FPUS55 KBOU 110649 ZFPBOU Zone Forecast Product for Northeast Colorado National Weather Service Denver/Boulder CO 1248 AM MDT Mon May 11 2026 COZ038>040-112100- 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 1248 AM MDT Mon May 11 2026 .REST OF TONIGHT...Clear. Lows 40 to 48. .MONDAY...Mostly sunny. Highs in the lower to mid 80s. .MONDAY NIGHT...Mostly clear. Lows 49 to 55. West winds 10 to 15 mph after midnight. .TUESDAY...Mostly sunny. Highs 74 to 80. .TUESDAY NIGHT...Mostly clear. Lows 46 to 54. .WEDNESDAY...Mostly sunny. Highs 84 to 90. .WEDNESDAY NIGHT...Mostly cloudy. Lows 51 to 61. .THURSDAY...Mostly cloudy with a 20 percent chance of thunderstorms. Highs 82 to 88. .THURSDAY NIGHT...Partly cloudy. Lows 49 to 55. .FRIDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs near 80. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows 46 to 54. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 79 to 85. .SATURDAY NIGHT...Partly cloudy. Lows 46 to 54. .SUNDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs 76 to 82. $$ COZ041-112100- Elbert/Central and East Douglas Counties Above 6000 Feet- Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur 1248 AM MDT Mon May 11 2026 .REST OF TONIGHT...Clear. Lows 39 to 45. South winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Sunny. Highs near 80. .MONDAY NIGHT...Mostly clear. Lows 47 to 53. Southwest winds 10 to 15 mph after midnight. .TUESDAY...Mostly sunny. Highs in the mid to upper 70s. Northeast winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY NIGHT...Mostly clear. Lows 45 to 53. Southeast winds 10 to 15 mph with gusts up to 30 mph. .WEDNESDAY...Mostly sunny. Highs 80 to 86. .WEDNESDAY NIGHT...Mostly cloudy with a 10 percent chance of showers. Lows 50 to 58. .THURSDAY...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Highs 79 to 85. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows 46 to 52. .FRIDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows 46 to 52. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs near 80. .SATURDAY NIGHT...Partly cloudy. Lows 46 to 52. .SUNDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs in the mid 70s to lower 80s. $$ COZ042>045-112100- 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 1248 AM MDT Mon May 11 2026 .REST OF TONIGHT...Clear. Lows 39 to 45. .MONDAY...Mostly sunny. Highs in the mid 80s. .MONDAY NIGHT...Mostly clear. Lows 45 to 51. West winds 10 to 15 mph after midnight. .TUESDAY...Mostly sunny. Highs in the upper 70s. Northeast winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY NIGHT...Mostly clear. Lows 43 to 49. Southeast winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Mostly sunny. Highs in the mid 80s to lower 90s. .WEDNESDAY NIGHT...Mostly cloudy. Lows 48 to 56. .THURSDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs in the mid to upper 80s. .THURSDAY NIGHT...Partly cloudy. Lows 45 to 51. .FRIDAY...Mostly sunny. Highs in the lower to mid 80s. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows 44 to 50. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the lower to mid 80s. .SATURDAY NIGHT...Partly cloudy. Lows 44 to 50. .SUNDAY...Mostly sunny. Highs near 80. $$ COZ046-047-112100- North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- Including Agate, Hugo, Limon, Matheson, Forder, Karval, Kutch, and Punkin Center 1248 AM MDT Mon May 11 2026 .REST OF TONIGHT...Clear. Lows 37 to 43. .MONDAY...Sunny. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Mostly clear. Lows 44 to 50. West winds 10 to 15 mph with gusts up to 20 mph after midnight. .TUESDAY...Mostly sunny. Highs 75 to 81. Northeast winds 10 to 20 mph with gusts up to 35 mph. .TUESDAY NIGHT...Mostly clear. Lows 40 to 48. Southeast winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Mostly sunny. Windy. Highs in the lower to mid 80s. .WEDNESDAY NIGHT...Mostly cloudy. Lows 46 to 54. .THURSDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs in the mid to upper 80s. .THURSDAY NIGHT...Partly cloudy. Lows 44 to 50. .FRIDAY...Mostly sunny. Highs