FPUS55 KBOU 150649 ZFPBOU Zone Forecast Product for Northeast Colorado National Weather Service Denver/Boulder CO 1249 AM MDT Sun Mar 15 2026 COZ038-152100- Larimer County Below 6000 Feet/Northwest Weld County- Including Fort Collins, Hereford, Loveland, and Nunn 1249 AM MDT Sun Mar 15 2026 .REST OF TONIGHT...Snow likely and patchy blowing snow. Very windy. Little or no snow accumulation. Lows 13 to 23. North winds 25 to 35 mph with gusts up to 55 mph. Chance of snow 70 percent. .SUNDAY...Partly cloudy in the morning, then becoming mostly cloudy. A 20 percent chance of snow. Patchy blowing dust. Very windy. Highs 27 to 35. North winds 30 to 40 mph with gusts up to 55 mph. .SUNDAY NIGHT...Partly cloudy. Lows 10 to 16. North winds 20 to 25 mph with gusts up to 45 mph in the evening, becoming light. .MONDAY...Mostly cloudy. Highs near 50. Southwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Mostly cloudy. Not as cold. Lows 32 to 38. West winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Windy. Highs 68 to 74. Lows 41 to 47. .WEDNESDAY THROUGH SATURDAY...Mostly clear. Highs 76 to 85. Lows 42 to 49. $$ COZ039-152100- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including Arvada, Boulder, Golden, Lakewood, and Longmont 1249 AM MDT Sun Mar 15 2026 .REST OF TONIGHT...Rain after midnight. Snow and patchy blowing snow. Little or no snow accumulation. Lows in the mid 20s. North winds 15 to 25 mph with gusts up to 40 mph. .SUNDAY...Mostly cloudy. Chance of snow in the morning, then a slight chance of snow in the afternoon. Windy. Highs in the lower to mid 30s. North winds 20 to 30 mph with gusts up to 40 mph. Chance of snow 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows 15 to 19. Northeast winds 10 to 15 mph with gusts up to 25 mph in the evening, becoming light. .MONDAY...Partly cloudy. Highs in the lower to mid 50s. .MONDAY NIGHT...Partly cloudy. Lows 36 to 42. West winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs near 70. Lows 43 to 49. .WEDNESDAY THROUGH SATURDAY...Mostly clear. Highs 77 to 85. Lows 45 to 51. $$ COZ040-152100- 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 1249 AM MDT Sun Mar 15 2026 ...HIGH WIND WARNING IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... .REST OF TONIGHT...Patchy blowing snow. Rain and snow after midnight, then snow towards sunrise. Windy. Little or no snow accumulation. Lows 20 to 26. North winds 20 to 30 mph with gusts up to 45 mph. .SUNDAY...Mostly cloudy. Chance of snow in the morning, then a slight chance of snow in the afternoon. Very windy. Highs in the lower to mid 30s. North winds 25 to 35 mph with gusts up to 50 mph. Chance of snow 30 percent. .SUNDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 15 to 19. Northeast winds 10 to 15 mph with gusts up to 30 mph in the evening, becoming light. .MONDAY...Partly cloudy. Highs in the lower to mid 50s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the lower 70s. Lows in the 40s. .WEDNESDAY THROUGH SATURDAY...Mostly clear. Highs 78 to 85. Lows 44 to 50. $$ COZ041-152100- Elbert/Central and East Douglas Counties Above 6000 Feet- Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur 1249 AM MDT Sun Mar 15 2026 ...HIGH WIND WARNING IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... .REST OF TONIGHT...Patchy blowing snow. Rain and snow after midnight, then snow towards sunrise. Windy. Little or no snow accumulation. Lows 14 to 20. Northwest winds 20 to 30 mph with gusts up to 45 mph. .SUNDAY...Mostly cloudy with a 40 percent chance of snow. Very windy. Highs in the mid 20s to lower 30s. North winds 25 to 35 mph with gusts up to 55 mph. .SUNDAY NIGHT...Partly cloudy. Lows 10 to 16. North winds 10 to 15 mph with gusts up to 35 mph in the evening, becoming light. .MONDAY...Partly cloudy. Highs near 50. .MONDAY NIGHT...Partly cloudy. Not as cold. Lows 30 to 36. West winds 10 to 15 mph. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs near 70. Lows in the lower to mid 40s. .WEDNESDAY THROUGH SATURDAY...Mostly clear. Highs 75 to 82. Lows in the mid to upper 40s. $$ COZ042-152100- Northeast Weld County- Including Briggsdale, Grover, Pawnee Buttes, Raymer, and Stoneham 1249 AM MDT Sun Mar 15 2026 ...HIGH WIND WARNING IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... .REST OF TONIGHT...Mostly cloudy with a chance of snow and patchy blowing snow. Strong winds. Lows 14 to 18. North winds 35 to 45 mph with gusts up to 60 mph. Chance of snow 40 percent. .SUNDAY...Mostly cloudy. Patchy blowing dust through the day. Slight chance of snow in the afternoon. Strong winds. Highs near 30. North winds 30 to 45 mph, diminishing to 25 to 35 mph in the afternoon. Gusts up to 60 mph. Chance of snow 20 percent. .SUNDAY NIGHT...Patchy blowing dust in the evening. Partly cloudy. Lows around 11. North winds 15 to 25 mph with gusts up to 45 mph in the evening, becoming light. .MONDAY...Partly cloudy. Highs near 50. .MONDAY NIGHT...Mostly cloudy. Not as cold. Lows 29 to 35. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Windy. Highs in the lower to mid 70s. Lows 39 to 45. .WEDNESDAY THROUGH SATURDAY...Mostly clear. Highs 78 to 84. Lows 41 to 49. $$ COZ043-044-152100- Central and South Weld County-Morgan County- Including Eaton, Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, and Wiggins 1249 AM MDT Sun Mar 15 2026 ...HIGH WIND WARNING IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... .REST OF TONIGHT...Rain likely after midnight. Snow likely and patchy blowing snow. Very windy. Little or no snow accumulation. Lows 15 to 23. North winds 25 to 35 mph with gusts up to 55 mph. Chance of precipitation 60 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of snow. Patchy blowing dust. Very windy. Highs in the mid 30s. North winds 30 to 40 mph with gusts up to 60 mph. .SUNDAY NIGHT...Partly cloudy. Lows 11 to 15. North winds 10 to 20 mph with gusts up to 45 mph in the evening, becoming light. .MONDAY...Partly cloudy. Highs around 50. .MONDAY NIGHT...Partly cloudy. Lows 27 to 33. .TUESDAY...Partly cloudy. Warmer. Highs in the lower to mid 70s. .TUESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 36 to 45. Highs 80 to 85. $$ COZ048-050-051-152100- Logan County-Sedgwick County-Phillips County- Including Crook, Merino, Sterling, Peetz, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 1249 AM MDT Sun Mar 15 2026 ...HIGH WIND WARNING IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... .REST OF TONIGHT...Chance of rain after midnight. Mostly cloudy with a chance of snow. Very windy. Lows around 17. Northwest winds 30 to 40 mph with gusts up to 55 mph. Chance of precipitation 40 percent. .SUNDAY...Mostly cloudy. Patchy blowing dust through the day. Slight chance of snow in the afternoon. Strong winds. Highs in the lower 30s. North winds 35 to 45 mph, diminishing to 25 to 40 mph in the afternoon. Gusts up to 60 mph. Chance of snow 20 percent. .SUNDAY NIGHT...Patchy blowing dust in the evening. Mostly clear. Lows 6 to 12. Northwest winds 15 to 25 mph. Gusts up to 45 mph in the evening. .MONDAY...Partly cloudy. Highs in the mid to upper 40s. .MONDAY NIGHT...Mostly cloudy. Not as cold. Lows 26 to 32. .TUESDAY...Partly cloudy. Warmer. Highs in the lower to mid 70s. .TUESDAY NIGHT...Mostly clear. Lows near 40. .WEDNESDAY...Partly