FPUS55 KBOU 050006 ZFPBOU Zone Forecast Product for Northeast Colorado National Weather Service Denver/Boulder CO 605 PM MDT Mon May 4 2026 COZ038>040-051200- Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County- Including Fort Collins, Hereford, Loveland, Nunn, Arvada, Boulder, Golden, Lakewood, Longmont, Aurora, Brighton, City of Denver, Denver International Airport, Highlands Ranch, Littleton, and Parker 605 PM MDT Mon May 4 2026 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON... ...FREEZE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... .TONIGHT...Rain showers likely and slight chance of thunderstorms in the evening, then rain and snow showers after midnight. No snow accumulation. Lows 32 to 40. Northeast winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY...Rain and snow showers. Slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Highs near 40. Northeast winds 10 to 15 mph. .TUESDAY NIGHT...Rain and snow in the evening, then snow after midnight. Snow accumulation of 3 to 5 inches. Lows near 30. Northeast winds 10 to 15 mph. .WEDNESDAY...Snow and slight chance of thunderstorms. Snow accumulation up to 3 inches possible. Highs 34 to 40. North winds 10 to 15 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Mostly clear with a 10 percent chance of snow showers. Lows 21 to 27. .THURSDAY...Mostly sunny. Warmer. Highs 62 to 68. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows near 40. Chance of rain 40 percent. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the mid 60s to lower 70s. .FRIDAY NIGHT...Partly cloudy. Lows 40 to 46. .SATURDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs in the lower to mid 70s. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows near 40. Chance of rain 50 percent. .SUNDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs near 60. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows near 40. .MONDAY...Mostly sunny. Highs in the lower to mid 70s. $$ COZ041-051200- Elbert/Central and East Douglas Counties Above 6000 Feet- Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur 605 PM MDT Mon May 4 2026 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON... ...FREEZE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... .TONIGHT...Slight chance of thunderstorms in the evening. Showers likely. Lows in the mid to upper 30s. North winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light. Chance of rain 60 percent. .TUESDAY...Slight chance of snow showers. Rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. No snow accumulation. Highs in the lower 40s. East winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY NIGHT...Rain and snow in the evening, then snow after midnight. Snow accumulation of 4 to 5 inches. Lows in the upper 20s. Northeast winds 10 to 15 mph. .WEDNESDAY...Snow and slight chance of thunderstorms. Snow accumulation up to 3 inches possible. Highs in the lower to mid 30s. North winds 10 to 15 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of snow showers. Lows in the lower to mid 20s. .THURSDAY...Mostly sunny. Highs near 60. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows in the mid to upper 30s. .FRIDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs in the mid to upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows near 40. .SATURDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs near 70. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the mid 30s to lower 40s. Chance of rain 50 percent. .SUNDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 54 to 60. .SUNDAY NIGHT...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows in the mid to upper 30s. Chance of rain 30 percent. .MONDAY...Partly cloudy with a 20 percent chance of thunderstorms. Warmer. Highs near 70. $$ COZ043-045-051200- Central and South Weld County- Central and East Adams and Arapahoe Counties- Including Eaton, Fort Lupton, Greeley, Roggen, Bennett, Byers, Deer Trail, and Leader 605 PM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM TUESDAY TO 3 PM MDT WEDNESDAY... ...FREEZE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... .TONIGHT...Showers likely and slight chance of thunderstorms in the evening, then showers after midnight. Lows in the mid to upper 30s. Northeast winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY...Rain and snow showers. Slight chance of thunderstorms in the afternoon. No snow accumulation. Highs in the lower 40s. East winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Rain and snow in the evening, then rain and snow after midnight. Snow accumulation of 2 to 4 inches. Lows around 30. Northeast winds 10 to 15 mph. .WEDNESDAY...Snow with rain likely and slight chance of thunderstorms. Highs 36 to 42. Northeast winds 10 to 15 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Mostly clear with a 10 percent chance of snow showers. Lows in the lower to mid 20s. .THURSDAY...Mostly sunny. Warmer. Highs in the mid to upper 60s. .THURSDAY NIGHT...