FPUS55 KRIW 190648 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 1146 PM MST Wed Feb 18 2026 WYZ020-191100- Natrona County Lower Elevations- Including the city of Casper 1146 PM MST Wed Feb 18 2026 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Snow showers. Areas of blowing snow. Snow accumulation up to 4 inches. Breezy, colder with lows 2 below to 2 above zero. North winds 15 to 25 mph with gusts up to 35 mph. Chance of snow 90 percent. .THURSDAY...Cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Cold with highs 14 to 20. North winds around 10 mph, becoming northwest in the afternoon. Chance of snow 30 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows 2 below to 4 above zero. .FRIDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 20s. .FRIDAY NIGHT...Mostly cloudy in the evening, then clearing. Cold with lows 4 to 8 above. Southwest winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the lower 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 5 to 10 above. .SUNDAY...Partly cloudy. Highs around 40. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows around 20. .MONDAY...Partly cloudy and breezy. Highs around 50. .MONDAY NIGHT...Partly cloudy and breezy. Lows around 30. .TUESDAY...Mostly cloudy and windy. Highs in the lower 50s. .TUESDAY NIGHT...Mostly cloudy with a slight chance of rain and snow showers. Breezy with lows around 30. Chance of precipitation 20 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A chance of rain showers in the afternoon. Breezy with highs around 50. Chance of precipitation 30 percent. $$ WYZ017-191100- Wind River Basin- Including the cities of Riverton and Shoshoni 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Areas of blowing snow late this evening. Snow showers with visibility one quarter mile or less at times. Snow accumulation up to 2 inches. Blustery, cold with lows 2 to 6 above. Northeast winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 80 percent. .THURSDAY...Mostly cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Cooler with highs around 20. Northeast winds around 10 mph in the morning. Chance of snow 30 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows around 3 above. .FRIDAY...Partly cloudy. Highs in the upper 20s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 3 to 7 above. Southwest winds around 10 mph. .SATURDAY...Sunny. Highs in the lower 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows around 10 above. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. .SUNDAY NIGHT...Mostly clear. Cold with lows 14 to 20. .MONDAY...Partly cloudy. Highs in the upper 40s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 20s. .TUESDAY...Partly cloudy. A slight chance of. Breezy with highs in the lower 50s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of rain showers. A chance of snow showers after midnight. Breezy with lows around 30. Chance of precipitation 30 percent. .WEDNESDAY...Partly cloudy with a chance of snow showers. A chance of rain showers, mainly in the morning. Breezy with highs around 50. Chance of precipitation 30 percent. $$ WYZ018-191100- Lander Foothills- Including the city of Lander 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Snow showers late this evening, then snow showers likely after midnight. Snow may be heavy at times late this evening. Storm total snow accumulation of 2 to 4 inches. Colder with lows 2 to 6 above. Northeast winds around 10 mph. Chance of snow 80 percent. .THURSDAY...Mostly cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Highs in the lower 20s. Chance of snow 30 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows 2 to 6 above. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 20s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 4 to 8 above. Southwest winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 10 to 15. .SUNDAY...Partly cloudy in the morning, then clearing. Highs around 40. .SUNDAY NIGHT...Mostly clear. Cold with lows around 20. .MONDAY...Partly cloudy. Highs around 50. .MONDAY NIGHT...Partly cloudy. Lows in the upper 20s. .TUESDAY...Partly cloudy. A chance of rain showers in the afternoon. Breezy with highs in the lower 50s. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain showers. A chance of snow showers after midnight. Lows around 30. Chance of precipitation 30 percent. .WEDNESDAY...Partly cloudy with a chance of snow and rain showers. Highs around 50. Chance of precipitation 30 percent. $$ WYZ028-191100- Rock Springs and Green River- Including the cities of Rock Springs and Green River 1146 PM MST Wed Feb 18 2026 .TONIGHT...Partly cloudy. Patchy blowing snow. Breezy, cold with lows 10 to 14. West winds 20 to 25 mph with gusts up to 35 mph. .THURSDAY...Partly cloudy. Highs in the mid 20s. West winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Cold with lows around 10 above. Southeast winds around 10 mph in the evening. .FRIDAY...Mostly cloudy in the morning, then partly cloudy with a chance of snow showers in the afternoon. Breezy with highs around 30. North winds around 10 mph, becoming west 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of snow 30 percent. .FRIDAY NIGHT...Mostly clear. Cold with lows 5 to 9 above. West winds 10 to 15 mph. Gusts up to 30 mph in the evening. .SATURDAY...Sunny. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 10 to 15. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 40. .SUNDAY NIGHT...Mostly clear. Cold with lows 15 to 20. .MONDAY...Partly cloudy. Highs in the upper 40s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 20s. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 50. .TUESDAY NIGHT...Mostly cloudy. A slight chance of rain showers in the evening, then a chance of rain and snow showers after midnight. Lows in the upper 20s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy with a chance of snow and rain showers. Breezy with highs in the upper 40s. Chance of precipitation 30 percent. $$ WYZ013-191100- Jackson Hole- Including the city of Jackson 1146 PM MST Wed Feb 18 2026 .TONIGHT...Mostly cloudy with a 40 percent chance of snow showers. Cold with lows 3 to 7 above. Southwest winds around 10 mph. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs around 20. Southwest winds around 10 mph. .THURSDAY NIGHT...Partly cloudy. Cold with lows 4 below to zero. .FRIDAY...Partly cloudy. A chance of snow showers in the afternoon. Highs in the mid 20s. West winds 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of snow 30 percent. .FRIDAY NIGHT...Mostly cloudy. A chance of snow showers in the evening. Cold with lows 1 to 5 above. Southwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of snow 30 percent. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 30. .SATURDAY NIGHT...Partly cloudy. Cold with lows 5 to 10 above. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. .SUNDAY NIGHT...Clear, cold with lows 10 to 15. .MONDAY...Partly cloudy. Highs in the lower 40s. .MONDAY NIGHT...Partly cloudy. A chance of snow showers after midnight. Lows around 20. Chance of snow 30 percent. .TUESDAY...Snow showers likely in the morning, then snow and rain showers in the afternoon. Light snow accumulation. Highs in the upper 30s. Chance of precipitation 80 percent. .TUESDAY NIGHT...Rain showers in the evening. Snow showers. New moderate snow accumulation. Lows in the mid 20s. Chance of precipitation 80 percent. .WEDNESDAY...Snow showers. New moderate snow accumulation. Highs in the mid 30s. Chance of snow 80 percent. $$ WYZ003-191100- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Cloudy with a 40 percent chance of snow showers. Blowing snow. Visibility one quarter mile or less at times. Windy, colder with lows 2 below to 2 above zero. North winds 20 to 30 mph with gusts up to 45 mph. Wind chill readings wind chill readings as low as 23 below. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. Cold with highs 15 to 21. Northeast winds around 10 mph, becoming east in the afternoon. .THURSDAY NIGHT...Partly cloudy. Cold with lows around 10 above. .FRIDAY...Partly cloudy. Highs in the upper 20s. East winds around 10 mph with gusts up to 20 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 10 to 16. Southwest winds around 10 mph with gusts up to 25 mph. .SATURDAY...Mostly sunny. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 15 to 20. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 20s. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 50s. .MONDAY NIGHT...Partly cloudy and breezy. Lows in the lower 30s. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A slight chance of rain showers in the morning, then a chance of rain showers in the afternoon. Breezy with highs around 50. Chance of precipitation 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Breezy with lows around 30. Chance of precipitation 30 percent. .WEDNESDAY...Partly cloudy with a 30 percent chance of snow showers. Breezy with highs in the upper 40s. $$ WYZ004-191100- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Cloudy with snow showers. Blowing snow. Visibility one quarter mile or less at times. Snow accumulation up to 2 inches. Windy, colder with lows 1 to 5 above. Northwest winds 20 to 30 mph with gusts up to 45 mph. Chance of snow 80 percent. .THURSDAY...Cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Cold with highs around 20. Northwest winds 10 to 15 mph in the morning. Chance of snow 30 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows 1 to 7 above. .FRIDAY...Partly cloudy. Highs around 30. Southeast winds around 10 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 6 to 12 above. .SATURDAY...Mostly sunny. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 10 to 15. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. .SUNDAY NIGHT...Mostly clear. Cold with lows 16 to 22. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 50. .MONDAY NIGHT...Partly cloudy. Lows in the upper 20s. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 50s. .TUESDAY NIGHT...Partly cloudy with a chance of rain showers. A chance of snow showers after midnight. Lows in the upper 20s. Chance of precipitation 30 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of snow and rain showers. Highs around 50. Chance of precipitation 20 percent. $$ WYZ006-191100- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Areas of blowing snow late this evening. Snow showers with visibility one quarter mile or less at times. Snow accumulation up to 3 inches. Blustery, colder with lows 2 to 6 above. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 80 percent. .THURSDAY...Cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Colder with highs around 19. West winds around 10 mph in the morning. Chance of snow 30 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows zero to 6 above zero. .FRIDAY...Partly cloudy. Highs in the upper 20s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 2 to 10 above. .SATURDAY...Mostly sunny. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 10 to 15. .SUNDAY...Partly cloudy in the morning, then clearing. Highs around 40. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 14 to 22. .MONDAY...Partly cloudy. Highs around 50. .MONDAY NIGHT...Partly cloudy. Lows in the upper 20s. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 50s. .TUESDAY NIGHT...Partly cloudy with a chance of rain showers in the evening, then mostly cloudy with a slight chance of rain and snow showers after midnight. Lows in the upper 20s. Chance of precipitation 30 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of rain showers. A slight chance of snow showers in the morning, then a chance of snow showers in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. $$ WYZ005-191100- Southwest Bighorn Basin- Including the city of Thermopolis 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Blowing snow late this evening. Snow showers with visibility one quarter mile or less at times. Snow accumulation of 1 to 3 inches. Blustery, colder with lows around 1 above. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 90 percent. .THURSDAY...Cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Colder with highs around 18. North winds around 10 mph in the morning. Chance of snow 30 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows 1 to 7 above. .FRIDAY...Partly cloudy. Highs around 30. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 4 to 10 above. .SATURDAY...Sunny. Highs in the lower 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 10 to 15. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. .SUNDAY NIGHT...Mostly clear. Cold with lows 16 to 22. .MONDAY...Partly cloudy. Highs around 50. .MONDAY NIGHT...Partly cloudy. Lows in the upper 20s. .TUESDAY...Mostly cloudy in the morning, then partly cloudy with a slight chance of rain showers in the afternoon. Highs in the mid 50s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy with a chance of rain and snow showers. Lows in the upper 20s. Chance of precipitation 30 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A chance of snow showers. A chance of rain showers in the afternoon. Highs around 50. Chance of precipitation 30 percent. $$ WYZ023-191100- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 1146 PM MST Wed Feb 18 2026 .TONIGHT...Mostly cloudy with a 30 percent chance of snow showers. Cold with lows around 10 above. South winds around 10 mph. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs in the lower 20s. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Cold with lows 1 below to 3 above zero. .FRIDAY...Mostly cloudy. Snow showers likely in the afternoon. Little or no snow accumulation. Highs in the mid 20s. West winds around 10 mph in the afternoon. Chance of snow 60 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of snow showers in the evening, then partly cloudy after midnight. Cold with lows 2 to 6 above. Chance of snow 30 percent. .SATURDAY...Mostly sunny. Highs around 30. .SATURDAY NIGHT...Partly cloudy. Cold with lows 5 to 10 above. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 40. .SUNDAY NIGHT...Mostly clear. Cold with lows around 15. .MONDAY...Partly cloudy. Highs in the lower 40s. .MONDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of snow showers after midnight. Lows in the lower 20s. Chance of snow 20 percent. .TUESDAY...Snow showers likely in the morning, then snow and rain showers in the afternoon. Little or no snow accumulation. Highs in the upper 30s. Chance of precipitation 80 percent. .TUESDAY NIGHT...Snow and rain showers. Light snow accumulation. Lows in the mid 20s. Chance of precipitation 80 percent. .WEDNESDAY...Snow showers. New light snow accumulation. Highs in the mid 30s. Chance of snow 80 percent. $$ WYZ025-191100- Upper Green River Basin Foothills- Including the city of Pinedale 1146 PM MST Wed Feb 18 2026 .TONIGHT...Mostly cloudy. A chance of snow showers after midnight. Cold with lows 2 to 8 above. Northwest winds 10 to 15 mph. Chance of snow 30 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Cold with highs around 20. West winds around 10 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Cold with lows 1 below to 5 below zero. .FRIDAY...Partly cloudy. A chance of snow showers in the afternoon. Highs in the lower 20s. West winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of snow 40 percent. .FRIDAY NIGHT...Partly cloudy. Cold with lows 4 below to zero. Northwest winds around 10 mph with gusts up to 20 mph in the evening. .SATURDAY...Mostly sunny. Highs around 30. .SATURDAY NIGHT...Partly cloudy. Cold with lows zero to 5 above zero. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the mid 30s. .SUNDAY NIGHT...Clear, cold with lows around 10 above. .MONDAY...Partly cloudy in the morning, then clearing. Highs around 40. .MONDAY NIGHT...Partly cloudy. Cold with lows 15 to 20. .TUESDAY...Snow showers. Light snow accumulation. Highs around 40. Chance of snow 80 percent. .TUESDAY NIGHT...Mostly cloudy with snow showers. New light snow accumulation. Cold with lows around 20. Chance of snow 80 percent. .WEDNESDAY...Snow showers. New light snow accumulation. Highs in the mid 30s. Chance of snow 80 percent. $$ WYZ026-191100- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 1146 PM MST Wed Feb 18 2026 .TONIGHT...Mostly cloudy late this evening, then becoming partly cloudy. Breezy, cold with lows 5 to 9 above. West winds 15 to 20 mph with gusts up to 30 mph. .THURSDAY...Partly cloudy. Highs in the mid 20s. West winds 10 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Cold with lows 1 below to 5 above zero. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 20s. Northwest winds 10 to 15 mph with gusts up to 25 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Cold with lows 3 below to 3 above zero. West winds 10 to 15 mph in the evening. .SATURDAY...Sunny. Highs around 30. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 5 to 10 above. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. .SUNDAY NIGHT...Mostly clear. Cold with lows 10 to 15. .MONDAY...Partly cloudy. Highs in the lower 40s. .MONDAY NIGHT...Partly cloudy. Cold with lows 16 to 22. .TUESDAY...Mostly cloudy. A chance of snow showers in the afternoon. Highs in the mid 40s. Chance of snow 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of snow showers. A slight chance of rain showers in the evening, then a chance of rain showers after midnight. Lows in the mid 20s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy with a 30 percent chance of snow showers. Breezy with highs in the lower 40s. $$ WYZ010-191100- Northeast Johnson County- Including the city of Buffalo 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Snow showers. Patchy blowing snow. Snow accumulation up to 3 inches. Brisk, cold with lows around zero. North winds 15 to 20 mph with gusts up to 30 mph. Chance of snow 80 percent. .THURSDAY...Cloudy. Snow showers likely, mainly in the morning. Little or no new snow accumulation. Cold with highs around 14. North winds 10 to 15 mph. Chance of snow 60 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows 1 below to 3 above zero. .FRIDAY...Partly cloudy. Highs in the upper 20s. .FRIDAY NIGHT...Partly cloudy. Cold with lows 5 to 9 above. .SATURDAY...Mostly sunny. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear. Cold with lows 5 to 10 above. .SUNDAY...Partly cloudy. Highs in the mid 30s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows around 20. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Not as cool with highs in the mid 50s. .MONDAY NIGHT...Partly cloudy. Lows around 30. .TUESDAY...Mostly cloudy and breezy. Highs in the mid 50s. .TUESDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with a chance of snow showers. Lows in the upper 20s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy with a slight chance of snow showers in the morning, then partly cloudy with a chance of snow showers in the afternoon. Highs around 50. Chance of snow 30 percent. $$ WYZ011-191100- Southeast Johnson County- Including the city of Kaycee 1146 PM MST Wed Feb 18 2026 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Snow showers. Areas of blowing snow. Snow accumulation up to 2 inches. Brisk, cold with lows 2 below to 2 above zero. North winds 15 to 20 mph with gusts up to 30 mph. Chance of snow 90 percent. .THURSDAY...Mostly cloudy. Snow showers likely, mainly in the morning. Little or no new snow accumulation. Cold with highs around 14. North winds around 10 mph in the morning. Chance of snow 60 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows 4 below to 2 above zero. .FRIDAY...Partly cloudy. Highs in the upper 20s. .FRIDAY NIGHT...Partly cloudy. Cold with lows 4 to 8 above. Southwest winds around 10 mph after midnight. .SATURDAY...Mostly sunny. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear. Cold with lows 5 to 10 above. .SUNDAY...Partly cloudy. Highs around 40. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows around 20. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 50s. .MONDAY NIGHT...Partly cloudy. Lows in the lower 30s. .TUESDAY...Mostly cloudy and breezy. Highs in the mid 50s. .TUESDAY NIGHT...Mostly cloudy with a slight chance of rain and snow showers. Breezy with lows in the upper 20s. Chance of precipitation 20 percent. .WEDNESDAY...Mostly cloudy with a slight chance of snow showers in the morning, then partly cloudy with a chance of snow showers in the afternoon. Highs around 50. Chance of snow 30 percent. $$ WYZ027-191100- South Lincoln County- Including the cities of Kemmerer and Cokeville 1146 PM MST Wed Feb 18 2026 .TONIGHT...Patchy blowing snow late this evening. Partly cloudy. Brisk, cold with lows 4 to 12 above. West winds 15 to 25 mph with gusts up to 35 mph. .THURSDAY...Partly cloudy. Highs in the mid 20s. West winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Cold with lows 5 to 11 above. Northeast winds around 10 mph. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of. Breezy with highs in the mid 20s. North winds around 10 mph, becoming west 15 to 20 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Cold with lows 3 to 7 above. West winds 10 to 15 mph. .SATURDAY...Mostly sunny. Highs around 30. .SATURDAY NIGHT...Partly cloudy. Cold with lows 10 to 15. .SUNDAY...Mostly cloudy in the morning, then clearing. Highs in the upper 30s. .SUNDAY NIGHT...Mostly clear. Cold with lows 15 to 20. .MONDAY...Partly cloudy. Highs in the mid 40s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 20s. .TUESDAY...Mostly cloudy in the morning, then partly cloudy with a chance of rain and snow showers in the afternoon. Breezy with highs in the mid 40s. Chance of precipitation 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Breezy with lows around 30. Chance of precipitation 40 percent. .WEDNESDAY...Mostly cloudy with snow showers likely. Light snow accumulation possible. Breezy with highs in the lower 40s. Chance of snow 60 percent. $$ WYZ016-191100- Upper Wind River Basin- Including the city of Dubois 1146 PM MST Wed Feb 18 2026 .TONIGHT...Cloudy with a 30 percent chance of snow showers. Breezy, cold with lows around 7 above. Northwest winds 15 to 20 mph, becoming southwest 10 to 15 mph after midnight. .THURSDAY...Partly cloudy. A slight chance of. Cold with highs around 20. South winds around 10 mph with gusts up to 20 mph. .THURSDAY NIGHT...Partly cloudy. Cold with lows 1 to 5 above. Northwest winds around 10 mph after midnight. .FRIDAY...Partly cloudy. A chance of snow showers in the afternoon. Highs in the mid 20s. West winds 10 to 15 mph. Chance of snow 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 5 to 9 above. West winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY...Sunny. Highs in the lower 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 10 to 15. .SUNDAY...Partly cloudy in the morning, then clearing. Highs around 40. .SUNDAY NIGHT...Clear. Lows around 20. .MONDAY...Mostly sunny. Highs in the upper 40s. .MONDAY NIGHT...Partly cloudy