cloudy. Highs near 80. .WEDNESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 40 to 47. Highs 79 to 84. $$ COZ045-049-152100- Central and East Adams and Arapahoe Counties-Washington County- Including Bennett, Byers, Deer Trail, Leader, Akron, Cope, Last Chance, and Otis 1249 AM MDT Sun Mar 15 2026 ...HIGH WIND WARNING IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... .REST OF TONIGHT...Patchy blowing snow. Rain likely and slight chance of snow after midnight, then snow likely towards sunrise. Very windy. Little or no snow accumulation. Lows around 18. North winds 25 to 35 mph with gusts up to 55 mph. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of snow. Patchy blowing dust. Strong winds. Highs in the lower to mid 30s. North winds 35 to 45 mph, diminishing to 25 to 40 mph in the afternoon. Gusts up to 60 mph. .SUNDAY NIGHT...Patchy blowing dust in the evening. Partly cloudy. Lows 11 to 15. North winds 20 to 25 mph with gusts up to 45 mph in the evening, becoming light. .MONDAY...Partly cloudy. Highs near 50. .MONDAY NIGHT...Partly cloudy. Not as cold. Lows 28 to 34. Southwest winds 10 to 15 mph. .TUESDAY...Partly cloudy. Warmer. Highs in the lower to mid 70s. .TUESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 39 to 47. Highs in the lower 80s. $$ COZ046-047-152100- 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 1249 AM MDT Sun Mar 15 2026 ...HIGH WIND WARNING IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON... .REST OF TONIGHT...Patchy blowing snow. Rain likely and slight chance of snow after midnight, then snow likely towards sunrise. Very windy. Little or no snow accumulation. Lows 14 to 22. North winds 25 to 35 mph with gusts up to 55 mph. Chance of precipitation 60 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of snow. Patchy blowing dust. Strong winds. Highs 29 to 35. North winds 30 to 45 mph with gusts up to 65 mph. .SUNDAY NIGHT...Patchy blowing dust in the evening. Partly cloudy. Lows 7 to 13. North winds 10 to 20 mph with gusts up to 45 mph in the evening, becoming light. .MONDAY...Partly cloudy. Highs near 50. Southwest winds 10 to 15 mph with gusts up to 20 mph. .MONDAY NIGHT...Partly cloudy. Lows 24 to 32. .TUESDAY...Partly cloudy. Warmer. Highs in the lower to mid 70s. .TUESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 37 to 47. Highs 78 to 84. $$ COZ035-152100- Larimer and Boulder Counties Between 6000 and 9000 Feet- Including Estes Park, Glendevey, Nederland, and Red Feather Lakes 1249 AM MDT Sun Mar 15 2026 .REST OF TONIGHT...Snow and patchy blowing snow. Windy. Snow accumulation of 1 to 2 inches. Lows 10 to 20. Northwest winds 20 to 30 mph with gusts up to 55 mph. .SUNDAY...Patchy blowing snow in the morning. Mostly cloudy with a chance of snow. Windy. Highs 19 to 29. Northwest winds 20 to 30 mph with gusts up to 45 mph. Chance of snow 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows 11 to 17. Northwest winds 10 to 15 mph with gusts up to 35 mph in the evening, becoming light. .MONDAY...Mostly cloudy. Highs 38 to 48. West winds 10 to 20 mph with gusts up to 35 mph. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of snow. Not as cold. Lows 32 to 40. West winds 15 to 25 mph with gusts up to 40 mph. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Windy. Highs 53 to 63. Lows 39 to 49. .WEDNESDAY THROUGH SATURDAY...Mostly clear. Highs 65 to 75. Lows 40 to 50. $$ COZ036-152100- 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 1249 AM MDT Sun Mar 15 2026 .REST OF TONIGHT...Rain after midnight. Snow and patchy blowing snow. Snow accumulation up to 2 inches. Lows 13 to 23. Northwest winds 15 to 25 mph with gusts up to 40 mph. .SUNDAY...Mostly cloudy with a 40 percent chance of snow. Highs 21 to 29. North winds 15 to 25 mph with gusts up to 35 mph. .SUNDAY NIGHT...Partly cloudy. Lows 10 to 18. North winds 10 to 15 mph with gusts up to 25 mph in the evening, becoming light. .MONDAY...Partly cloudy. Highs 42 to 52. Northwest winds 10 to 15 mph with gusts up to 20 mph. .MONDAY NIGHT...Partly cloudy. Not as cold. Lows 30 to 38. West winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Partly cloudy. Warmer. Highs 57 to 67. .TUESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 38 to 48. Highs 68 to 78. $$ COZ030-032-152100- Jackson County Below 9000 Feet- Grand and Summit Counties Below 9000 Feet- Including Gould, North Park, Rand, Spicer, Walden, Dillon, Fraser, Granby, Grand Lake, Hot Sulphur Springs, and Kremmling 1249 AM MDT Sun Mar 15 2026 .REST OF TONIGHT...Snow and patchy blowing snow. Windy. Snow accumulation of 1 to 2 inches. Lows 9 to 15. Northwest winds 20 to 30 mph with gusts up to 55 mph. .SUNDAY...Mostly cloudy. Chance of snow in the morning, then a slight chance of snow and patchy blowing snow in the afternoon. Highs 19 to 25. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of snow 30 percent. .SUNDAY NIGHT...Partly cloudy. Patchy blowing snow in the evening. Lows 10 to 14. West winds 10 to 15 mph. .MONDAY...Mostly cloudy with a 10 percent chance of snow. Not as cold. Highs 35 to 41. West winds 10 to 15 mph with gusts up to 35 mph. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Not as cold. Lows near 30. West winds 10 to 15 mph with gusts up to 30 mph. .TUESDAY...Partly cloudy. Highs 48 to 56. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 29 to 36. Highs 56 to 64. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 62 to 68. Lows in the lower to mid 30s. .FRIDAY AND FRIDAY NIGHT...Clear. Highs 63 to 69. Lows in the lower to mid 30s. .SATURDAY...Mostly sunny. Highs 65 to 71. $$ COZ037-152100- Central and Southeast Park County- Including Fairplay, Hartsel, Lake George, and South Park 1249 AM MDT Sun Mar 15 2026 .REST OF TONIGHT...Mostly cloudy with a chance of snow and patchy blowing snow. Windy. Lows 13 to 19. West winds 20 to 30 mph with gusts up to 50 mph. Chance of snow 50 percent. .SUNDAY...Partly cloudy with a 10 percent chance of snow. Windy. Highs 21 to 29. Northwest winds 20 to 30 mph with gusts up to 45 mph. .SUNDAY NIGHT...Mostly clear. Lows 12 to 18. Northwest winds 10 to 20 mph. Gusts up to 35 mph in the evening. .MONDAY...Partly cloudy. Highs 40 to 48. Northwest winds 20 to 25 mph with gusts up to 35 mph. .MONDAY NIGHT...Partly cloudy. Lows near 30. Northwest winds 10 to 20 mph with gusts up to 30 mph. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 51 to 61. Lows in the lower to mid 30s. .WEDNESDAY THROUGH SATURDAY...Mostly clear. Highs 62 to 72. Lows 31 to 39. $$ COZ031-152100- West Jackson and West Grand Counties Above 9000 Feet- Including Mt Zirkel 1249 AM MDT Sun Mar 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MDT THIS MORNING... .REST OF TONIGHT...Snow and areas of blowing snow. Very windy. Visibility one quarter mile or less at times. New snow accumulation of 1 to 3 inches. Lows 3 to 13. Northwest winds 25 to 35 mph with gusts up to 70 mph. .SUNDAY...Mostly cloudy with a chance of snow and patchy blowing snow. Windy. Highs 12 to 22. Northwest winds 20 to 30 mph with gusts up to 45 mph. Chance of snow 30 percent. Wind chill readings 10 below to 20 below zero. .SUNDAY NIGHT...Partly cloudy. Patchy blowing snow. Visibility one quarter mile or less at times in the evening. Lows 7 to 15. Northwest winds 20 to 25 mph with gusts up to 40 mph, becoming west 10 to 15 mph with gusts up to 30 mph after midnight. Wind chill readings 5 below to 15 below zero. .MONDAY...Mostly cloudy with a 30 percent chance of snow. Not as cold. Highs 28 to 38. West winds 15 to 25 mph with gusts up to 35 mph. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of snow. Lows 25 to 33. West winds 15 to 25 mph with gusts up to 35 mph. .TUESDAY...Partly cloudy with a 20 percent chance of snow. Windy. Highs 42 to 52. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 28 to 36. Highs 49 to 59. .THURSDAY...Sunny. Highs 54 to 64. .THURSDAY NIGHT...Mostly clear. Lows 29 to 37. .FRIDAY AND FRIDAY NIGHT...Clear. Highs 55 to 65. Lows 31 to 37. .SATURDAY...Mostly sunny. Highs 57 to 67. $$ COZ033-152100- 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 1249 AM MDT Sun Mar 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MDT THIS MORNING... .REST OF TONIGHT...Snow and areas of blowing snow. Very windy. Visibility one quarter mile or less at times. New snow accumulation of 1 to 3 inches. Lows zero to 10 above. Northwest winds 25 to 35 mph with gusts up to 60 mph. .SUNDAY...Mostly cloudy with a chance of snow and patchy blowing snow. Visibility one quarter mile or less at times. Highs 9 to 19. Northwest winds 15 to 25 mph with gusts up to 45 mph. Chance of snow 50 percent. Wind chill readings 15 below to 25 below zero. .SUNDAY NIGHT...Partly cloudy. Slight chance of snow and patchy blowing snow in the evening. Visibility one quarter mile or less at times in the evening. Lows 3 to 13. West winds 10 to 20 mph with gusts up to 35 mph. Chance of snow 10 percent. Wind chill readings 10 below to 20 below zero. .MONDAY...Mostly cloudy with a 30 percent chance of snow. Not as cold. Highs 25 to 35. West winds 20 to 25 mph with gusts up to 35 mph. .MONDAY NIGHT...Mostly cloudy with a 30 percent chance of snow. Lows 22 to 32. West winds 15 to 25 mph with gusts up to 40 mph. .TUESDAY...Partly cloudy with a 10 percent chance of snow. Highs 38 to 48. .TUESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 28 to 38. Highs 49 to 59. .FRIDAY...Sunny. Highs 52 to 62. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 28 to 38. Highs 54 to 64. $$ COZ034-152100- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Blue Sky, Williams Fork Mountains, and Winter Park 1249 AM MDT Sun Mar 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MDT THIS MORNING... .REST OF TONIGHT...Snow and blowing snow. Very windy. Visibility one quarter mile or less at times. New snow accumulation of 2 to 4 inches. Lows 2 to 12. West winds 30 to 40 mph with gusts up to 70 mph. .SUNDAY...Mostly cloudy with a chance of snow and patchy blowing snow. Windy. Visibility one quarter mile or less at times. Highs 9 to 19. Northwest winds 20 to 30 mph. Gusts up to 60 mph, decreasing to 50 mph in the afternoon. Chance of snow 40 percent. Wind chill readings 15 below to 25 below zero. .SUNDAY NIGHT...Slight chance of snow in the evening. Partly cloudy with patchy blowing snow. Visibility one quarter mile or less at times. Lows 4 to 14. West winds 15 to 25 mph with gusts up to 45 mph. Chance of snow 10 percent. Wind chill readings 5 below to 15 below zero. .MONDAY...Mostly cloudy with a 20 percent chance of snow. Not as cold. Highs 26 to 36. West winds 15 to 25 mph with gusts up to 45 mph. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Windy. Lows 21 to 31. West winds 20 to 30 mph with gusts up to 45 mph. .TUESDAY...Partly cloudy with a 10 percent chance of snow. Windy. Highs 39 to 49. .TUESDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 27 to 37. Highs 51 to 61. $$