Zone Forecast Product
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
520 FPUS55 KBOU 121849 ZFPBOU Zone Forecast Product for Northeast Colorado National Weather Service Denver/Boulder CO 1249 PM MDT Tue May 12 2026 COZ038>040-130900- 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 1249 PM MDT Tue May 12 2026 .REST OF TODAY...Mostly sunny. Highs 75 to 81. East winds 10 to 15 mph with gusts up to 20 mph. .TONIGHT...Mostly clear. Lows 46 to 54. .WEDNESDAY...Mostly sunny. Slight chance of thunderstorms in the afternoon. Highs 85 to 91. South winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Mostly cloudy. Lows 53 to 61. Southwest winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light. .THURSDAY...Partly cloudy. Highs 82 to 88. West winds 10 to 15 mph with gusts up to 40 mph. .THURSDAY NIGHT...Mostly clear. Lows 47 to 53. Northwest winds 10 to 15 mph with gusts up to 35 mph. .FRIDAY...Mostly sunny. Highs 81 to 87. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 48 to 56. Highs 80 to 86. .SATURDAY NIGHT...Mostly cloudy. Lows 46 to 54. .SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 73 to 81. .SUNDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows 38 to 46. Chance of rain 40 percent. .MONDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Highs 61 to 67. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 38 to 44. .TUESDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs 70 to 76. $$ COZ041-130900- Elbert/Central and East Douglas Counties Above 6000 Feet- Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur 1249 PM MDT Tue May 12 2026 .REST OF TODAY...Partly cloudy. Slight chance of thunderstorms late in the afternoon. Highs in the mid to upper 70s. East winds 10 to 15 mph with gusts up to 20 mph. Chance of precipitation 10 percent. .TONIGHT...Mostly clear. Lows 45 to 53. Southeast winds 10 to 15 mph. .WEDNESDAY...Mostly sunny. Slight chance of thunderstorms in the afternoon. Highs 79 to 87. South winds 15 to 25 mph with gusts up to 35 mph. Chance of precipitation 10 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows 51 to 59. Southwest winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 79 to 85. Lows 45 to 51. .FRIDAY...Mostly sunny. Highs near 80. .FRIDAY NIGHT...Partly cloudy. Lows 47 to 53. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs near 80. .SATURDAY NIGHT...Partly cloudy. Lows 46 to 52. .SUNDAY...Partly cloudy with a chance of showers and slight chance of thunderstorms. Highs in the mid 70s to lower 80s. Chance of rain 30 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows 38 to 44. Chance of rain 30 percent. .MONDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Cooler. Highs in the lower to mid 60s. .MONDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows near 40. Chance of rain 30 percent. .TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs near 70. $$ COZ042>045-130900- 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 1249 PM MDT Tue May 12 2026 .REST OF TODAY...Mostly sunny. Highs in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph. .TONIGHT...Mostly clear. Lows 43 to 49. Southeast winds 10 to 15 mph. .WEDNESDAY...Mostly sunny. Highs 86 to 92. South winds 10 to 15 mph, increasing to 20 to 25 mph in the afternoon. Gusts up to 35 mph. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows 49 to 57. South winds 20 to 25 mph with gusts up to 35 mph in the evening, becoming light. .THURSDAY...Partly cloudy. Highs in the mid to upper 80s. West winds 10 to 20 mph with gusts up to 30 mph. .THURSDAY NIGHT...Mostly clear. Lows 44 to 50. Northwest winds 10 to 15 mph with gusts up to 30 mph. .FRIDAY...Mostly sunny. Highs in the 80s. .FRIDAY NIGHT...Partly cloudy. Lows 46 to 52. .SATURDAY...Mostly sunny. Highs in the 80s. .SATURDAY NIGHT...Mostly cloudy. Lows 44 to 50. .SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs near 80. .SUNDAY NIGHT AND MONDAY...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows near 40. Highs in the mid to upper 60s. