Zone Forecast Product
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
727 FPUS55 KBOU 201205 ZFPBOU Zone Forecast Product for Northeast Colorado National Weather Service Denver/Boulder CO 605 AM MDT Wed May 20 2026 COZ038>040-210300- 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 AM MDT Wed May 20 2026 .TODAY...Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs in the mid 50s to lower 60s. Chance of rain 70 percent. .TONIGHT...Mostly cloudy with a chance of thunderstorms in the evening, then partly cloudy after midnight. Lows near 40. Chance of precipitation 50 percent. .THURSDAY...Showers likely and chance of thunderstorms in the afternoon. Highs 61 to 67. Chance of rain 60 percent. .THURSDAY NIGHT...Showers and chance of thunderstorms. Lows 39 to 45. .FRIDAY...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Highs near 60. North winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows 38 to 44. Chance of rain 40 percent. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs near 70. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower to mid 40s. Highs near 80. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows 46 to 52. Highs in the lower to mid 80s. .MONDAY NIGHT AND TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the lower to mid 50s. Highs near 80. $$ COZ041-210300- Elbert/Central and East Douglas Counties Above 6000 Feet- Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur 605 AM MDT Wed May 20 2026 .TODAY...Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the 50s. South winds 10 to 20 mph with gusts up to 30 mph. .TONIGHT...Showers and chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 30s to lower 40s. .THURSDAY...Partly cloudy in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs in the lower to mid 60s. South winds 10 to 15 mph in the afternoon. Chance of rain 70 percent. .THURSDAY NIGHT...Showers and chance of thunderstorms. Lows near 40. .FRIDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Highs in the mid 50s to lower 60s. North winds 10 to 15 mph with gusts up to 25 mph. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of thunderstorms. Lows near 40. .SATURDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs in the mid to upper 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower to mid 40s. Highs in the lower to mid 70s. .SUNDAY NIGHT...Partly cloudy. Lows 44 to 50. .MEMORIAL DAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs 75 to 81. .MONDAY NIGHT AND TUESDAY...Partly cloudy with a 10 percent chance of thunderstorms. Lows 47 to 53. Highs 73 to 79. $$ COZ042>045-210300- Northeast Weld County-Central and South Weld County-Morgan County- Central and East Adams and Arapahoe Counties- Including Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Eaton, Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, Wiggins, Bennett, Byers, Deer Trail, and Leader 605 AM MDT Wed May 20 2026 .TODAY...Cloudy. Chance of showers in the morning, then a chance of thunderstorms in the afternoon. Highs near 60. Southeast winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows near 40. Southeast winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light. Chance of rain 30 percent. .THURSDAY...Partly cloudy in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs in the 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. .THURSDAY NIGHT...Showers and chance of thunderstorms. Lows near 40. Northeast winds 10 to 15 mph with gusts up to 20 mph. .FRIDAY...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Highs in the lower to mid 60s. North winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows near 40. .SATURDAY...Partly cloudy with a 10 percent chance of showers. Highs near 70. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 41 to 50. Highs near 80. .MEMORIAL DAY...Mostly sunny. Highs in the 80s. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows near 50. Highs in the lower to mid 80s. $$ COZ046-047-210300- North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- Including Agate, Hugo, Limon, Matheson, Forder, Karval, Kutch, and Punkin Center 605 AM MDT Wed May 20 2026 .TODAY...Cloudy. Chance of showers in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid to upper 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50 percent. .TONIGHT...Showers likely and chance of thunderstorms in the evening, then a chance of showers after midnight. Lows near 40. Southeast winds 10 to 15 mph. Chance of rain 70 percent. .THURSDAY...Mostly cloudy. Chance of thunderstorms in the afternoon. Highs in the lower to mid 60s. Southeast winds 10 to 20 mph in the afternoon. Chance of precipitation 50 percent. .THURSDAY NIGHT...Showers and chance of thunderstorms. Lows near 40. East winds 10 to 15 mph with gusts up to 25 mph. .FRIDAY...Partly cloudy with a 50 percent chance of showers. Highs 59 to 65. North winds 20 to 25 mph with gusts up to 30 mph. .FRIDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 35 to 41. Chance of rain 30 percent. .SATURDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Highs in the upper 60s. .SATURDAY NIGHT...Mostly clear with a 20 percent chance of thunderstorms. Lows near 40. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs near 80. Lows 42 to 48. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 44 to 50. Highs near 80. $$ COZ048>051-210300- 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 AM MDT Wed May 20 2026 .TODAY...Showers likely in the morning, then a chance of showers and slight chance of thunderstorms in the afternoon. Highs in the mid to upper 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent. .TONIGHT...Mostly cloudy. Chance of showers in the evening. Lows in the upper 30s. Southeast winds 10 to 20 mph. Gusts up to 30 mph in the evening. Chance of rain 30 percent. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Highs 57 to 63. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 40 percent. .THURSDAY NIGHT...Showers and chance of thunderstorms. Lows in the lower 40s. East winds 10 to 15 mph with gusts up to 30 mph. .FRIDAY...Showers likely and slight chance of thunderstorms. Highs in the lower 60s. North winds 20 to 25 mph with gusts up to 35 mph. Chance of rain 60 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows in the upper 30s. .SATURDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs in the lower to mid 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows in the 40s. Highs 80 to 87. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Windy. Lows around 50. Highs in the lower to mid 80s. $$ COZ035-210300- Larimer and Boulder Counties Between 6000 and 9000 Feet- Including Estes Park, Glendevey, Nederland, and Red Feather Lakes 605 AM MDT Wed May 20 2026 .TODAY...Mostly cloudy. Chance of rain and snow showers in the morning, then a chance of thunderstorms in the afternoon. Highs 45 to 55. Chance of precipitation 50 percent. .TONIGHT...Partly cloudy. Slight chance of thunderstorms in the evening. Lows 27 to 37. Chance of precipitation 10 percent. .THURSDAY...Rain showers likely and chance of thunderstorms in the afternoon. Highs 51 to 59. Chance of rain 60 percent. .THURSDAY NIGHT...Rain showers, snow showers and chance of thunderstorms. Lows 30 to 40. .FRIDAY...Mostly cloudy with a chance of rain showers, snow showers and slight chance of thunderstorms. Highs 48 to 58. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows 30 to 40. .SATURDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 57 to 67. .SATURDAY NIGHT...Mostly clear. Lows 34 to 44. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear with a 20 percent chance of thunderstorms. Highs 68 to 78. Lows 40 to 50. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 42 to 52. .TUESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 66 to 76. $$ COZ036-210300- 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 MDT Wed May 20 2026 .TODAY...Rain showers, snow showers likely and chance of thunderstorms. No snow accumulation. Highs 46 to 56. Chance of precipitation 70 percent. .TONIGHT...Mostly cloudy with a chance of thunderstorms in the evening, then mostly clear after midnight. Lows 30 to 40. Chance of precipitation 50 percent. .THURSDAY...Mostly sunny in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 54 to 64. Chance of rain 60 percent. .THURSDAY NIGHT...Rain showers likely and chance of thunderstorms. Lows 32 to 42. Chance of rain 70 percent. .FRIDAY...Rain showers likely, chance of thunderstorms and snow showers. Highs 50 to 60. Chance of precipitation 60 percent. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 33 to 43. .SATURDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 57 to 67. .SATURDAY NIGHT...Partly cloudy. Lows 34 to 44. .SUNDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 66 to 76. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 40 to 50. .MEMORIAL DAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 70 to 80. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 42 to 52. .TUESDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 66 to 76. $$ COZ030-032-210300- Jackson County Below 9000 Feet- Grand and Summit Counties Below 9000 Feet- Including Gould, North Park, Rand, Spicer, Walden, Dillon, Fraser, Granby, Grand Lake, Hot Sulphur Springs, and Kremmling 605 AM MDT Wed May 20 2026 .TODAY...Mostly cloudy. Slight chance of rain and snow showers in the morning. Chance of thunderstorms in the afternoon. Highs 50 to 56. West winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 30 percent. .TONIGHT...Mostly clear. Lows 24 to 30. .THURSDAY...Mostly cloudy. Chance of thunderstorms in the afternoon. Highs 53 to 61. West winds 10 to 15 mph in the afternoon. Chance of precipitation 50 percent. .THURSDAY NIGHT...Rain showers, snow showers and slight chance of thunderstorms. Lows 26 to 32. .FRIDAY...Mostly cloudy with a chance of rain showers, snow showers and slight chance of thunderstorms. Highs 48 to 56. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows 25 to 31. .SATURDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs 57 to 63. .SATURDAY NIGHT...Mostly clear. Lows 28 to 34. .SUNDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 65 to 71. .SUNDAY NIGHT...Mostly clear. Lows 32 to 38. .MEMORIAL DAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs 70 to 76. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 34 to 40. .TUESDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 65 to 71. $$ COZ037-210300- Central and Southeast Park County- Including Fairplay, Hartsel, Lake George, and South Park 605 AM MDT Wed May 20 2026 .TODAY...Rain showers, snow showers likely and chance of thunderstorms. Little or no new snow accumulation. Highs 47 to 53. Chance of precipitation 70 percent. .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 30 to 36. Chance of rain 40 percent. .THURSDAY...Partly cloudy in the morning, then mostly cloudy with a chance of thunderstorms in the afternoon. Highs 53 to 61. Southwest winds 10 to 20 mph in the afternoon. Gusts up to 30 mph. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain showers, snow showers and slight chance of thunderstorms. Lows 30 to 36. Chance of precipitation 40 percent. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 54 to 60. West winds 10 to 15 mph with gusts up to 25 mph. .FRIDAY NIGHT...Mostly cloudy with a chance of thunderstorms and snow showers. Lows 31 to 37. Chance of snow 50 percent. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 56 to 62. .SATURDAY NIGHT...Partly cloudy. Lows 32 to 38. .SUNDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 63 to 69. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 36 to 42. .MEMORIAL DAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 66 to 72. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 37 to 43. .TUESDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 62 to 68. $$ COZ031-033-210300- West Jackson and West Grand Counties Above 9000 Feet- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- Including Mt Zirkel, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, and Willow Creek Pass 605 AM MDT Wed May 20 2026 .TODAY...Mostly cloudy. Chance of snow showers through the day. Chance of thunderstorms in the afternoon. Highs 39 to 49. Chance of snow 30 percent. .TONIGHT...Mostly clear. Lows 21 to 29. .THURSDAY...Mostly cloudy. Chance of thunderstorms and snow showers in the afternoon. Highs 42 to 52. West winds 10 to 15 mph in the afternoon. Chance of snow 50 percent. .THURSDAY NIGHT...Snow showers, rain showers and slight chance of thunderstorms. Lows 23 to 33. .FRIDAY...Mostly cloudy with a chance of snow showers and slight chance of thunderstorms. Highs 39 to 49. Chance of snow 50 percent. .FRIDAY NIGHT...Partly cloudy with a 10 percent chance of snow showers. Lows 22 to 30. .SATURDAY...Partly cloudy with a chance of thunderstorms and slight chance of snow showers. Highs 46 to 56. Chance of snow 30 percent. .SATURDAY NIGHT...Mostly clear. Lows 27 to 35. .SUNDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs 55 to 65. .SUNDAY NIGHT...Mostly clear. Lows 30 to 40. .MEMORIAL DAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 60 to 70. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 34 to 42. .TUESDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 56 to 66. $$ COZ034-210300- 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 MDT Wed May 20 2026 .TODAY...Chance of snow showers. New snow accumulation up to 1 inch. Highs 38 to 48. West winds 10 to 15 mph in the afternoon. Chance of snow 70 percent. .TONIGHT...Partly cloudy. Slight chance of thunderstorms and snow showers in the evening. Lows 20 to 30. Chance of snow 10 percent. .THURSDAY...Partly cloudy in the morning, then mostly cloudy with a chance of thunderstorms and snow showers in the afternoon. Highs 43 to 53. West winds 10 to 15 mph in the afternoon. Chance of snow 40 percent. .THURSDAY NIGHT...Snow showers with rain showers likely and slight chance of thunderstorms. Lows 23 to 33. .FRIDAY...Mostly cloudy with a chance of snow showers and slight chance of thunderstorms. Highs 41 to 51. West winds 10 to 15 mph with gusts up to 30 mph. Chance of snow 40 percent. .FRIDAY 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. .SATURDAY...Partly cloudy with a chance of thunderstorms and snow showers. Highs 46 to 56. Chance of snow 30 percent. .SATURDAY NIGHT...Mostly clear. Lows 25 to 35. .SUNDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 54 to 64. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 30 to 40. .MEMORIAL DAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 58 to 68. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 32 to 42. .TUESDAY...Rain showers likely and chance of thunderstorms. Highs 55 to 65. Chance of rain 60 percent. $$