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows in the mid to upper 30s. Chance of rain 30 percent. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower to mid 40s. .SATURDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs in the mid 70s. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows near 40. Chance of rain 50 percent. .SUNDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs in the lower 60s. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows near 40. .MONDAY...Mostly sunny. Highs in the lower to mid 70s. $$ COZ042-044-051200- Northeast Weld County-Morgan County- Including Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Brush, Fort Morgan, Goodrich, and Wiggins 605 PM MDT Mon May 4 2026 ...FREEZE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... .TONIGHT...Rain showers likely and slight chance of thunderstorms in the evening, then rain and snow showers after midnight. No snow accumulation. Lows in the lower to mid 30s. Northeast winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY...Rain and snow showers. Slight chance of thunderstorms in the afternoon. No snow accumulation. Highs in the lower 40s. East winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY NIGHT...Rain and snow in the evening, then rain and snow after midnight. Snow accumulation of 2 to 4 inches. Lows around 30. Northeast winds 10 to 15 mph. .WEDNESDAY...Snow with rain likely and slight chance of thunderstorms. Highs in the lower 40s. Northeast winds 10 to 15 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 21 to 27. .THURSDAY...Mostly sunny. Warmer. Highs near 70. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the mid 30s to lower 40s. Chance of rain 30 percent. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower to mid 40s. .SATURDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs in the 70s. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows near 40. Chance of rain 50 percent. .SUNDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs in the lower 60s. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the mid 30s to lower 40s. .MONDAY...Mostly sunny. Highs in the mid 70s. $$ COZ047-051200- Southeast Elbert County Below 6000 Feet/South Lincoln County- Including Forder, Karval, Kutch, and Punkin Center 605 PM MDT Mon May 4 2026 ...FREEZE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... .TONIGHT...Cloudy with a 40 percent chance of showers. Lows 35 to 41. Northeast winds 10 to 20 mph. Gusts up to 30 mph in the evening. .TUESDAY...Rain showers likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Highs 44 to 50. East winds 10 to 20 mph with gusts up to 30 mph. .TUESDAY NIGHT...Snow. Rain and slight chance of thunderstorms in the evening, then a slight chance of rain after midnight. Snow accumulation of 1 to 3 inches. Lows near 30. East winds 10 to 20 mph. Gusts up to 30 mph in the evening. .WEDNESDAY...Snow with rain likely. Highs in the mid to upper 30s. Northeast winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain and snow showers. Lows 20 to 26. Chance of precipitation 30 percent. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 63 to 71. Lows 33 to 39. .FRIDAY NIGHT...Partly cloudy. Lows near 40. .SATURDAY...Partly cloudy with a chance of showers and slight chance of thunderstorms. Highs in the lower to mid 70s. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows 37 to 43. Chance of rain 40 percent. .SUNDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Highs in the lower to mid 60s. .SUNDAY NIGHT...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows in the mid to upper 30s. Chance of rain 30 percent. .MONDAY...Mostly sunny. Highs in the lower 70s. $$ COZ046-051200- North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Including Agate, Hugo, Limon, and Matheson 605 PM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM TUESDAY TO 3 PM MDT WEDNESDAY... ...FREEZE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... .TONIGHT...Chance of showers and slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the 30s. Northeast winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 60 percent. .TUESDAY...Slight chance of snow showers. Rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. No snow accumulation. Highs in the lower 40s. East winds 10 to 20 mph with gusts up to 30 mph. .TUESDAY NIGHT...Rain and snow in the evening, then snow after midnight. Snow accumulation of 2 to 4 inches. Lows in the upper 20s. East winds 10 to 15 mph with gusts up to 25 mph in the evening, becoming light. .WEDNESDAY...Snow and slight chance of thunderstorms. Snow accumulation up to 3 inches possible. Highs in the mid 30s. Northeast winds 10 to 15 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of snow showers. Lows in the lower to mid 20s. .THURSDAY...Mostly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows in the 30s. .FRIDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows 37 to 43. .SATURDAY...