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows near 40. .TUESDAY...Mostly sunny. Highs in the mid 70s. $$ COZ046-047-130900- North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- Including Agate, Hugo, Limon, Matheson, Forder, Karval, Kutch, and Punkin Center 1249 PM MDT Tue May 12 2026 .REST OF TODAY...Mostly sunny. Highs in the mid 70s to lower 80s. East winds 10 to 15 mph with gusts up to 35 mph. .TONIGHT...Mostly clear. Lows 40 to 48. East winds 10 to 15 mph in the evening, becoming light. .WEDNESDAY...Mostly sunny. Windy. Highs near 80. South winds 20 to 30 mph with gusts up to 45 mph. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows 47 to 55. South winds 10 to 20 mph with gusts up to 35 mph, becoming southwest with gusts up to 20 mph after midnight. .THURSDAY...Partly cloudy. Highs in the mid to upper 80s. West winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY NIGHT...Partly cloudy. Lows 44 to 50. .FRIDAY...Mostly sunny. Highs in the lower to mid 80s. .FRIDAY NIGHT...Partly cloudy. Lows 44 to 50. .SATURDAY...Mostly sunny. Highs in the 80s. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of thunderstorms. Lows 44 to 50. .SUNDAY...Mostly sunny. Highs 79 to 85. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 38 to 44. .MONDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs 63 to 69. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 41. .TUESDAY...Partly cloudy. Highs in the lower 70s. $$ COZ048>051-130900- 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 1249 PM MDT Tue May 12 2026 .REST OF TODAY...Mostly sunny. Highs in the upper 70s. Northeast winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Mostly clear. Lows in the 40s. Southeast winds 10 to 15 mph with gusts up to 20 mph. .WEDNESDAY...Mostly sunny. Windy. Highs 81 to 87. South winds 20 to 30 mph with gusts up to 45 mph. .WEDNESDAY NIGHT...Mostly cloudy. Windy. Lows in the lower to mid 50s. South winds 20 to 30 mph with gusts up to 40 mph, diminishing to 10 to 15 mph with gusts up to 30 mph after midnight. .THURSDAY...Partly cloudy. Highs near 90. Northwest winds 10 to 20 mph with gusts up to 35 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .FRIDAY...Sunny. Highs in the 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the upper 80s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows in the upper 40s. .SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs near 80. .SUNDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Chance of rain 30 percent. .MONDAY...Mostly cloudy with a 20 percent chance of thunderstorms. Cooler. Highs in the upper 60s. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows in the upper 30s. .TUESDAY...Partly cloudy. Highs in the mid 70s. $$ COZ035-130900- Larimer and Boulder Counties Between 6000 and 9000 Feet- Including Estes Park, Glendevey, Nederland, and Red Feather Lakes 1249 PM MDT Tue May 12 2026 .REST OF TODAY...Partly cloudy. Slight chance of thunderstorms late in the afternoon. Highs 68 to 76. Chance of precipitation 20 percent. .TONIGHT...Mostly clear. Lows 41 to 51. .WEDNESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Highs 76 to 84. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mostly cloudy. Lows 50 to 60. .THURSDAY...Partly cloudy. Highs 68 to 78. West winds 10 to 20 mph with gusts up to 40 mph. .THURSDAY NIGHT...Mostly clear. Colder. Lows 40 to 50. West winds 10 to 15 mph with gusts up to 35 mph. .FRIDAY...Mostly sunny. Highs 69 to 79. .FRIDAY NIGHT...Partly cloudy. Lows 42 to 52. .SATURDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 69 to 79. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 42 to 52. .SUNDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 62 to 72. .SUNDAY NIGHT...Mostly cloudy with a chance of rain showers, snow showers and slight chance of thunderstorms. Colder. Lows 33 to 43. Chance of precipitation 50 percent. .MONDAY...Mostly cloudy with a chance of thunderstorms and snow showers. Highs 50 to 60. Chance of snow 50 percent. .MONDAY NIGHT...Partly cloudy with a slight chance of rain and snow showers. Lows 30 to 40. Chance of precipitation 20 percent. .TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Warmer. Highs 60 to 70. $$ COZ036-130900- 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 PM MDT Tue May 12 2026 .REST OF TODAY...Partly cloudy. Slight chance of showers early in the afternoon, then a slight chance of thunderstorms late in the afternoon. Highs 71 to 81. Chance of rain 20 percent. .TONIGHT...Mostly clear. Lows 43 to 53. .WEDNESDAY...Mostly sunny in the morning, then mostly cloudy with a chance of showers and slight chance of thunderstorms in the afternoon. Highs 77 to 87. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mostly cloudy. Slight chance of showers in the evening. Lows 50 to 60. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 10 percent. .THURSDAY...Mostly cloudy with a 20 percent chance of showers. Highs 72 to 82. West winds 10 to 15 mph with gusts up to 30 mph. .THURSDAY NIGHT...Mostly clear. Lows 42 to 52. .FRIDAY...Mostly sunny. Highs 72 to 82. .FRIDAY NIGHT...Partly cloudy. Lows 43 to 53. .SATURDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 72 to 82. .SATURDAY NIGHT...Partly cloudy. Lows 43 to 53. .SUNDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 68 to 78. .SUNDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 36 to 46. Chance of rain 40 percent. .MONDAY...Mostly cloudy with a chance of thunderstorms and snow showers. Highs 53 to 63. Chance of snow 50 percent. .MONDAY NIGHT...Mostly cloudy with a chance of rain showers, slight chance of thunderstorms and snow showers. Lows 33 to 43. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 62 to 72. $$ COZ030-032-130900- Jackson County Below 9000 Feet- Grand and Summit Counties Below 9000 Feet- Including Gould, North Park, Rand, Spicer, Walden, Dillon, Fraser, Granby, Grand Lake, Hot Sulphur Springs, and Kremmling 1249 PM MDT Tue May 12 2026 .REST OF TODAY...Partly cloudy. Highs 72 to 78. West winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Mostly clear. Lows 35 to 43. .WEDNESDAY...Partly cloudy. Slight chance of rain showers in the afternoon. Highs 76 to 82. Southwest winds 10 to 15 mph with gusts up to 30 mph in the afternoon. Chance of rain 20 percent. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers in the evening, then partly cloudy after midnight. Lows 40 to 46. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent. .THURSDAY...Mostly sunny. Highs 65 to 73. West winds 15 to 25 mph with gusts up to 40 mph. .THURSDAY NIGHT...Clear. Lows 31 to 37. .FRIDAY...Mostly sunny. Highs 67 to 75. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 35 to 41. Highs 68 to 76. .SATURDAY NIGHT...Mostly cloudy with a 10 percent chance of thunderstorms. Lows 35 to 41. .SUNDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 61 to 69. .SUNDAY NIGHT...Mostly cloudy with a chance of rain showers, snow showers and slight chance of thunderstorms. Lows 29 to 35. Chance of precipitation 40 percent. .MONDAY...Mostly cloudy with a chance of thunderstorms and snow showers. Highs 54 to 62. Chance of snow 40 percent. .MONDAY NIGHT...Partly cloudy with a slight chance of rain and snow showers. Lows 27 to 33. Chance of precipitation 20 percent. .TUESDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 61 to 69. $$ COZ037-130900- Central and Southeast Park County- Including Fairplay, Hartsel, Lake George, and South Park 1249 PM MDT Tue May 12 2026 .REST OF TODAY...Partly cloudy. Slight chance of showers late in the afternoon. Highs 70 to 76. West winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 10 percent. .TONIGHT...Partly cloudy. Lows 37 to 43. .WEDNESDAY...Partly cloudy. Slight chance of thunderstorms in the afternoon. Highs 70 to 78. Southwest winds 10 to 20 mph with gusts up to 30 mph in the afternoon. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Mostly cloudy. Slight chance of showers in the evening. Lows 41 to 47. Southwest winds 10 to 15 mph with gusts up to 30 mph in the evening, becoming light. Chance of rain 20 percent. .THURSDAY...Partly cloudy. Highs 66 to 74. West winds 15 to 25 mph with gusts up to 35 mph. .THURSDAY NIGHT...Mostly clear. Lows 36 to 42. .FRIDAY...Mostly sunny. Highs 67 to 75. .FRIDAY NIGHT...Partly cloudy. Lows 37 to 43. .SATURDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs 67 to 75. .SATURDAY NIGHT...Partly cloudy. Lows 37 to 43. .SUNDAY...Mostly sunny with a 20 percent chance of thunderstorms. Windy. Highs 64 to 72. .SUNDAY NIGHT...Partly cloudy with a 10 percent chance of thunderstorms. Lows 33 to 39. .MONDAY...Partly cloudy with a chance of thunderstorms and snow showers. Highs 55 to 61. Chance of snow 40 percent. .MONDAY NIGHT...Partly cloudy with a slight chance of thunderstorms and snow showers. Lows in the lower to mid 30s. Chance of snow 20 percent. .TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 60 to 66. $$ COZ031-033-130900- 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 1249 PM MDT Tue May 12 2026 .REST OF TODAY...Partly cloudy. Highs 60 to 70. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 10 percent. .TONIGHT...Mostly clear. Lows 35 to 45. .WEDNESDAY...Partly cloudy. Slight chance of rain showers in the afternoon. Highs 65 to 75. Southwest winds 10 to 15 mph in the afternoon. Chance of rain 20 percent. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of rain showers in the evening, then partly cloudy after midnight. Lows 39 to 49. Southwest winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 20 percent. .THURSDAY...Mostly sunny. Highs 55 to 65. West winds 15 to 25 mph with gusts up to 45 mph. .THURSDAY NIGHT...Clear, colder. Lows 29 to 37. West winds 10 to 15 mph with gusts up to 45 mph. .FRIDAY...Mostly sunny. Highs 57 to 67. .FRIDAY NIGHT...Partly cloudy. Lows 34 to 42. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 59 to 69. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers, slight chance of thunderstorms and snow showers. Lows 34 to 42. Chance of precipitation 30 percent. .SUNDAY...Partly cloudy with a chance of thunderstorms and snow showers. Highs 52 to 62. Chance of snow 40 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of snow showers, rain showers and slight chance of thunderstorms. Lows 26 to 34. Chance of precipitation 50 percent. .MONDAY...Mostly cloudy with a chance of snow showers and thunderstorms. Highs 43 to 53. Chance of snow 50 percent. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of snow showers. Lows 24 to 32. .TUESDAY...Partly cloudy with a slight chance of thunderstorms and snow showers. Highs 51 to 61. Chance of snow 20 percent. $$ COZ034-130900- 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 PM MDT Tue May 12 2026 .REST OF TODAY...Partly cloudy. Slight chance of showers late in the afternoon. Highs 60 to 70. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 10 percent. .TONIGHT...Mostly clear. Lows 33 to 43. .WEDNESDAY...Mostly sunny in the morning, then mostly cloudy with a chance of rain showers in the afternoon. Highs 63 to 73. Southwest winds 10 to 15 mph in the afternoon. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mostly cloudy. Slight chance of rain showers in the evening. Lows 37 to 47. West winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 20 percent. .THURSDAY...Partly cloudy. Highs 56 to 66. West winds 15 to 25 mph with gusts up to 50 mph. .THURSDAY NIGHT...Mostly clear. Lows 30 to 40. West winds 10 to 15 mph with gusts up to 40 mph. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 58 to 68. Lows 32 to 42. .SATURDAY...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 59 to 69. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy. Lows 32 to 42. .SUNDAY...Partly cloudy with a chance of thunderstorms and snow showers. Highs 55 to 65. Chance of snow 30 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of snow showers, rain showers and slight chance of thunderstorms. Lows 27 to 37. Chance of precipitation 40 percent. .MONDAY...Mostly cloudy with a chance of snow showers and thunderstorms. Highs 45 to 55. Chance of snow 50 percent. .MONDAY NIGHT...Partly cloudy with a chance of snow showers, rain showers and slight chance of thunderstorms. Lows 24 to 34. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy with a slight chance of thunderstorms and snow showers. Highs 51 to 61. Chance of snow 20 percent. $$