FPUS55 KRIW 180904 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 302 AM MDT Sat Apr 18 2026 WYZ020-181015- Natrona County Lower Elevations- Including the city of Casper 302 AM MDT Sat Apr 18 2026 ...FREEZE WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT SATURDAY... .REST OF TONIGHT...Mostly clear. Cold with lows 15 to 19. West winds around 10 mph. .SATURDAY...Sunny, breezy with highs around 50. West winds 15 to 20 mph with gusts up to 35 mph. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. West winds 10 to 15 mph, becoming southwest after midnight. .SUNDAY...Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. Southwest winds around 10 mph. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Mostly sunny. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Windy with highs in the lower 70s. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of showers. Windy with lows in the upper 30s. .THURSDAY...Partly cloudy with a chance of rain and snow showers in the morning, then mostly cloudy with showers, snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy, cooler with highs in the mid 50s. Chance of precipitation 60 percent. .THURSDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Little or no snow accumulation. Breezy with lows in the mid 20s. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs around 50. $$ WYZ017-181015- Wind River Basin- Including the cities of Riverton and Shoshoni 302 AM MDT Sat Apr 18 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY... .REST OF TONIGHT...Mostly clear. Lows in the lower 20s. West winds around 10 mph. .SATURDAY...Sunny. Highs in the mid 50s. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 20s. West winds 10 to 15 mph with gusts up to 30 mph, becoming southwest with gusts up to 20 mph after midnight. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 10 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. Southwest winds around 10 mph. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. A slight chance of. Windy with highs in the lower 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of rain showers. A chance of snow showers after midnight. Breezy with lows in the upper 30s. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy with a chance of rain and snow showers in the morning, then mostly cloudy with rain and snow showers likely in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 50s. Chance of precipitation 60 percent. .THURSDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Breezy with lows in the upper 20s. Chance of precipitation 40 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs around 50. $$ WYZ018-181015- Lander Foothills- Including the city of Lander 302 AM MDT Sat Apr 18 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY... .REST OF TONIGHT...Clear, cold. Near steady temperature in the lower 20s. .SATURDAY...Mostly sunny. Highs in the mid 50s. Southeast winds 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows around 30. West winds 10 to 15 mph, becoming southwest after midnight. .SUNDAY...Mostly sunny. Highs in the upper 60s. North winds around 10 mph in the afternoon. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. Southwest winds around 10 mph. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. A chance of showers in the afternoon. Windy with highs in the upper 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of snow showers after midnight. Breezy with lows in the upper 30s. Chance of precipitation 30 percent. .THURSDAY...Mostly cloudy. A chance of rain and snow showers in the morning, then showers, snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 50s. Chance of precipitation 60 percent. .THURSDAY NIGHT...A chance of rain showers in the evening. Cloudy with a chance of snow showers. Light snow accumulation possible. Lows in the upper 20s. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs around 50. $$ WYZ028-181015- Rock Springs and Green River- Including the cities of Rock Springs and Green River 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly clear and cold. Near steady temperature around 20. Southwest winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the lower 50s. West winds around 10 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 20s. South winds around 10 mph in the evening. .SUNDAY...Sunny. Highs in the mid 60s. Southwest winds around 10 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 30s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .WEDNESDAY...Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain and snow showers. Breezy with lows in the lower 30s. Chance of precipitation 20 percent. .THURSDAY...Partly cloudy in the morning, then becoming mostly cloudy. A chance of snow showers. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs around 50. Chance of precipitation 30 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of snow showers with a slight chance of rain showers in the evening, then partly cloudy with a slight chance of snow showers after midnight. Breezy with lows in the upper 20s. Chance of precipitation 30 percent. .FRIDAY...Partly cloudy with a slight chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs around 50. Chance of snow 20 percent. $$ WYZ013-181015- Jackson Hole- Including the city of Jackson 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly clear. Patchy fog. Cold with lows 13 to 17. .SATURDAY...Mostly sunny. Highs in the upper 40s. Southwest winds around 10 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 20. Southwest winds around 10 mph in the evening. .SUNDAY...Sunny. Highs in the upper 50s. .SUNDAY NIGHT...Partly cloudy. Lows around 30. .MONDAY...Mostly sunny. Highs in the mid 60s. .MONDAY NIGHT...Mostly clear. Lows in the mid 30s. .TUESDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. .TUESDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows in the upper 30s. .WEDNESDAY...Mostly sunny with a chance of rain showers in the morning, then partly cloudy with rain showers, snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the lower 50s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...A slight chance of thunderstorms in the evening. Rain and snow showers likely. Light snow accumulation possible. Lows around 30. Chance of precipitation 70 percent. .THURSDAY...Snow showers. Rain showers with a slight chance of thunderstorms in the afternoon. New little or no snow accumulation. Highs in the mid 40s. Chance of precipitation 80 percent. .THURSDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Little or no snow accumulation. Lows in the mid 20s. Chance of precipitation 50 percent. .FRIDAY...Partly cloudy with a chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 40s. Chance of snow 40 percent. $$ WYZ003-181015- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 302 AM MDT Sat Apr 18 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY... .REST OF TONIGHT...Mostly clear. Near steady temperature in the mid 20s. West winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY...Sunny, breezy with highs in the mid 50s. West winds 15 to 20 mph, becoming northwest in the afternoon. Gusts up to 35 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows around 30. West winds 15 to 20 mph. Gusts up to 35 mph in the evening. .SUNDAY...Mostly sunny. Highs in the lower 60s. Southwest winds around 10 mph with gusts up to 20 mph, becoming southeast with gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 40. Southwest winds 10 to 15 mph with gusts up to 30 mph. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the upper 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers in the evening, then mostly cloudy with rain showers likely with a chance of snow showers after midnight. Little or no snow accumulation. Breezy with lows in the upper 30s. Chance of precipitation 60 percent. .THURSDAY...Rain and snow showers likely. A slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Windy, cooler with highs in the upper 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of snow showers. Breezy with lows in the mid 20s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 40s. Chance of snow 30 percent. $$ WYZ004-181015- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 302 AM MDT Sat Apr 18 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY... .REST OF TONIGHT...Partly cloudy. Lows in the mid 20s. West winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the mid 50s. South winds around 10 mph, becoming east in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows around 30. Southeast winds around 10 mph. Gusts up to 25 mph in the evening. .SUNDAY...Sunny. Highs in the upper 60s. Southeast winds 10 to 15 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. Southeast winds 10 to 15 mph with gusts up to 25 mph in the evening. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers in the afternoon. Breezy with highs in the mid 70s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly cloudy with showers likely after midnight. Breezy with lows in the upper 30s. Chance of rain 60 percent. .THURSDAY...Rain and snow showers. Little or no snow accumulation. Windy and much cooler with highs in the lower 50s. Chance of precipitation 80 percent. .THURSDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Windy with lows in the upper 20s. Chance of precipitation 40 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs around 50. $$ WYZ006-181015- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 302 AM MDT Sat Apr 18 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY... .REST OF TONIGHT...Partly cloudy. Patchy fog. Lows in the mid 20s. .SATURDAY...Mostly sunny. Highs in the mid 50s. Southwest winds around 10 mph, becoming west in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. East winds around 10 mph, becoming southeast after midnight. .SUNDAY...Sunny. Highs in the mid 60s. East winds around 10 mph with gusts up to 20 mph in the afternoon. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. Southeast winds around 10 mph with gusts up to 20 mph, becoming south after midnight. .MONDAY...Mostly sunny. Highs in the mid 70s. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. .TUESDAY...Mostly sunny. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Mostly sunny. A slight chance of. Breezy with highs in the mid 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of showers. Breezy with lows in the upper 30s. .THURSDAY...Showers likely. Snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Windy, cooler with highs in the lower 50s. Chance of precipitation 70 percent. .THURSDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Little or no snow accumulation. Breezy with lows in the upper 20s. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs around 50. $$ WYZ005-181015- Southwest Bighorn Basin- Including the city of Thermopolis 302 AM MDT Sat Apr 18 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT SATURDAY... .REST OF TONIGHT...Mostly clear. Near steady temperature in the mid 20s. .SATURDAY...Sunny. Highs in the mid 50s. South winds around 10 mph, becoming east with gusts up to 20 mph in the afternoon. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. Northeast winds around 10 mph with gusts up to 20 mph, becoming southwest after midnight. .SUNDAY...Sunny. Highs in the mid 60s. East winds around 10 mph with gusts up to 20 mph in the afternoon. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. Southeast winds around 10 mph with gusts up to 20 mph, becoming southwest after midnight. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the mid 70s. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. A slight chance of showers in the afternoon. Windy with highs in the lower 70s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of showers. Breezy with lows around 40. .THURSDAY...Mostly cloudy with rain and snow showers likely. Little or no snow accumulation. Windy, cooler with highs in the lower 50s. Chance of precipitation 70 percent. .THURSDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Little or no snow accumulation. Breezy with lows in the upper 20s. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs around 50. $$ WYZ023-181015- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Clear. Patchy fog. Cold with lows 15 to 19. .SATURDAY...Sunny in the morning, then becoming partly cloudy. Patchy fog in the morning. Highs around 50. .SATURDAY NIGHT...Mostly cloudy in the evening, then clearing. Lows in the mid 20s. .SUNDAY...Mostly sunny. Highs in the lower 60s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 30s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Partly cloudy. Highs around 70. .TUESDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows around 40. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny with a chance of showers in the morning, then partly cloudy with showers, snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the mid 50s. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...A slight chance of thunderstorms in the evening. Rain and snow showers likely. Little or no snow accumulation. Lows in the lower 30s. Chance of precipitation 60 percent. .THURSDAY...Snow showers. Rain showers likely in the morning, then rain showers with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the mid 40s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Lows in the upper 20s. Chance of precipitation 40 percent. .FRIDAY...Partly cloudy with a chance of snow showers. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs around 50. Chance of precipitation 40 percent. $$ WYZ025-181015- Upper Green River Basin Foothills- Including the city of Pinedale 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly clear. Patchy fog. Cold. Near steady temperature around 15. .SATURDAY...Mostly sunny. Highs around 50. Northwest winds around 10 mph. .SATURDAY NIGHT...Mostly cloudy in the evening, then clearing. Lows around 20. Northwest winds around 10 mph in the evening. .SUNDAY...Sunny. Highs around 60. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 30. .MONDAY...Mostly sunny. Highs in the mid 60s. .MONDAY NIGHT...Mostly clear. Lows in the mid 30s. .TUESDAY...Partly cloudy. Highs in the upper 60s. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 30s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. A chance of showers. A chance of snow showers in the morning, then snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 50s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Little or no snow accumulation. Breezy with lows in the upper 20s. Chance of precipitation 50 percent. .THURSDAY...Mostly cloudy with snow showers likely. A slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 40s. Chance of snow 70 percent. .THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of snow showers. Lows in the lower 20s. .FRIDAY...Partly cloudy with a chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 40s. Chance of snow 40 percent. $$ WYZ026-181015- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Clear, cold. Near steady temperature around 16. .SATURDAY...Mostly sunny. Highs around 50. West winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 20. West winds around 10 mph with gusts up to 20 mph in the evening. .SUNDAY...Sunny. Highs in the lower 60s. Southwest winds around 10 mph in the afternoon. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 30. West winds around 10 mph in the evening. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the mid 30s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 70. .TUESDAY NIGHT...Partly cloudy. Lows around 40. .WEDNESDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers, snow showers with a slight chance of thunderstorms in the afternoon. Windy with highs in the upper 50s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain and snow showers in the evening, then mostly cloudy with a chance of snow showers after midnight. Breezy with lows in the upper 20s. Chance of precipitation 30 percent. .THURSDAY...Mostly cloudy with a chance of snow showers. A slight chance of thunderstorms in the afternoon. Breezy with highs around 50. Chance of snow 30 percent. .THURSDAY NIGHT...Mostly cloudy. A chance of snow showers with a slight chance of rain showers in the evening, then a slight chance of snow showers after midnight. Lows in the lower 20s. Chance of precipitation 30 percent. .FRIDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs around 50. Chance of snow 30 percent. $$ WYZ010-181015- Northeast Johnson County- Including the city of Buffalo 302 AM MDT Sat Apr 18 2026 ...FREEZE WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT SATURDAY... .REST OF TONIGHT...Partly cloudy. Lows in the lower 20s. West winds around 10 mph. .SATURDAY...Mostly sunny. Highs around 50. Northwest winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY NIGHT...Mostly clear. Lows around 30. Southwest winds 10 to 15 mph. .SUNDAY...Mostly sunny. Highs in the lower 60s. Southeast winds around 10 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. South winds around 10 mph. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. .TUESDAY...Mostly sunny. Highs around 80. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the mid 70s. .WEDNESDAY NIGHT...Partly cloudy with a 40 percent chance of showers. Breezy with lows around 40. .THURSDAY...Rain and snow showers. Little or no snow accumulation. Windy and much cooler with highs around 50. Chance of precipitation 80 percent. .THURSDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Windy with lows in the upper 20s. Chance of precipitation 40 percent. .FRIDAY...Mostly cloudy with a chance of snow showers in the morning, then partly cloudy with a slight chance of snow showers in the afternoon. Breezy with highs in the upper 40s. Chance of snow 30 percent. $$ WYZ011-181015- Southeast Johnson County- Including the city of Kaycee 302 AM MDT Sat Apr 18 2026 ...FREEZE WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT SATURDAY... .REST OF TONIGHT...Partly cloudy. Cold with lows around 20. West winds around 10 mph. .SATURDAY...Mostly sunny and breezy. Highs in the upper 40s. West winds 10 to 15 mph, becoming northwest 15 to 20 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the mid 20s. Northwest winds 10 to 15 mph with gusts up to 30 mph, becoming southwest after midnight. .SUNDAY...Mostly sunny. Highs in the lower 60s. Southwest winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. Southwest winds around 10 mph. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. .TUESDAY...Mostly sunny. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy in the morning, then clearing. Windy with highs in the mid 70s. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of showers. Breezy with lows in the lower 40s. .THURSDAY...Partly cloudy with a chance of showers in the morning, then mostly cloudy with showers, snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy, cooler with highs in the mid 50s. Chance of precipitation 60 percent. .THURSDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Breezy with lows in the mid 20s. Chance of precipitation 40 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs in the upper 40s. $$ WYZ027-181015- South Lincoln County- Including the cities of Kemmerer and Cokeville 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Clear, cold. Near steady temperature around 19. Southwest winds around 10 mph. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 50. West winds around 10 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 20s. Northwest winds around 10 mph in the evening. .SUNDAY...Sunny. Highs in the lower 60s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 30s. West winds around 10 mph in the evening. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the upper 30s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 70. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. A chance of showers. A chance of snow showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 50s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...A chance of rain showers in the evening. Partly cloudy with a chance of snow showers. Breezy with lows around 30. Chance of precipitation 30 percent. .THURSDAY...Mostly cloudy with a chance of snow showers. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the upper 40s. Chance of precipitation 40 percent. .THURSDAY NIGHT...A slight chance of rain showers in the evening. Partly cloudy with a slight chance of snow showers. Lows in the mid 20s. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs around 50. Chance of snow 30 percent. $$ WYZ016-181015- Upper Wind River Basin- Including the city of Dubois 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Clear, breezy, cold. Near steady temperature in the lower 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .SATURDAY...Sunny, breezy with highs around 50. Northwest winds 15 to 20 mph with gusts up to 35 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows in the upper 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY...Sunny. Highs around 60. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. West winds 10 to 15 mph. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the mid 60s. .MONDAY NIGHT...Mostly clear and breezy. Lows around 40. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 60s. .TUESDAY NIGHT...Partly cloudy. A chance of showers in the evening. Lows around 40. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. A chance of showers, snow showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the upper 50s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Snow showers likely. Rain showers likely, mainly in the evening. Little or no snow accumulation. Breezy with lows in the mid 30s. Chance of precipitation 70 percent. .THURSDAY...Mostly cloudy. Snow showers likely with a chance of rain showers in the morning, then snow showers with possible rain showers and thunderstorms likely in the afternoon. Little or no snow accumulation. Breezy with highs in the upper 40s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy. Snow showers likely with a chance of rain showers in the evening, then a chance of snow showers after midnight. Light snow accumulation possible. Lows in the mid 20s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 40s. Chance of snow 40 percent. $$ WYZ001-181015- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Partly cloudy. Patchy fog. Cold with lows 7 to 13 above. Southwest winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the upper 30s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 14 to 20. South winds 10 to 15 mph. .SUNDAY...Sunny. Highs in the upper 40s. Southwest winds around 10 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 20s. South winds around 10 mph with gusts up to 20 mph in the evening. .MONDAY...Mostly sunny. Highs in the mid 50s. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. .TUESDAY...Mostly sunny. Highs in the upper 50s. .TUESDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows in the lower 30s. .WEDNESDAY...Mostly sunny with a chance of rain and snow showers in the morning, then partly cloudy with snow showers, rain showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the mid 40s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Rain showers in the evening. Snow showers. Light snow accumulation. Lows in the upper 20s. Chance of precipitation 80 percent. .THURSDAY...Snow showers. A slight chance of thunderstorms in the afternoon. New light snow accumulation. Highs in the upper 30s. Chance of snow 90 percent. .THURSDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. New light snow accumulation possible. Cold with lows 16 to 22. Chance of snow 60 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 40 percent chance of snow showers. Highs in the upper 30s. $$ WYZ029-181015- Flaming Gorge- 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly clear and cold. Near steady temperature in the lower 20s. West winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the lower 50s. West winds around 10 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. Southeast winds around 10 mph with gusts up to 20 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 10 mph. Gusts up to 25 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 30s. South winds around 10 mph. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows in the lower 40s. .WEDNESDAY...Mostly sunny. A slight chance of showers, thunderstorms and snow showers in the afternoon. Windy with highs in the lower 60s. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the mid 30s. .THURSDAY...Partly cloudy with a slight chance of snow showers in the morning, then mostly cloudy with a chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Breezy with highs around 50. Chance of precipitation 30 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of rain showers in the evening. A slight chance of snow showers. Breezy with lows in the upper 20s. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. A chance of snow showers, a slight chance of thunderstorms and rain showers in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. $$ WYZ022-181015- Casper Mountain- 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Partly cloudy and cold. Near steady temperature around 19. West winds 10 to 15 mph. .SATURDAY...Mostly sunny and breezy. Highs in the lower 40s. West winds 15 to 25 mph with gusts up to 35 mph. .SATURDAY NIGHT...Mostly clear and breezy. Lows in the upper 20s. West winds 15 to 20 mph, becoming south 10 to 15 mph after midnight. .SUNDAY...Mostly sunny. Highs in the upper 50s. Southwest winds 10 to 15 mph, becoming west in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. South winds around 10 mph with gusts up to 20 mph. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the mid 60s. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 60s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .WEDNESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers in the afternoon. Breezy with highs in the mid 60s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain and snow showers in the evening, then a chance of snow and rain showers after midnight. Breezy with lows in the mid 30s. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy with a chance of snow and rain showers in the morning, then mostly cloudy with snow showers, rain showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the upper 40s. Chance of precipitation 60 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of snow showers. Light snow accumulation possible. Breezy with lows in the mid 20s. .FRIDAY...Mostly cloudy with a 40 percent chance of snow showers. Highs in the lower 40s. $$ WYZ002-181015- Absaroka Mountains- 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly clear and breezy, cold with lows 7 to 17 above. West winds 15 to 20 mph with gusts up to 30 mph. .SATURDAY...Sunny, breezy with highs in the mid 30s. West winds 15 to 20 mph with gusts up to 35 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows in the lower 20s. West winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Sunny. Highs in the mid 40s. West winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the upper 20s. West winds 15 to 20 mph with gusts up to 30 mph. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the lower 50s. .MONDAY NIGHT...Mostly clear and breezy. Lows in the lower 30s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the mid 50s. .TUESDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of snow showers in the evening. Lows in the mid 30s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly sunny with a slight chance of snow showers in the morning, then partly cloudy with snow showers likely with possible rain showers and thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 40s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Rain showers likely in the evening. Snow showers likely. Light snow accumulation possible. Windy with lows in the upper 20s. Chance of precipitation 70 percent. .THURSDAY...Snow showers. A slight chance of thunderstorms in the afternoon. New moderate snow accumulation. Breezy with highs in the mid 30s. Chance of snow 80 percent. .THURSDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. New light snow accumulation possible. Breezy, cold with lows 14 to 22. Chance of snow 60 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A slight chance of thunderstorms in the afternoon. New little or no snow accumulation. Breezy with highs in the lower 30s. Chance of snow 50 percent. $$ WYZ007-181015- Owl Creek and Bridger Mountains- 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly clear. Near steady temperature in the lower 20s. West winds around 10 mph. .SATURDAY...Sunny. Highs around 50. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 30. North winds 10 to 15 mph with gusts up to 25 mph, becoming southwest after midnight. .SUNDAY...Sunny. Highs in the upper 50s. Southwest winds around 10 mph, becoming south with gusts up to 25 mph in the afternoon. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. South winds 10 to 15 mph, becoming southwest after midnight. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy and breezy. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. A chance of showers in the afternoon. Windy with highs in the mid 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of rain and snow showers. Windy with lows in the upper 30s. Chance of precipitation 40 percent. .THURSDAY...Mostly cloudy with snow and rain showers likely. A slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Windy, cooler with highs in the mid 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. Light snow accumulation possible. Windy with lows in the mid 20s. Chance of snow 60 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs in the lower 40s. $$ WYZ008-181015- Bighorn Mountains West- 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly cloudy with isolated snow showers. Cold. Near steady temperature around 18. West winds 10 to 15 mph with gusts up to 30 mph. Chance of snow 20 percent. .SATURDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the upper 30s. West winds 15 to 20 mph with gusts up to 35 mph. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. Northwest winds 10 to 15 mph with gusts up to 30 mph, becoming southeast after midnight. .SUNDAY...Sunny. Highs in the lower 50s. Southwest winds around 10 mph with gusts up to 25 mph. .SUNDAY NIGHT...Clear in the evening, then becoming partly cloudy. Lows in the upper 30s. Southwest winds around 10 mph with gusts up to 20 mph. .MONDAY...Partly cloudy in the morning, then clearing. Highs around 60. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 60s. .TUESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 40s. .WEDNESDAY...Partly cloudy in the morning, then mostly sunny with a chance of rain and snow showers in the afternoon. Windy with highs around 60. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Snow showers likely. A chance of rain showers in the evening, then rain showers likely after midnight. Light snow accumulation possible. Breezy with lows in the mid 30s. Chance of precipitation 70 percent. .THURSDAY...Snow and rain showers. A slight chance of thunderstorms in the afternoon. New light snow accumulation. Breezy, cooler with highs in the lower 40s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. New light snow accumulation possible. Breezy with lows in the lower 20s. Chance of snow 60 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 40 percent chance of snow showers. Highs in the upper 30s. $$ WYZ009-181015- Bighorn Mountains Southeast- 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Partly cloudy with scattered snow showers. Breezy, cold. Near steady temperature around 18. West winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 30 percent. .SATURDAY...Mostly sunny and breezy. Highs in the upper 30s. West winds 20 to 25 mph with gusts up to 40 mph. .SATURDAY NIGHT...Mostly clear and breezy. Lows in the upper 20s. West winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Mostly sunny. Highs in the lower 50s. West winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT...Clear in the evening, then becoming partly cloudy. Breezy with lows in the mid 30s. West winds 15 to 20 mph with gusts up to 30 mph. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the lower 60s. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Mostly sunny and breezy. Highs in the mid 60s. .TUESDAY NIGHT...Partly cloudy and breezy. Lows in the upper 40s. .WEDNESDAY...Partly cloudy in the morning, then mostly sunny with a chance of rain and snow showers in the afternoon. Windy with highs in the lower 60s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers. A chance of snow showers in the evening, then snow showers likely after midnight. Light snow accumulation possible. Windy with lows in the mid 30s. Chance of precipitation 60 percent. .THURSDAY...Snow showers. A chance of rain showers in the morning, then rain showers likely with a slight chance of thunderstorms in the afternoon. New light snow accumulation. Windy, cooler with highs in the lower 40s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. New light snow accumulation possible. Breezy with lows in the lower 20s. Chance of snow 60 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 40 percent chance of snow showers. Breezy with highs in the upper 30s. $$ WYZ012-181015- Teton and Gros Ventre Mountains- 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly clear. Patchy fog. Cold with lows 8 to 14 above. West winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the upper 30s. West winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows around 20. Southwest winds around 10 mph with gusts up to 25 mph, becoming southeast after midnight. .SUNDAY...Sunny. Highs in the upper 40s. South winds around 10 mph, becoming southwest in the afternoon. Gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. Southwest winds around 10 mph, becoming southeast after midnight. .MONDAY...Mostly sunny. Highs in the mid 50s. .MONDAY NIGHT...Mostly clear. Lows in the lower 30s. .TUESDAY...Partly cloudy. Highs in the upper 50s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of rain showers. A chance of snow showers after midnight. Lows in the mid 30s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly sunny with a chance of snow and rain showers in the morning, then partly cloudy with snow showers, rain showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 40s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Rain showers likely with a slight chance of thunderstorms in the evening. Snow showers. Light snow accumulation. Breezy with lows in the upper 20s. Chance of precipitation 80 percent. .THURSDAY...Snow showers. A slight chance of thunderstorms in the afternoon. New light snow accumulation. Highs in the mid 30s. Chance of snow 80 percent. .THURSDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. New light snow accumulation possible. Lows in the lower 20s. Chance of snow 60 percent. .FRIDAY...Partly cloudy with a chance of snow showers. A slight chance of thunderstorms in the afternoon. New little or no snow accumulation. Highs in the upper 30s. Chance of snow 50 percent. $$ WYZ014-181015- Wind River Mountains West- 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly clear and cold. Near steady temperature around 10 above. Northwest winds around 10 mph with gusts up to 20 mph. .SATURDAY...Sunny, breezy with highs in the upper 30s. West winds 15 to 20 mph with gusts up to 35 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows around 20. West winds 10 to 15 mph, becoming southwest after midnight. .SUNDAY...Mostly sunny. Highs in the upper 40s. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. West winds around 10 mph. Gusts up to 25 mph in the evening. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the mid 50s. .MONDAY NIGHT...Mostly clear. Lows in the lower 30s. .TUESDAY...Partly cloudy. Highs in the upper 50s. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers in the evening, then partly cloudy after midnight. Lows in the mid 30s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly sunny with a chance of snow showers in the morning, then partly cloudy with snow showers likely with possible rain showers and thunderstorms in the afternoon. Little or no snow accumulation. Windy with highs in the mid 40s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Mostly cloudy with snow showers likely. Light snow accumulation possible. Breezy with lows in the mid 20s. Chance of snow 60 percent. .THURSDAY...Snow showers likely in the morning, then snow showers with a slight chance of thunderstorms in the afternoon. New light snow accumulation. Breezy with highs in the mid 30s. Chance of snow 80 percent. .THURSDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. New light snow accumulation possible. Cold with lows around 20. Chance of snow 60 percent. .FRIDAY...Mostly cloudy with a chance of snow showers in the morning, then partly cloudy with snow showers likely with a slight chance of thunderstorms in the afternoon. New little or no snow accumulation. Highs in the mid 30s. Chance of snow 60 percent. $$ WYZ015-181015- Wind River Mountains East- 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly clear and breezy, cold. Near steady temperature around 12. West winds 15 to 20 mph with gusts up to 30 mph. .SATURDAY...Sunny, breezy with highs in the upper 30s. West winds 15 to 20 mph with gusts up to 35 mph. .SATURDAY NIGHT...Partly cloudy and breezy. Lows in the lower 20s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Mostly sunny. Highs in the upper 40s. West winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 30. West winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the lower 50s. .MONDAY NIGHT...Mostly clear and breezy. Lows in the mid 30s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Breezy