and breezy. Lows around 30. .TUESDAY...Partly cloudy. A chance of snow showers in the morning, then snow showers likely with a chance of rain showers in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 40s. Chance of precipitation 60 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of rain showers in the evening. Snow showers likely. Little or no snow accumulation. Breezy with lows in the upper 20s. Chance of precipitation 60 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Snow showers likely. Little or no snow accumulation. Breezy with highs in the lower 40s. Chance of snow 60 percent. $$ WYZ001-191100- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 1146 PM MST Wed Feb 18 2026 .TONIGHT...Mostly cloudy. A chance of snow showers late this evening, then snow showers likely after midnight. Snow accumulation up to 1 inch. Cold with lows 3 below to 3 above zero. Northwest winds around 10 mph late this evening. Chance of snow 60 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Cold with highs 14 to 20. Southwest winds around 10 mph. .THURSDAY NIGHT...Partly cloudy. Cold with lows 2 below to 8 below zero. Southwest winds around 10 mph in the evening. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with a chance of snow showers in the afternoon. Cold with highs 15 to 21. West winds 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of snow 30 percent. .FRIDAY NIGHT...Mostly cloudy. A chance of snow showers in the evening. Cold with lows zero to 6 above zero. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 30 percent. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the mid 20s. .SATURDAY NIGHT...Partly cloudy. Cold with lows zero to 5 above zero. .SUNDAY...Partly cloudy. Highs in the lower 30s. .SUNDAY NIGHT...Mostly clear. Cold with lows 5 to 15 above. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 30s. .MONDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of snow showers after midnight. Cold with lows around 20. Chance of snow 30 percent. .TUESDAY...Snow showers. Moderate snow accumulation. Breezy with highs in the lower 30s. Chance of snow 80 percent. .TUESDAY NIGHT...Snow showers. New moderate snow accumulation. Breezy, cold with lows around 20. Chance of snow 80 percent. .WEDNESDAY...Snow showers. New moderate snow accumulation. Highs around 30. Chance of snow 80 percent. $$ WYZ029-191100- Flaming Gorge- 1146 PM MST Wed Feb 18 2026 .TONIGHT...Partly cloudy. Patchy blowing snow. Breezy, cold with lows around 11. West winds 20 to 25 mph with gusts up to 40 mph. .THURSDAY...Partly cloudy. Highs in the mid 20s. West winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY NIGHT...Mostly cloudy. Cold with lows 10 to 14. Southeast winds around 10 mph. .FRIDAY...Mostly cloudy with a 30 percent chance of snow showers. Breezy with highs in the upper 20s. North winds around 10 mph with gusts up to 20 mph, becoming northwest 15 to 20 mph with gusts up to 30 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy, cold with lows around 10 above. West winds 15 to 20 mph with gusts up to 30 mph, becoming southwest around 10 mph with gusts up to 20 mph after midnight. .SATURDAY...Mostly sunny. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 10 to 15. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 40s. .SUNDAY NIGHT...Mostly clear. Cold with lows around 20. .MONDAY...Partly cloudy. Highs in the upper 40s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 20s. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 50. .TUESDAY NIGHT...Mostly cloudy. A slight chance of rain and snow showers after midnight. Lows in the upper 20s. Chance of precipitation 20 percent. .WEDNESDAY...Mostly cloudy with a chance of rain and snow showers. Breezy with highs in the upper 40s. Chance of precipitation 40 percent. $$ WYZ022-191100- Casper Mountain- 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Snow showers. Storm total snow accumulation of 3 to 5 inches. Colder with lows 2 below to 4 above zero. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 90 percent. .THURSDAY...Cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Cold with highs 12 to 18. West winds 10 to 15 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows zero to 6 above zero. Southwest winds around 10 mph in the evening. .FRIDAY...Mostly cloudy. A chance of snow showers in the afternoon. Highs in the lower 20s. Northwest winds around 10 mph in the afternoon. Chance of snow 30 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of snow showers in the evening, then partly cloudy after midnight. Cold with lows 3 to 9 above. Southwest winds around 10 mph. Chance of snow 20 percent. .SATURDAY...Mostly sunny and breezy. Highs in the mid 20s. .SATURDAY NIGHT...Mostly clear. Cold with lows 5 to 15 above. .SUNDAY...Partly cloudy. Highs in the mid 30s. .SUNDAY NIGHT...Mostly clear. Cold with lows around 20. .MONDAY...Partly cloudy. Highs in the lower 40s. .MONDAY NIGHT...Partly cloudy and breezy. Lows around 30. .TUESDAY...Mostly cloudy and breezy. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy. A slight chance of rain and snow showers in the evening, then a chance of snow showers after midnight. Breezy with lows in the upper 20s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy with a 40 percent chance of snow showers. Breezy with highs in the lower 40s. $$ WYZ002-191100- Absaroka Mountains- 1146 PM MST Wed Feb 18 2026 .TONIGHT...Cloudy with a 40 percent chance of snow showers. Cold with lows 1 to 7 above. West winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Cold with highs 10 to 18. West winds 10 to 15 mph. .THURSDAY NIGHT...Partly cloudy. A slight chance of snow showers in the evening. Cold with lows 8 below to 2 above zero. West winds around 10 mph with gusts up to 20 mph. Chance of snow 20 percent. .FRIDAY...Partly cloudy. A chance of snow showers in the afternoon. Cold with highs 9 to 21 above. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of snow 30 percent. Lowest wind chill readings wind chill readings as low as 23 below in the morning. .FRIDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Brisk, cold with lows 2 below to 8 above zero. West winds 15 to 20 mph with gusts up to 30 mph. Chance of snow 30 percent. .SATURDAY...Mostly sunny and breezy. Highs in the lower 20s. Lowest wind chill readings wind chill readings as low as 20 below in the morning. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows zero to 10 above zero. .SUNDAY...Partly cloudy in the morning, then clearing. Highs around 30. .SUNDAY NIGHT...Mostly clear and breezy, cold with lows 11 to 21. .MONDAY...Mostly sunny and breezy. Highs in the mid 30s. .MONDAY NIGHT...Partly cloudy. A slight chance of. Breezy with lows in the lower 20s. .TUESDAY...Snow showers. Light snow accumulation. Windy with highs around 30. Chance of snow 80 percent. .TUESDAY NIGHT...Snow showers likely. New light snow accumulation possible. Breezy with lows in the lower 20s. Chance of snow 70 percent. .WEDNESDAY...Snow showers likely. New light snow accumulation possible. Breezy with highs in the upper 20s. Chance of snow 60 percent. $$ WYZ007-191100- Owl Creek and Bridger Mountains- 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Snow showers. Blowing snow late this evening. Areas of blowing snow after midnight. Visibility one quarter mile or less at times. Snow accumulation up to 3 inches. Blustery, colder with lows 1 below to 5 above zero. North winds 15 to 25 mph with gusts up to 40 mph. Chance of snow 90 percent. .THURSDAY...Cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Cold with highs 12 to 18. North winds around 10 mph with gusts up to 20 mph, becoming northeast in the afternoon. Chance of snow 30 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows 3 to 9 above. .FRIDAY...Partly cloudy. Highs in the mid 20s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 6 to 12 above. Southwest winds around 10 mph. .SATURDAY...Sunny. Highs in the upper 20s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 10 to 15. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the lower 30s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 20s. .MONDAY...Partly cloudy. Highs in the lower 40s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 20s. .TUESDAY...Mostly cloudy in the morning, then partly cloudy with a chance of rain and snow showers in the afternoon. Breezy with highs in the upper 40s. Chance of precipitation 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of rain showers in the evening. A chance of snow showers. Breezy with lows in the upper 20s. Chance of precipitation 30 percent. .WEDNESDAY...Partly cloudy with a 30 percent chance of snow showers. Breezy with highs in the mid 40s. $$ WYZ008-191100- Bighorn Mountains West- 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Patchy blowing snow late this evening. Snow showers with visibility one quarter mile or less at times. Snow accumulation up to 2 inches. Cold with lows 3 below to 3 above zero. Northwest winds 10 to 15 mph, becoming southwest after midnight. Chance of snow 90 percent. .THURSDAY...Cloudy with snow showers likely in the morning, then partly cloudy with a chance of snow showers in the afternoon. New snow accumulation up to 1 inch. Colder with highs 6 to 14 above. West winds around 10 mph. Chance of snow 60 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows 3 below to 9 above zero. East winds around 10 mph after midnight. .FRIDAY...Partly cloudy. A slight chance of. Cold with highs 13 to 25. West winds around 10 mph with gusts up to 20 mph. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows zero to 12 above zero. West winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the mid 20s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 5 to 20 above. .SUNDAY...Partly cloudy. Highs in the lower 30s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 20s. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 40. .MONDAY NIGHT...Partly cloudy and breezy. Lows in the upper 20s. .TUESDAY...Mostly cloudy with a 40 percent chance of snow showers. Breezy with highs around 40. .TUESDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with snow showers likely. Little or no snow accumulation. Breezy with lows in the mid 20s. Chance of precipitation 60 percent. .WEDNESDAY...Partly cloudy with a 40 percent chance of snow showers. Breezy with highs in the mid 30s. $$ WYZ009-191100- Bighorn Mountains Southeast- 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Patchy blowing snow late this evening. Snow showers. Snow accumulation up to 2 inches. Brisk, cold with lows around zero. Northeast winds 15 to 20 mph, becoming northwest 10 to 15 mph after midnight. Chance of snow 90 percent. .THURSDAY...Mostly cloudy. Snow showers likely, mainly in the morning. New snow accumulation up to 1 inch. Cold with highs 8 to 14 above. West winds around 10 mph. Chance of snow 60 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows 2 below to 6 above zero. West winds around 10 mph. .FRIDAY...Partly cloudy. Cold with highs around 20. West winds around 10 mph, becoming southwest in the afternoon. Gusts up to 25 mph. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 2 to 10 above. West winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY...Mostly sunny. Highs in the mid 20s. .SATURDAY NIGHT...Mostly clear. Cold with lows 10 to 15. .SUNDAY...Partly cloudy. Highs in the lower 30s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows around 20. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 40s. .MONDAY NIGHT...Partly cloudy and breezy. Lows in the upper 20s. .TUESDAY...Partly cloudy in the morning, then mostly cloudy with a chance of snow showers in the afternoon. Windy with highs in the lower 40s. Chance of snow 30 percent. .TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of snow showers. Breezy with lows in the mid 20s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Breezy with highs in the mid 30s. $$ WYZ012-191100- Teton and Gros Ventre Mountains- 1146 PM MST Wed Feb 18 2026 .TONIGHT...Cloudy. A chance of snow showers late this evening, then snow showers likely after midnight. Snow accumulation up to 2 inches. Cold with lows 1 below to 7 above zero. West winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 60 percent. .THURSDAY...Mostly cloudy with snow showers likely in the morning, then partly cloudy with a chance of snow showers in the afternoon. Snow accumulation up to 1 inch. Cold with highs 10 to 18. West winds around 10 mph. Chance of snow 60 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows 6 below to zero. South winds around 10 mph, becoming east after midnight. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with a chance of snow showers in the afternoon. Cold with highs 12 to 20. South winds around 10 mph with gusts up to 20 mph, becoming west with gusts up to 30 mph in the afternoon. Chance of snow 40 percent. .FRIDAY NIGHT...Mostly cloudy. A chance of snow showers in the evening. Cold with lows 2 below to 6 above zero. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of snow 30 percent. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the lower 20s. .SATURDAY NIGHT...Partly cloudy. Cold with lows 5 to 10 above. .SUNDAY...Partly cloudy. Highs in the lower 30s. .SUNDAY NIGHT...Clear, cold with lows 10 to 15. .MONDAY...Partly cloudy. Highs in the mid 30s. .MONDAY NIGHT...Partly cloudy. A chance of snow showers after midnight. Cold with lows around 20. Chance of snow 30 percent. .TUESDAY...Snow showers. Moderate snow accumulation. Breezy with highs around 30. Chance of snow 90 percent. .TUESDAY NIGHT...Snow showers. New heavy snow accumulation. Breezy with lows in the lower 20s. Chance of snow 80 percent. .WEDNESDAY...Snow showers. New moderate snow accumulation. Breezy with highs in the upper 20s. Chance of snow 80 percent. $$ WYZ014-191100- Wind River Mountains West- 1146 PM MST Wed Feb 18 2026 .TONIGHT...Patchy blowing snow late this evening. Cloudy with a 40 percent chance of snow showers. Brisk, cold with lows 6 below to 4 above zero. West winds 15 to 20 mph with gusts up to 30 mph. .THURSDAY...Partly cloudy with a 30 percent chance of snow showers. Cold with highs 6 to 16 above. West winds 10 to 15 mph with gusts up to 25 mph. Wind chill readings wind chill readings as low as 22 below. .THURSDAY NIGHT...Partly cloudy. Cold with lows 10 below to zero. Northwest winds around 10 mph, becoming north after midnight. .FRIDAY...Mostly cloudy in the morning, then partly cloudy with a chance of snow showers in the afternoon. Cold with highs 8 to 20 above. Northwest winds around 10 mph, becoming west in the afternoon. Chance of snow 30 percent. Lowest wind chill readings wind chill readings as low as 21 below in the morning. .FRIDAY NIGHT...Partly cloudy. Cold with lows 7 below to 1 above zero. West winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY...Mostly sunny. Highs in the lower 20s. Lowest wind chill readings wind chill readings as low as 25 below in the morning. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows zero to 10 above zero. .SUNDAY...Partly cloudy. Highs in the upper 20s. .SUNDAY NIGHT...Mostly clear. Cold with lows 10 to 15. .MONDAY...Partly cloudy. Highs in the lower 30s. .MONDAY NIGHT...Partly cloudy. Cold with lows 13 to 21. .TUESDAY...A chance of snow showers in the morning, then snow showers in the afternoon. Light snow accumulation. Breezy with highs around 30. Chance of snow 80 percent. .TUESDAY NIGHT...Snow showers likely. New light snow accumulation possible. Breezy, cold with lows 14 to 22. Chance of snow 70 percent. .WEDNESDAY...Snow showers likely. New light snow accumulation possible. Breezy with highs in the upper 20s. Chance of snow 70 percent. $$ WYZ015-191100- Wind River Mountains East- 1146 PM MST Wed Feb 18 2026 .TONIGHT...Cloudy. Patchy blowing snow late this evening. Snow showers likely late this evening, then a chance of snow showers after midnight. Snow accumulation up to 1 inch. Blustery, cold with lows 5 below to 3 above zero. West winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 60 percent. .THURSDAY...Partly cloudy. A chance of snow showers in the afternoon. Cold with highs 7 to 17 above. West winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 30 percent. Lowest wind chill readings wind chill readings as low as 23 below in the morning. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of snow showers. Cold with lows 10 below to 2 above zero. West winds 10 to 15 mph. .FRIDAY...Partly cloudy. A chance of snow showers in the afternoon. Brisk, cold with highs 7 to 21 above. West winds 15 to 20 mph with gusts up to 30 mph. Chance of snow 30 percent. Lowest wind chill readings wind chill readings as low as 25 below in the morning. .FRIDAY NIGHT...Partly cloudy with a slight chance of snow showers in the evening, then mostly clear after midnight. Brisk, cold with lows 6 below to 6 above zero. West winds 15 to 20 mph with gusts up to 30 mph. Chance of snow 20 percent. Wind chill readings wind chill readings as low as 28 below. .SATURDAY...Sunny, breezy with highs in the lower 20s. Lowest wind chill readings wind chill readings as low as 25 below in the morning. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 5 to 15 above. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the upper 20s. .SUNDAY NIGHT...Clear, cold with lows 11 to 21. .MONDAY...Mostly sunny and breezy. Highs in the mid 30s. .MONDAY NIGHT...Partly cloudy. A slight chance of. Breezy with lows in the lower 20s. .TUESDAY...A chance of snow showers in the morning, then snow showers likely in the afternoon. Light snow accumulation possible. Windy with highs in the lower 30s. Chance of snow 70 percent. .TUESDAY NIGHT...Snow showers. New light snow accumulation. Windy with lows in the lower 20s. Chance of snow 80 percent. .WEDNESDAY...Snow showers likely. New light snow accumulation possible. Windy with highs in the upper 20s. Chance of snow 70 percent. $$ WYZ019-191100- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 1146 PM MST Wed Feb 18 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... .TONIGHT...Snow showers. Areas of blowing snow late this evening. Patchy blowing snow after midnight. Snow accumulation up to 2 inches. Breezy, cold with lows 1 to 7 above. Northwest winds 15 to 25 mph with gusts up to 35 mph. Chance of snow 80 percent. .THURSDAY...Mostly cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Breezy with highs in the lower 20s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of snow 30 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows zero to 6 above zero. Southwest winds around 10 mph in the evening. .FRIDAY...Mostly cloudy. Highs in the mid 20s. North winds around 10 mph, becoming northwest with gusts up to 25 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows 3 to 9 above. West winds around 10 mph with gusts up to 20 mph. .SATURDAY...Mostly sunny and breezy. Highs around 30. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 10 to 15. .SUNDAY...Partly cloudy. Highs in the upper 30s. .SUNDAY NIGHT...Mostly clear. Cold with lows 16 to 22. .MONDAY...Partly cloudy and breezy. Highs in the mid 40s. .MONDAY NIGHT...Partly cloudy and breezy. Lows in the upper 20s. .TUESDAY...Mostly cloudy. A slight chance of. Breezy with highs in the upper 40s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of snow showers. A chance of rain showers, mainly in the evening. Breezy with lows in the upper 20s. Chance of precipitation 30 percent. .WEDNESDAY...Partly cloudy with a 30 percent chance of snow showers. Breezy with highs in the mid 40s. $$ WYZ024-191100- Salt River and Wyoming Ranges- 1146 PM MST Wed Feb 18 2026 .TONIGHT...Mostly cloudy with a 40 percent chance of snow showers. Patchy blowing snow. Blustery, cold with lows 3 to 9 above. West winds 15 to 25 mph with gusts up to 40 mph. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Cold with highs 12 to 20. West winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY NIGHT...Partly cloudy. Cold with lows 1 below to 5 above zero. Southeast winds around 10 mph, becoming northeast after midnight. .FRIDAY...Partly cloudy. Snow showers likely in the afternoon. Little or no snow accumulation. Breezy, cold with highs 16 to 22. Northwest winds around 10 mph with gusts up to 20 mph, becoming west 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of snow 60 percent. .FRIDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Brisk, cold with lows 1 below to 5 above zero. West winds 15 to 20 mph with gusts up to 30 mph, diminishing to around 10 mph with gusts up to 20 mph after midnight. Chance of snow 30 percent. .SATURDAY...Mostly sunny. Highs in the mid 20s. .SATURDAY NIGHT...Partly cloudy. Cold with lows 5 to 10 above. .SUNDAY...Partly cloudy. Highs in the lower 30s. .SUNDAY NIGHT...Mostly clear. Cold with lows 10 to 20. .MONDAY...Partly cloudy. Highs in the upper 30s. .MONDAY NIGHT...Partly cloudy. A slight chance of. Lows in the lower 20s. .TUESDAY...Snow showers. Light snow accumulation. Breezy with highs in the mid 30s. Chance of snow 80 percent. .TUESDAY NIGHT...Snow showers. New moderate snow accumulation. Breezy with lows in the mid 20s. Chance of snow 80 percent. .WEDNESDAY...Snow showers. New moderate snow accumulation. Breezy with highs in the lower 30s. Chance of snow 80 percent. $$ WYZ030-191100- East Sweetwater County- Including the city of Wamsutter 1146 PM MST Wed Feb 18 2026 .TONIGHT...Mostly cloudy with a chance of snow showers late this evening, then partly cloudy after midnight. Areas of blowing snow late this evening. Patchy blowing snow after midnight. Snow may be heavy at times late this evening with visibility one quarter mile or less at times. Windy, cold with lows around 10 above. West winds 20 to 30 mph with gusts up to 40 mph. Chance of snow 30 percent. .THURSDAY...Partly cloudy and breezy. Highs in the lower 20s. West winds 15 to 20 mph with gusts up to 30 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Cold with lows around 10 above. Southwest winds around 10 mph, becoming east after midnight. .FRIDAY...Mostly cloudy with a 30 percent chance of snow showers. Highs in the upper 20s. North winds 10 to 15 mph, becoming northwest in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows around 8 above. West winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY...Sunny. Highs around 30. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows around 10 above. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 40. .SUNDAY NIGHT...Mostly clear. Cold with lows 15 to 20. .MONDAY...Partly cloudy. Highs in the mid 40s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 20s. .TUESDAY...Mostly cloudy and breezy. Highs in the upper 40s. .TUESDAY NIGHT...Mostly cloudy. A slight chance of rain and snow showers after midnight. Breezy with lows in the upper 20s. Chance of precipitation 20 percent. .WEDNESDAY...Mostly cloudy with a 30 percent chance of snow showers. Breezy with highs in the mid 40s. $$