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Highs in the lower 70s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the mid 30s to lower 40s. Chance of rain 50 percent. .SUNDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs in the lower 60s. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the mid to upper 30s. .MONDAY...Mostly sunny. Highs in the lower 70s. $$ COZ048>051-051200- Logan County-Washington County-Sedgwick County-Phillips County- Including Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 605 PM MDT Mon May 4 2026 ...FREEZE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... .TONIGHT...Chance of showers and slight chance of thunderstorms in the evening, then showers after midnight. Lows in the mid 30s. Northeast winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Rain showers. Slight chance of snow showers in the morning, then a slight chance of thunderstorms in the afternoon. No snow accumulation. Highs in the lower to mid 40s. East winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY NIGHT...Snow. Rain in the evening, then a slight chance of rain after midnight. Snow accumulation of 1 to 2 inches. Lows around 30. Northeast winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light. .WEDNESDAY...Snow with rain likely. Highs 38 to 48. Northeast winds 10 to 15 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Mostly clear with a 10 percent chance of snow showers. Lows in the mid to upper 20s. Southwest winds 10 to 15 mph with gusts up to 20 mph. .THURSDAY...Mostly sunny. Warmer. Highs 65 to 72. .THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows near 40. Chance of rain 30 percent. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs near 70. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs in the mid 70s. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Chance of rain 50 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the upper 30s. .MONDAY...Mostly sunny. Highs in the mid 70s. $$ COZ035-051200- Larimer and Boulder Counties Between 6000 and 9000 Feet- Including Estes Park, Glendevey, Nederland, and Red Feather Lakes 605 PM MDT Mon May 4 2026 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM MDT WEDNESDAY... .TONIGHT...Rain showers. Lows 28 to 34. .TUESDAY...Snow showers. Chance of thunderstorms in the afternoon. Snow accumulation of 6 to 9 inches. Highs in the lower to mid 30s. East winds 10 to 15 mph with gusts up to 20 mph in the afternoon. .TUESDAY NIGHT...Snow. Snow accumulation of 8 to 11 inches. Lows 19 to 27. .WEDNESDAY...Snow and slight chance of thunderstorms. Snow accumulation up to 3 inches possible. Highs 29 to 35. .WEDNESDAY NIGHT...Mostly clear with a 10 percent chance of snow showers. Lows 18 to 24. West winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY...Partly cloudy with a slight chance of thunderstorms and snow showers. Highs 48 to 58. Chance of snow 20 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 32 to 40. Chance of rain 50 percent. .FRIDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 54 to 64. .FRIDAY NIGHT...Mostly cloudy with a 10 percent chance of rain showers. Lows 34 to 42. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs 56 to 66. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 32 to 40. Chance of rain 50 percent. .SUNDAY...Rain showers likely, chance of thunderstorms and snow showers. Highs 48 to 58. Chance of precipitation 60 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 31 to 39. .MONDAY...Mostly sunny with a 20 percent chance of thunderstorms. Warmer. Highs 60 to 70. $$ COZ036-051200- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including Bailey, Central City, Evergreen, Georgetown, Idaho Springs, and Westcreek 605 PM MDT Mon May 4 2026 ...WINTER STORM WARNING IN EFFECT FROM NOON TUESDAY TO 3 PM MDT WEDNESDAY... .TONIGHT...Rain showers likely. Slight chance of thunderstorms in the evening. Slight chance of snow showers towards sunrise. No snow accumulation. Lows 31 to 39. Chance of precipitation 60 percent. .TUESDAY...Snow showers. Rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Snow accumulation up to 2 inches. Highs 35 to 43. .TUESDAY NIGHT...Snow and slight chance of thunderstorms in the evening, then snow after midnight. Colder. Snow accumulation of 5 to 8 inches. Lows 21 to 27. .WEDNESDAY...Snow and slight chance of thunderstorms. Snow accumulation of 3 to 6 inches possible. Highs 27 to 33. Northeast winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of snow showers. Lows 17 to 23. .THURSDAY...Partly cloudy. Highs 52 to 62. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 31 to 39. .FRIDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 56 to 66. .FRIDAY NIGHT...Partly cloudy. Lows 35 to 43. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs 59 to 69. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 32 to 40. Chance of rain 50 percent. .SUNDAY...Rain showers likely, chance of thunderstorms and snow showers. Highs 47 to 57. Chance of precipitation 60 percent. .SUNDAY NIGHT...