with highs in the mid 50s. .TUESDAY NIGHT...Partly cloudy. A chance of rain and snow showers in the evening. Breezy with lows in the mid 30s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly sunny. A chance of snow showers in the morning, then snow showers likely with possible rain showers and thunderstorms in the afternoon. Little or no snow accumulation. Windy with highs in the mid 40s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...A chance of rain showers in the evening. Snow showers likely. Light snow accumulation possible. Windy with lows in the mid 20s. Chance of precipitation 70 percent. .THURSDAY...Snow showers in the morning, then snow showers with a slight chance of thunderstorms in the afternoon. New light snow accumulation. Breezy with highs in the mid 30s. Chance of snow 80 percent. .THURSDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. New moderate snow accumulation possible. Breezy, cold with lows around 20. Chance of snow 60 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Snow showers likely. A slight chance of thunderstorms in the afternoon. New light snow accumulation possible. Breezy with highs in the mid 30s. Chance of snow 60 percent. $$ WYZ019-181015- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 302 AM MDT Sat Apr 18 2026 ...FREEZE WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT SATURDAY... .REST OF TONIGHT...Mostly clear and cold. Near steady temperature around 20. West winds 10 to 15 mph. .SATURDAY...Sunny, breezy with highs in the upper 40s. West winds 15 to 20 mph. Gusts up to 35 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy and breezy. Lows in the upper 20s. Southwest winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY...Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. A chance of showers in the afternoon. Windy with highs in the mid 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain and snow showers. Windy with lows in the mid 30s. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy with a chance of snow and rain showers in the morning, then mostly cloudy with snow showers, rain showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs around 50. Chance of precipitation 60 percent. .THURSDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. Light snow accumulation possible. Breezy with lows in the mid 20s. Chance of snow 60 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs in the mid 40s. $$ WYZ024-181015- Salt River and Wyoming Ranges- 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly clear and cold. Near steady temperature around 15. West winds around 10 mph with gusts up to 20 mph. .SATURDAY...Sunny in the morning, then becoming partly cloudy. Highs in the lower 40s. West winds around 10 mph. .SATURDAY NIGHT...Mostly cloudy in the evening, then clearing. Lows in the mid 20s. Southwest winds around 10 mph with gusts up to 20 mph, becoming south after midnight. .SUNDAY...Mostly sunny. Highs in the mid 50s. South winds around 10 mph, becoming southwest in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 30s. West winds around 10 mph with gusts up to 20 mph, becoming south after midnight. .MONDAY...Mostly sunny. Highs around 60. .MONDAY NIGHT...Mostly clear. Lows in the upper 30s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 60s. .TUESDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows in the upper 30s. .WEDNESDAY...Mostly sunny with a chance of snow and rain showers in the morning, then partly cloudy with snow showers, rain showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the upper 40s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Rain showers likely with a slight chance of thunderstorms in the evening. Mostly cloudy with snow showers likely. Light snow accumulation possible. Breezy with lows in the upper 20s. Chance of precipitation 70 percent. .THURSDAY...Snow showers. A slight chance of thunderstorms in the afternoon. New light snow accumulation. Breezy with highs in the upper 30s. Chance of snow 80 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A 30 percent chance of snow showers. Lows in the mid 20s. .FRIDAY...Partly cloudy with a chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 40s. Chance of snow 40 percent. $$ WYZ030-181015- East Sweetwater County- Including the city of Wamsutter 302 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Clear, cold. Near steady temperature around 20. West winds 10 to 15 mph. .SATURDAY...Mostly sunny. Highs around 50. West winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 20s. South winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY...Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. Southwest winds 10 to 15 mph. .MONDAY...Partly cloudy in the morning, then clearing. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy and breezy. Lows in the lower 40s. .WEDNESDAY...Mostly sunny. A slight chance of. Windy with highs in the mid 60s. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of. Breezy with lows in the lower 30s. .THURSDAY...Partly cloudy in the morning, then becoming mostly cloudy. A chance of snow showers. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs around 50. Chance of precipitation 40 percent. .THURSDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Breezy with lows in the mid 20s. Chance of precipitation 30 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs around 50. Chance of snow 30 percent. $$