FPUS55 KBOU 211306 ZFPBOU Zone Forecast Product for Northeast Colorado National Weather Service Denver/Boulder CO 605 AM MST Sat Feb 21 2026 COZ038-220300- Larimer County Below 6000 Feet/Northwest Weld County- Including Fort Collins, Hereford, Loveland, and Nunn 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs 40 to 46. West winds 10 to 15 mph with gusts up to 20 mph. .TONIGHT...Mostly clear. Lows 9 to 15. .SUNDAY...Mostly sunny. Highs 42 to 48. .SUNDAY NIGHT...Partly cloudy. Lows 16 to 24. .MONDAY...Partly cloudy. Highs near 60. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 29 to 35. Highs 62 to 68. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the mid 30s to lower 40s. .WEDNESDAY...Mostly cloudy with a 40 percent chance of rain. Windy. Highs 56 to 62. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain and snow. Lows in the upper 20s. Chance of precipitation 30 percent. .THURSDAY...Mostly sunny with a slight chance of rain and snow. Windy. Highs 55 to 61. Chance of precipitation 20 percent. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Windy. Lows in the lower to mid 30s. Highs 59 to 65. $$ COZ039-220300- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including Arvada, Boulder, Golden, Lakewood, and Longmont 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs in the mid to upper 40s. .TONIGHT...Mostly clear. Lows 15 to 21. .SUNDAY...Mostly sunny. Highs near 50. .SUNDAY NIGHT...Partly cloudy. Lows 23 to 29. .MONDAY...Mostly cloudy. Warmer. Highs in the lower to mid 60s. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows in the 30s. Highs in the mid 60s to lower 70s. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows near 40. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Highs in the lower to mid 60s. Lows 29 to 35. .THURSDAY...Mostly sunny with a slight chance of rain and snow. Highs near 60. Chance of precipitation 20 percent. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the 30s. Highs in the lower to mid 60s. $$ COZ040-220300- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County- Including Aurora, Brighton, City of Denver, Denver International Airport, Highlands Ranch, Littleton, and Parker 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs in the mid 40s. .TONIGHT...Mostly clear. Lows 16 to 20. .SUNDAY...Mostly sunny. Highs in the lower 50s. .SUNDAY NIGHT...Partly cloudy. Lows 22 to 28. .MONDAY...Partly cloudy. Highs in the mid 60s. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows in the mid 30s. Highs around 70. .TUESDAY NIGHT...Mostly cloudy. Lows around 40. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain. Highs in the mid 60s. Lows in the lower to mid 30s. .THURSDAY...Mostly sunny with a slight chance of rain and snow. Highs in the lower 60s. Chance of precipitation 20 percent. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 30s. Highs in the upper 60s. $$ COZ041-220300- Elbert/Central and East Douglas Counties Above 6000 Feet- Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs in the lower to mid 40s. .TONIGHT...Mostly clear. Lows 15 to 19. .SUNDAY...Mostly sunny. Highs 46 to 52. .SUNDAY NIGHT...Partly cloudy. Lows 21 to 27. .MONDAY...Partly cloudy. Highs in the lower to mid 60s. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly cloudy. Lows 31 to 40. Highs in the mid 60s to lower 70s. .WEDNESDAY...Mostly cloudy with a 30 percent chance of rain. Highs in the lower to mid 60s. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Lows 26 to 32. Chance of precipitation 40 percent. .THURSDAY...Mostly sunny with a 20 percent chance of snow. Highs near 60. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows near 30. Highs in the lower to mid 60s. $$ COZ042-220300- Northeast Weld County- Including Briggsdale, Grover, Pawnee Buttes, Raymer, and Stoneham 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs in the lower to mid 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Mostly clear. Lows 9 to 13. .SUNDAY...Mostly sunny. Highs in the 40s. .SUNDAY NIGHT...Mostly clear. Lows 13 to 19. .MONDAY...Partly cloudy. Highs near 60. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 27 to 35. Highs in the mid to upper 60s. .TUESDAY NIGHT...Mostly cloudy. Lows 34 to 42. .WEDNESDAY...Mostly cloudy with a 20 percent chance of rain. Very windy. Highs near 60. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain and snow. Lows in the mid to upper 20s. Chance of precipitation 30 percent. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Windy. Highs near 60. Lows 27 to 35. .FRIDAY...Mostly sunny. Windy. Highs in the 60s. $$ COZ043-044-220300- Central and South Weld County-Morgan County- Including Eaton, Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, and Wiggins 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs in the mid 40s. Northwest winds 10 to 15 mph in the morning, becoming light. .TONIGHT...Mostly clear. Lows 9 to 15. .SUNDAY...Mostly sunny. Highs in the upper 40s. .SUNDAY NIGHT...Mostly clear. Lows 13 to 21. .MONDAY...Partly cloudy. Highs in the lower to mid 60s. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 26 to 32. Highs in the upper 60s. .TUESDAY NIGHT...Mostly cloudy. Lows 33 to 39. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain. Windy. Highs in the mid 60s. Lows in the mid to upper 20s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the lower 60s. Lows 26 to 32. .FRIDAY...Mostly sunny. Highs in the upper 60s. $$ COZ048-050-051-220300- Logan County-Sedgwick County-Phillips County- Including Crook, Merino, Sterling, Peetz, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs near 40. Northwest winds 10 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly clear. Lows 7 to 11. .SUNDAY...Mostly sunny. Highs 41 to 47. Southeast winds 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 13 to 17. Southeast winds 10 to 15 mph. .MONDAY...Partly cloudy. Highs 56 to 62. Southwest winds 10 to 15 mph with gusts up to 20 mph. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows near 30. Highs in the upper 60s. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 30s to lower 40s. .WEDNESDAY...Mostly cloudy with a 20 percent chance of rain. Windy. Highs in the lower 60s. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of rain and snow. Colder. Lows in the mid to upper 20s. Chance of precipitation 20 percent. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the lower 60s. Lows near 30. .FRIDAY...Mostly sunny. Windy. Highs in the upper 60s. $$ COZ045-049-220300- Central and East Adams and Arapahoe Counties-Washington County- Including Bennett, Byers, Deer Trail, Leader, Akron, Cope, Last Chance, and Otis 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs in the lower to mid 40s. Northwest winds 10 to 15 mph with gusts up to 35 mph. .TONIGHT...Mostly clear. Lows 11 to 17. .SUNDAY...Mostly sunny. Highs 45 to 51. Southeast winds 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 17 to 23. South winds 10 to 15 mph with gusts up to 20 mph. .MONDAY...Partly cloudy. Highs in the lower to mid 60s. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows near 30. Highs in the upper 60s. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid to upper 30s. .WEDNESDAY...Mostly cloudy with a 10 percent chance of rain. Windy. Highs in the lower to mid 60s. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Lows in the mid 20s to lower 30s. Chance of precipitation 30 percent. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 60. Lows near 30. .FRIDAY...Mostly sunny. Highs in the upper 60s. $$ COZ046-047-220300- North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- Including Agate, Hugo, Limon, Matheson, Forder, Karval, Kutch, and Punkin Center 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs in the lower 40s. .TONIGHT...Mostly clear. Lows 10 to 16. .SUNDAY...Mostly sunny. Highs 42 to 48. South winds 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 12 to 22. .MONDAY...Partly cloudy. Highs 57 to 63. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 25 to 33. Highs in the upper 60s. .TUESDAY NIGHT...Mostly cloudy. Lows 31 to 37. .WEDNESDAY...Mostly cloudy with a 10 percent chance of rain. Highs in the mid to upper 60s. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain and snow. Lows 24 to 30. Chance of precipitation 30 percent. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the upper 50s. Lows 25 to 31. .FRIDAY...Mostly sunny. Highs in the upper 60s. $$ COZ035-220300- Larimer and Boulder Counties Between 6000 and 9000 Feet- Including Estes Park, Glendevey, Nederland, and Red Feather Lakes 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny with patchy blowing snow. Highs 29 to 39. West winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Partly cloudy. Lows 11 to 19. .SUNDAY...Partly cloudy. Highs 39 to 47. .SUNDAY NIGHT...Partly cloudy. Lows 21 to 27. .MONDAY...Partly cloudy. Highs 47 to 57. West winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 29 to 37. Highs 48 to 58. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Windy. Lows 33 to 41. Chance of precipitation 30 percent. .WEDNESDAY...Snow likely and chance of rain. Windy. Highs 43 to 53. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of snow and rain. Windy, colder. Lows 23 to 31. Chance of precipitation 40 percent. .THURSDAY...Partly cloudy with a 20 percent chance of snow. Windy. Highs 41 to 51. .THURSDAY NIGHT...Mostly clear with a 20 percent chance of snow. Windy. Lows 28 to 36. .FRIDAY...Mostly sunny with a 10 percent chance of snow. Very windy. Highs 45 to 55. $$ COZ036-220300- 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 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs 34 to 44. .TONIGHT...Mostly clear. Lows 12 to 20. .SUNDAY...Partly cloudy. Highs 43 to 53. .SUNDAY NIGHT...Partly cloudy. Lows 21 to 29. .MONDAY...Mostly cloudy. Highs 52 to 62. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 28 to 36. Highs 55 to 65. .TUESDAY NIGHT...Mostly cloudy with a 10 percent chance of rain. Lows 34 to 42. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Highs 51 to 61. Lows 25 to 33. Chance of precipitation 40 percent. .THURSDAY...Partly cloudy with a 20 percent chance of snow. Highs 48 to 58. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 28 to 36. Highs 52 to 62. $$ COZ030-032-220300- Jackson County Below 9000 Feet- Grand and Summit Counties Below 9000 Feet- Including Gould, North Park, Rand, Spicer, Walden, Dillon, Fraser, Granby, Grand Lake, Hot Sulphur Springs, and Kremmling 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs 25 to 31. West winds 10 to 15 mph in the afternoon. .TONIGHT...Mostly clear. Lows 1 below to 7 above zero. .SUNDAY...Partly cloudy. Highs 35 to 41. .SUNDAY NIGHT...Partly cloudy. Lows 8 to 16. .MONDAY...Partly cloudy. Highs 41 to 47. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 17 to 25. Highs 42 to 48. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of snow. Lows near 30. .WEDNESDAY...Rain and snow likely. Windy. Highs 36 to 44. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Colder. Lows 16 to 22. .THURSDAY...Mostly cloudy with a 30 percent chance of snow. Highs 36 to 42. .THURSDAY NIGHT AND FRIDAY...Partly cloudy with a 20 percent chance of snow. Lows 18 to 24. Highs 40 to 46. $$ COZ037-220300- Central and Southeast Park County- Including Fairplay, Hartsel, Lake George, and South Park 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Highs 29 to 37. Northwest winds 10 to 15 mph in the afternoon. .TONIGHT...Mostly clear. Lows 5 to 13. .SUNDAY...Mostly sunny. Highs 40 to 48. .SUNDAY NIGHT...Partly cloudy. Lows 14 to 22. .MONDAY...Partly cloudy. Highs 47 to 55. .MONDAY NIGHT...Mostly cloudy. Lows 22 to 28. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 48 to 58. Lows near 30. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of snow. Very windy. Highs 44 to 54. Lows 22 to 28. .THURSDAY...Mostly sunny with a 10 percent chance of snow. Windy. Highs 42 to 52. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Windy. Lows in the 20s. Highs 45 to 55. $$ COZ031-220300- West Jackson and West Grand Counties Above 9000 Feet- Including Mt Zirkel 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny with patchy blowing snow. Highs 17 to 27. West winds 10 to 15 mph with gusts up to 30 mph. Wind chill readings 5 below to 15 below zero in the morning. .TONIGHT...Partly cloudy. Lows zero to 10 above. Southwest winds 10 to 15 mph in the evening, becoming light. .SUNDAY...Partly cloudy. Not as cold. Highs 28 to 38. Southwest winds 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 10 to 18. .MONDAY...Partly cloudy. Highs 33 to 43. Southwest winds 10 to 15 mph with gusts up to 30 mph. .MONDAY NIGHT...Mostly cloudy. Lows 16 to 26. .TUESDAY...Mostly cloudy with a 10 percent chance of snow. Highs 33 to 43. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Lows 25 to 33. .WEDNESDAY...Snow, windy. Highs 28 to 38. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Colder. Lows 13 to 21. .THURSDAY...Mostly cloudy with a 40 percent chance of snow. Windy. Highs 28 to 38. .THURSDAY NIGHT AND FRIDAY...Partly cloudy with a 20 percent chance of snow. Windy. Lows 17 to 25. Highs 31 to 41. $$ COZ033-220300- 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 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Patchy blowing snow until late afternoon. Visibility one quarter mile or less at times in the morning. Highs 15 to 25. West winds 10 to 15 mph with gusts up to 30 mph. Wind chill readings 10 below to 20 below zero in the morning. .TONIGHT...Mostly clear. Lows 1 to 11. Southwest winds 10 to 15 mph with gusts up to 20 mph. Wind chill readings 5 below to 15 below zero after midnight. .SUNDAY...Mostly sunny. Not as cold. Highs 27 to 37. .SUNDAY NIGHT...Partly cloudy. Lows 10 to 20. .MONDAY...Partly cloudy. Highs 32 to 42. Southwest winds 10 to 15 mph with gusts up to 30 mph. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 16 to 26. Highs 32 to 42. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Windy. Lows 22 to 32. .WEDNESDAY...Snow, windy. Highs 27 to 37. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Windy, colder. Lows 11 to 21. .THURSDAY...Mostly cloudy with a 30 percent chance of snow. Windy. Highs 26 to 36. .THURSDAY NIGHT AND FRIDAY...Partly cloudy with a 20 percent chance of snow. Windy. Lows 16 to 26. Highs 30 to 40. $$ COZ034-220300- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Blue Sky, Williams Fork Mountains, and Winter Park 605 AM MST Sat Feb 21 2026 .TODAY...Mostly sunny. Patchy blowing snow. Visibility one quarter mile or less at times in the morning. Highs 17 to 27. West winds 10 to 15 mph with gusts up to 35 mph. Wind chill readings 10 below to 20 below zero in the morning. .TONIGHT...Mostly clear. Lows 1 to 11. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY...Mostly sunny. Not as cold. Highs 29 to 39. West winds 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 10 to 20. West winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Partly cloudy. Highs 35 to 45. West winds 10 to 15 mph with gusts up to 30 mph. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 16 to 26. Highs 36 to 46. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of snow. Windy. Lows 22 to 32. .WEDNESDAY...Snow likely. Very windy. Highs 31 to 41. Chance of snow 70 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Windy. Lows 14 to 24. .THURSDAY...Partly cloudy with a 40 percent chance of snow. Windy. Highs 29 to 39. .THURSDAY NIGHT AND FRIDAY...Partly cloudy with a 20 percent chance of snow. Windy. Lows 16 to 26. Highs 33 to 43. $$