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 31 to 39. Chance of rain 30 percent. .MONDAY...Partly cloudy with a 20 percent chance of thunderstorms. Warmer. Highs 60 to 70. $$ COZ030-032-051200- Jackson County Below 9000 Feet- Grand and Summit Counties Below 9000 Feet- Including Gould, North Park, Rand, Spicer, Walden, Dillon, Fraser, Granby, Grand Lake, Hot Sulphur Springs, and Kremmling 605 PM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM TUESDAY TO 3 PM MDT WEDNESDAY... .TONIGHT...Rain showers likely. Lows in the lower to mid 30s. Chance of rain 70 percent. .TUESDAY...Snow showers. Rain showers and slight chance of thunderstorms in the morning, then rain showers and chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Highs 39 to 47. Northwest winds 10 to 15 mph with gusts up to 20 mph in the afternoon. .TUESDAY NIGHT...Rain and slight chance of thunderstorms in the evening. Snow. Snow accumulation of 3 to 5 inches. Lows 19 to 25. Northeast winds 10 to 15 mph with gusts up to 20 mph after midnight. .WEDNESDAY...Snow and slight chance of thunderstorms. Highs 32 to 38. Northeast winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Mostly clear. Lows 13 to 17. .THURSDAY...Partly cloudy with a slight chance of thunderstorms and snow showers. Highs 49 to 55. Chance of snow 20 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows near 30. Chance of rain 30 percent. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 55 to 61. .FRIDAY NIGHT...Mostly cloudy. Lows in the lower to mid 30s. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs 54 to 60. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows near 30. Chance of rain 40 percent. .SUNDAY...Mostly cloudy with a chance of thunderstorms and snow showers. Highs 51 to 57. Chance of snow 50 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows near 30. .MONDAY...Mostly sunny. Highs 59 to 65. $$ COZ037-051200- Central and Southeast Park County- Including Fairplay, Hartsel, Lake George, and South Park 605 PM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM TUESDAY TO 3 PM MDT WEDNESDAY... .TONIGHT...Mostly cloudy with a chance of rain showers. Lows in the lower to mid 30s. Chance of rain 30 percent. .TUESDAY...Chance of snow showers in the morning, then snow showers likely and chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs 43 to 51. Southwest winds 10 to 15 mph in the afternoon. Chance of snow 70 percent. .TUESDAY NIGHT...Snow, rain and slight chance of thunderstorms in the evening, then snow after midnight. Snow accumulation of 2 to 4 inches. Lows in the lower to mid 20s. .WEDNESDAY...Snow and slight chance of thunderstorms. Colder. Snow accumulation of 3 to 6 inches possible. Highs 26 to 32. Northeast winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of snow showers. Lows 12 to 18. .THURSDAY...Mostly sunny. Highs 48 to 56. .THURSDAY NIGHT...Partly cloudy. Lows 27 to 33. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 53 to 61. .FRIDAY NIGHT...Partly cloudy. Lows 30 to 36. .SATURDAY...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 54 to 62. Chance of rain 50 percent. .SATURDAY NIGHT...Partly cloudy with a chance of rain showers, slight chance of thunderstorms and snow showers. Lows near 30. Chance of precipitation 30 percent. .SUNDAY...Mostly cloudy with a chance of thunderstorms and snow showers. Highs 48 to 54. Chance of snow 50 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of rain and snow showers. Lows near 30. Chance of precipitation 20 percent. .MONDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 56 to 64. $$ COZ033-051200- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- Including Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, and Willow Creek Pass 605 PM MDT Mon May 4 2026 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM MDT WEDNESDAY... .TONIGHT...Chance of thunderstorms in the evening. Snow showers and rain showers through the night. Snow accumulation of 2 to 5 inches. Lows 23 to 33. .TUESDAY...Snow showers. Slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Snow accumulation of 6 to 10 inches. Highs 29 to 39. Northeast winds 10 to 15 mph with gusts up to 20 mph in the afternoon. .TUESDAY NIGHT...Snow, colder. Snow accumulation of 7 to 11 inches. Lows 11 to 21. Northeast winds 10 to 15 mph with gusts up to 20 mph after midnight. .WEDNESDAY...Snow and slight chance of thunderstorms. Snow accumulation up to 3 inches possible. Highs 21 to 31. Northeast winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of snow showers. Lows 11 to 17. West winds 10 to 15 mph with gusts up to 30 mph. .THURSDAY...Partly cloudy with a slight chance of thunderstorms and snow showers. Highs 37 to 47. Chance of snow 20 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of snow showers, rain showers and slight chance of thunderstorms. Lows 25 to 33. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy with a chance of thunderstorms and slight chance of snow showers. Highs 43 to 53. Chance of snow 50 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of rain and snow showers. Lows 25 to 35. Chance of precipitation 20 percent. .SATURDAY...Rain showers, snow showers likely and chance of thunderstorms. Highs 43 to 53. Chance of precipitation 70 percent. .SATURDAY NIGHT...Snow showers likely, chance of rain showers and slight chance of thunderstorms. Lows 24 to 32. Chance of precipitation 60 percent. .SUNDAY...Snow showers likely and chance of thunderstorms. Highs 38 to 48. Chance of snow 60 percent. .SUNDAY NIGHT...Partly cloudy with a chance of rain and snow showers. Lows 23 to 31. Chance of precipitation 30 percent. .MONDAY...Mostly sunny with a slight chance of thunderstorms and snow showers. Highs 47 to 57. Chance of snow 20 percent. $$ COZ031-051200- West Jackson and West Grand Counties Above 9000 Feet- Including Mt Zirkel 605 PM MDT Mon May 4 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TUESDAY TO NOON MDT WEDNESDAY... .TONIGHT...Rain showers likely, chance of thunderstorms and slight chance of snow showers in the evening, then rain and snow showers after midnight. Snow accumulation up to 2 inches. Lows 28 to 34. West winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light. .TUESDAY...Snow showers. Slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Snow accumulation of 3 to 5 inches. Highs 33 to 43. Northwest winds 10 to 15 mph in the afternoon. .TUESDAY NIGHT...Snow and slight chance of thunderstorms in the evening, then snow after midnight. Colder. Snow accumulation of 5 to 7 inches. Lows 15 to 23. North winds 10 to 15 mph. .WEDNESDAY...Snow likely and slight chance of thunderstorms. Snow accumulation up to 3 inches possible. Highs 27 to 35. North winds 10 to 15 mph with gusts up to 30 mph. Chance of snow 70 percent. .WEDNESDAY NIGHT...Mostly clear. Lows 14 to 18. West winds 10 to 15 mph with gusts up to 30 mph. .THURSDAY...Partly cloudy with a slight chance of thunderstorms and snow showers. Highs 42 to 52. Chance of snow 20 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain showers, snow showers and slight chance of thunderstorms. Lows 27 to 33. Chance of precipitation 50 percent. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 48 to 58. .FRIDAY NIGHT...Mostly cloudy. Lows 30 to 36. .SATURDAY...Rain showers likely, chance of thunderstorms and snow showers. Highs 46 to 56. Chance of precipitation 60 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers, snow showers and slight chance of thunderstorms. Lows 26 to 32. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy with a chance of thunderstorms and snow showers. Highs 44 to 54. Chance of snow 50 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of rain and snow showers. Lows 26 to 32. Chance of precipitation 20 percent. .MONDAY...Mostly sunny. Highs 52 to 62. $$ COZ034-051200- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Blue Sky, Williams Fork Mountains, and Winter Park 605 PM MDT Mon May 4 2026 ...WINTER STORM WARNING IN EFFECT FROM NOON TUESDAY TO 3 PM MDT WEDNESDAY... .TONIGHT...Snow showers likely. Snow accumulation up to 2 inches. Lows 24 to 32. Chance of snow 70 percent. .TUESDAY...Snow showers likely in the morning, then snow showers and chance of thunderstorms in the afternoon. Snow accumulation of 2 to 5 inches. Highs 33 to 43. West winds 10 to 15 mph in the afternoon. .TUESDAY NIGHT...Snow and slight chance of thunderstorms in the evening, then snow after midnight. Colder. Snow accumulation of 5 to 8 inches. Lows 12 to 22. .WEDNESDAY...Snow and slight chance of thunderstorms. Snow accumulation of 3 to 6 inches possible. Highs 20 to 30. Northeast winds 10 to 15 mph with gusts up to 30 mph. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of snow showers. Lows 10 to 18. West winds 10 to 15 mph with gusts up to 30 mph. .THURSDAY...Mostly sunny with a slight chance of thunderstorms and snow showers. Highs 39 to 49. Chance of snow 10 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of snow showers, rain showers and slight chance of thunderstorms. Lows 23 to 33. Chance of precipitation 30 percent. .FRIDAY...Partly cloudy with a chance of thunderstorms and slight chance of snow showers. Highs 43 to 53. Chance of snow 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows 25 to 35. .SATURDAY...Rain showers likely, chance of thunderstorms and snow showers. Highs 44 to 54. Chance of precipitation 60 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of snow showers, rain showers and slight chance of thunderstorms. Lows 22 to 32. Chance of precipitation 50 percent. .SUNDAY...Mostly cloudy with a chance of snow showers and thunderstorms. Highs 38 to 48. Chance of snow 50 percent. .SUNDAY NIGHT...Partly cloudy with a chance of rain and snow showers. Lows 21 to 31. Chance of precipitation 30 percent. .MONDAY...Partly cloudy with a slight chance of thunderstorms and snow showers. Highs 46 to 56. Chance of snow 20 percent. $$