FPUS55 KBOU 220106 ZFPBOU Zone Forecast Product for Northeast Colorado National Weather Service Denver/Boulder CO 605 PM MST Sat Feb 21 2026 COZ038-221200- Larimer County Below 6000 Feet/Northwest Weld County- Including Fort Collins, Hereford, Loveland, and Nunn 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 8 to 14. .SUNDAY...Mostly sunny. Highs 41 to 47. .SUNDAY NIGHT...Mostly clear. Lows 15 to 23. .MONDAY...Partly cloudy. Highs near 60. .MONDAY NIGHT...Mostly cloudy. Lows 29 to 35. .TUESDAY...Mostly cloudy. 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 57 to 63. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Lows in the mid 20s to lower 30s. Chance of precipitation 40 percent. .THURSDAY THROUGH FRIDAY...Mostly clear. Windy. Highs 55 to 65. Lows near 30. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows near 30. Highs 55 to 61. $$ COZ039-221200- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including Arvada, Boulder, Golden, Lakewood, and Longmont 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 14 to 20. .SUNDAY...Mostly sunny. Highs in the upper 40s. .SUNDAY NIGHT...Mostly clear. Lows 23 to 29. .MONDAY...Partly cloudy. Highs in the lower to mid 60s. .MONDAY NIGHT...Mostly cloudy. Lows in the mid to upper 30s. .TUESDAY...Mostly cloudy. Highs in the mid 60s to lower 70s. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the lower to mid 40s. .WEDNESDAY...Mostly cloudy with a 40 percent chance of rain. Highs in the lower to mid 60s. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Lows in the lower to mid 30s. Chance of precipitation 50 percent. .THURSDAY...Mostly sunny with a slight chance of rain and snow. Highs near 60. Chance of precipitation 20 percent. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the 30s. Highs in the lower to mid 60s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the 30s. Highs near 60. $$ COZ040-221200- 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 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 15 to 19. .SUNDAY...Mostly sunny. Highs around 50. .SUNDAY NIGHT...Mostly clear. Lows 22 to 28. .MONDAY...Partly cloudy. Highs in the mid 60s. .MONDAY NIGHT...Mostly cloudy. Lows in the 30s. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs around 70. Lows in the lower 40s. .WEDNESDAY...Mostly cloudy with a 30 percent chance of rain. Highs in the mid 60s. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Lows in the lower to mid 30s. Chance of precipitation 40 percent. .THURSDAY...Mostly sunny with a slight chance of rain and snow. Highs in the lower 60s. Chance of precipitation 20 percent. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows in the lower to mid 30s. Highs in the mid 60s. .SATURDAY...Partly cloudy. Highs in the lower 60s. $$ COZ041-221200- Elbert/Central and East Douglas Counties Above 6000 Feet- Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 14 to 18. .SUNDAY...Mostly sunny. Highs 45 to 51. .SUNDAY NIGHT...Mostly clear. Lows 21 to 27. South winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light. .MONDAY...Partly cloudy. Highs near 60. .MONDAY NIGHT...Mostly cloudy. Lows in the lower to mid 30s. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs in the mid 60s to lower 70s. Lows 34 to 40. .WEDNESDAY...Mostly cloudy with a 30 percent chance of rain. Highs in the lower to mid 60s. .WEDNESDAY NIGHT...Mostly cloudy with a chance of snow and rain. Lows 25 to 31. Chance of precipitation 40 percent. .THURSDAY...Mostly sunny with a 20 percent chance of snow. Highs in the mid 50s to lower 60s. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 28 to 33. Highs in the lower to mid 60s. .SATURDAY...Partly cloudy. Highs near 60. $$ COZ042-221200- Northeast Weld County- Including Briggsdale, Grover, Pawnee Buttes, Raymer, and Stoneham 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 8 to 12. .SUNDAY...Mostly sunny. Highs in the lower to mid 40s. .SUNDAY NIGHT...Mostly clear. Lows 13 to 19. .MONDAY...Mostly sunny. Highs near 60. .MONDAY NIGHT...Mostly cloudy. Lows 27 to 35. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs in the mid to upper 60s. Lows 35 to 41. .WEDNESDAY...Mostly cloudy with a 20 percent chance of rain. Very windy. Highs in the lower to mid 60s. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain and snow. Windy. Lows in the mid to upper 20s. Chance of precipitation 30 percent. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Very windy. Highs near 60. Lows 27 to 35. .FRIDAY...Mostly sunny. Very windy. Highs in the lower to mid 60s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Windy. Lows 26 to 32. Highs 55 to 61. $$ COZ043-044-221200- Central and South Weld County-Morgan County- Including Eaton, Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, and Wiggins 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 8 to 14. .SUNDAY...Mostly sunny. Highs in the mid 40s to lower 50s. .SUNDAY NIGHT...Mostly clear. Lows 13 to 21. .MONDAY...Partly cloudy. Highs near 60. .MONDAY NIGHT...Mostly cloudy. Lows 24 to 32. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs in the upper 60s. Lows 33 to 39. .WEDNESDAY...Mostly cloudy with a 10 percent chance of rain. Highs in the mid 60s. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Lows 24 to 30. Chance of precipitation 40 percent. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs in the lower to mid 60s. Lows 25 to 31. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 25 to 31. Highs in the lower 60s. $$ COZ048-050-051-221200- Logan County-Sedgwick County-Phillips County- Including Crook, Merino, Sterling, Peetz, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 6 to 10. .SUNDAY...Mostly sunny. Highs 40 to 46. .SUNDAY NIGHT...Mostly clear. Lows 12 to 16. Southeast winds 10 to 15 mph. .MONDAY...Mostly sunny. Highs near 60. Southwest winds 10 to 15 mph. .MONDAY NIGHT...Mostly cloudy. Lows near 30. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs in the upper 60s. Lows 33 to 39. .WEDNESDAY...Mostly cloudy with a 20 percent chance of rain. Very windy. Highs in the lower to mid 60s. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain and snow. Lows in the mid 20s. Chance of precipitation 30 percent. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Windy. Highs in the lower 60s. Lows near 30. .FRIDAY...Mostly sunny. Windy. Highs in the mid 60s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 20s to lower 30s. Highs in the mid to upper 50s. $$ COZ045-049-221200- Central and East Adams and Arapahoe Counties-Washington County- Including Bennett, Byers, Deer Trail, Leader, Akron, Cope, Last Chance, and Otis 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 11 to 15. .SUNDAY...Mostly sunny. Highs 45 to 51. Southeast winds 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 17 to 23. South winds 10 to 15 mph with gusts up to 20 mph. .MONDAY...Mostly sunny. Highs in the lower to mid 60s. .MONDAY NIGHT...Mostly cloudy. Lows 28 to 34. Southwest winds 10 to 15 mph. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs near 70. Lows in the mid to upper 30s. .WEDNESDAY...Mostly cloudy with a 10 percent chance of rain. Highs in the mid 60s. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Lows in the mid 20s to lower 30s. Chance of precipitation 30 percent. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 60. Lows near 30. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows near 30. .SATURDAY...Partly cloudy. Highs near 60. $$ COZ046-047-221200- 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 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 9 to 15. .SUNDAY...Mostly sunny. Highs 42 to 48. South winds 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 12 to 22. .MONDAY...Mostly sunny. Highs near 60. .MONDAY NIGHT...Partly cloudy. Lows 25 to 33. .TUESDAY THROUGH WEDNESDAY...Mostly cloudy. Highs 65 to 70. Lows 31 to 37. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Lows 23 to 29. Chance of precipitation 30 percent. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs around 60. Lows 25 to 31. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows 25 to 31. .SATURDAY...Partly cloudy. Highs around 60. $$ COZ035-221200- Larimer and Boulder Counties Between 6000 and 9000 Feet- Including Estes Park, Glendevey, Nederland, and Red Feather Lakes 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 10 to 18. .SUNDAY...Mostly sunny. Highs 39 to 45. .SUNDAY NIGHT...Mostly clear. Lows 20 to 28. West winds 10 to 15 mph with gusts up to 20 mph after midnight. .MONDAY...Partly cloudy. Highs 46 to 56. West winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Mostly cloudy. Lows 30 to 38. West winds 10 to 15 mph with gusts up to 35 mph. .TUESDAY...Mostly cloudy. Highs 48 to 58. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow. Lows 34 to 42. Chance of precipitation 30 percent. .WEDNESDAY...Snow likely and chance of rain. Windy. Highs 43 to 53. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of snow and rain. Colder. Lows 24 to 32. Chance of precipitation 50 percent. .THURSDAY...Mostly sunny with a 20 percent chance of snow. Windy. Highs 41 to 51. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Windy. Lows 28 to 36. Highs 44 to 54. .FRIDAY NIGHT AND SATURDAY...Partly cloudy with a 20 percent chance of snow. Lows 28 to 36. Highs 44 to 54. $$ COZ036-221200- 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 MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 12 to 20. .SUNDAY...Mostly sunny. Highs 42 to 50. .SUNDAY NIGHT...Partly cloudy. Lows 21 to 29. .MONDAY...Partly cloudy. Highs 50 to 60. .MONDAY NIGHT...Mostly cloudy. Lows 29 to 37. .TUESDAY...Mostly cloudy. Highs 55 to 65. .TUESDAY NIGHT...Mostly cloudy with a 10 percent chance of rain. Lows 34 to 42. .WEDNESDAY...Mostly cloudy with a chance of rain and snow. Highs 51 to 61. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of snow and rain. Lows 25 to 33. Chance of precipitation 50 percent. .THURSDAY...Mostly sunny with a 20 percent chance of snow. Highs 47 to 57. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 27 to 35. Highs 50 to 60. .SATURDAY...Partly cloudy. Highs 50 to 60. $$ COZ030-032-221200- Jackson County Below 9000 Feet- Grand and Summit Counties Below 9000 Feet- Including Gould, North Park, Rand, Spicer, Walden, Dillon, Fraser, Granby, Grand Lake, Hot Sulphur Springs, and Kremmling 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 1 below to 7 above zero. .SUNDAY...Mostly sunny. Highs in the mid to upper 30s. .SUNDAY NIGHT...Mostly clear. Lows 8 to 16. .MONDAY...Partly cloudy. Highs in the lower to mid 40s. .MONDAY NIGHT...Mostly cloudy. Lows 16 to 24. .TUESDAY...Mostly cloudy. Highs 42 to 48. .TUESDAY NIGHT...Mostly cloudy with a chance of snow and rain. Lows near 30. Chance of precipitation 40 percent. .WEDNESDAY...Snow with rain likely. Highs 36 to 44. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Colder. Lows 16 to 22. .THURSDAY...Partly cloudy with a 20 percent chance of snow. Highs 35 to 43. .THURSDAY NIGHT...Mostly clear. Lows 18 to 24. .FRIDAY...Partly cloudy with a 20 percent chance of snow. Highs 40 to 46. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of snow. Lows 21 to 27. .SATURDAY...Partly cloudy with a 20 percent chance of snow. Highs 41 to 47. $$ COZ037-221200- Central and Southeast Park County- Including Fairplay, Hartsel, Lake George, and South Park 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows 4 to 12. .SUNDAY...Mostly sunny. Highs 40 to 46. .SUNDAY NIGHT...Partly cloudy. Lows 14 to 22. .MONDAY...Partly cloudy. Highs 45 to 53. .MONDAY NIGHT...Partly cloudy. Lows 21 to 27. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 48 to 58. Lows near 30. .WEDNESDAY...Mostly cloudy with a chance of rain and snow. Windy. Highs 44 to 54. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of snow. Lows 22 to 28. .THURSDAY THROUGH SATURDAY...Mostly clear. Windy. Highs 43 to 53. Lows 22 to 28. $$ COZ031-221200- West Jackson and West Grand Counties Above 9000 Feet- Including Mt Zirkel 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows zero to 10 above. Southwest winds 10 to 15 mph in the evening, becoming light. .SUNDAY...Mostly sunny. Highs 27 to 37. Southwest winds 10 to 15 mph with gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 9 to 17. .MONDAY...Partly cloudy. Highs 33 to 43. Southwest winds 10 to 15 mph with gusts up to 30 mph. .MONDAY NIGHT...Mostly cloudy. Lows 16 to 26. Southwest winds 10 to 15 mph with gusts up to 30 mph. .TUESDAY...Mostly cloudy with a 20 percent chance of snow. Highs 33 to 43. .TUESDAY NIGHT...Snow likely. Lows 25 to 33. Chance of snow 70 percent. .WEDNESDAY...Snow, windy. Highs 29 to 39. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Colder. Lows 14 to 22. .THURSDAY...Partly cloudy with a 30 percent chance of snow. Highs 28 to 38. .THURSDAY NIGHT...Mostly clear with a 10 percent chance of snow. Lows 16 to 24. .FRIDAY AND FRIDAY NIGHT...Partly cloudy with a 20 percent chance of snow. Windy. Highs 31 to 41. Lows 19 to 27. .SATURDAY...Partly cloudy with a 30 percent chance of snow. Highs 33 to 43. $$ COZ033-221200- 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 MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows zero to 10 above. Southwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill readings 5 below to 15 below zero after midnight. .SUNDAY...Mostly sunny. Highs 26 to 36. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear. Lows 9 to 19. Southwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Partly cloudy. Highs 32 to 42. Southwest winds 10 to 15 mph with gusts up to 30 mph. .MONDAY NIGHT...Mostly cloudy. Lows 17 to 27. West winds 10 to 15 mph with gusts up to 40 mph. .TUESDAY...Mostly cloudy. Highs 32 to 42. .TUESDAY NIGHT...Snow likely. Lows 23 to 33. Chance of snow 60 percent. .WEDNESDAY...Snow. Highs 27 to 37. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Colder. Lows 12 to 22. .THURSDAY...Partly cloudy with a 30 percent chance of snow. Highs 26 to 36. .THURSDAY NIGHT...Mostly clear with a 10 percent chance of snow. Lows 15 to 25. .FRIDAY THROUGH SATURDAY...Partly cloudy with a 20 percent chance of snow. Highs 30 to 40. Lows 17 to 27. $$ COZ034-221200- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Blue Sky, Williams Fork Mountains, and Winter Park 605 PM MST Sat Feb 21 2026 .TONIGHT...Mostly clear. Lows zero to 10 above. West winds 10 to 15 mph. .SUNDAY...Mostly sunny. Highs 28 to 38. West winds 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 10 to 20. West winds 10 to 15 mph after midnight. .MONDAY...Partly cloudy. Highs 34 to 44. West winds 10 to 15 mph with gusts up to 30 mph. .MONDAY NIGHT...Partly cloudy. Lows 17 to 27. West winds 10 to 15 mph with gusts up to 40 mph. .TUESDAY...Partly cloudy. Windy. Highs 36 to 46. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Lows 23 to 33. .WEDNESDAY...Snow likely. Windy. Highs 31 to 41. Chance of snow 70 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Windy, colder. Lows 14 to 24. .THURSDAY...Partly cloudy with a 30 percent chance of snow. Windy. Highs 29 to 39. .THURSDAY NIGHT...Mostly clear. Lows 16 to 26. .FRIDAY...Partly cloudy with a 20 percent chance of snow. Windy. Highs 32 to 42. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of snow. Lows 17 to 27. .SATURDAY...Partly cloudy with a 20 percent chance of snow. Highs 34 to 44. $$