near 80. .FRIDAY NIGHT...Partly cloudy. Lows 43 to 49. .SATURDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs in the lower to mid 80s. .SATURDAY NIGHT...Partly cloudy. Lows 43 to 49. .SUNDAY...Mostly sunny. Highs 79 to 85. $$ COZ048>051-112100- 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 1248 AM MDT Mon May 11 2026 .REST OF TONIGHT...Clear. Lows in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Sunny. Highs in the 80s. Southwest winds 10 to 20 mph with gusts up to 30 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Southwest winds 10 to 15 mph, becoming west after midnight. .TUESDAY...Mostly sunny. Highs in the upper 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Mostly clear. Lows in the 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Mostly sunny. Windy. Highs in the mid to upper 80s. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs near 90. .THURSDAY NIGHT...Partly cloudy. Lows near 50. .FRIDAY...Mostly sunny. Highs in the lower to mid 80s. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows in the upper 40s. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the 80s. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of thunderstorms. Lows in the upper 40s. .SUNDAY...Mostly sunny. Highs in the lower 80s. $$ COZ035-112100- Larimer and Boulder Counties Between 6000 and 9000 Feet- Including Estes Park, Glendevey, Nederland, and Red Feather Lakes 1248 AM MDT Mon May 11 2026 .REST OF TONIGHT...Clear. Lows 35 to 45. .MONDAY...Mostly sunny. Highs 70 to 80. West winds 10 to 15 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 44 to 54. West winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Mostly sunny. Highs 68 to 76. .TUESDAY NIGHT...Mostly clear. Lows 41 to 51. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 83. .WEDNESDAY NIGHT...Mostly cloudy. Lows 50 to 60. .THURSDAY...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Highs 70 to 80. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows 42 to 52. .FRIDAY...Partly cloudy with a chance of showers and slight chance of thunderstorms. Highs 68 to 78. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows 41 to 51. .SATURDAY...Partly cloudy with a chance of showers and slight chance of thunderstorms. Highs 68 to 78. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly clear. Lows 42 to 52. .SUNDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 66 to 76. $$ COZ036-112100- 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 1248 AM MDT Mon May 11 2026 .REST OF TONIGHT...Clear. Lows 37 to 45. .MONDAY...Mostly sunny. Highs 70 to 80. .MONDAY NIGHT...Mostly clear. Lows 44 to 54. West winds 10 to 15 mph after midnight. .TUESDAY...Partly cloudy. Highs 71 to 81. .TUESDAY NIGHT...Mostly clear. Lows 43 to 53. .WEDNESDAY...Partly cloudy with a chance of showers and slight chance of thunderstorms. Highs 77 to 87. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mostly cloudy. Lows 49 to 59. .THURSDAY...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Highs 72 to 82. Chance of rain 40 percent. .THURSDAY NIGHT...Partly cloudy. Lows 42 to 52. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 70 to 80. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows 42 to 52. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 70 to 80. .SATURDAY NIGHT...Partly cloudy. Lows 42 to 52. .SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 69 to 79. $$ COZ030-032-112100- Jackson County Below 9000 Feet- Grand and Summit Counties Below 9000 Feet- Including Gould, North Park, Rand, Spicer, Walden, Dillon, Fraser, Granby, Grand Lake, Hot Sulphur Springs, and Kremmling 1248 AM MDT Mon May 11 2026 .REST OF TONIGHT...Clear. Lows 29 to 35. .MONDAY...Mostly sunny. Highs 67 to 73. West winds 10 to 20 mph with gusts up to 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 33 to 41. West winds 10 to 15 mph with gusts up to 30 mph in the evening, becoming light. .TUESDAY...Mostly sunny. Highs 72 to 80. West winds 10 to 15 mph with gusts up to 30 mph. .TUESDAY NIGHT...Mostly clear. Lows 35 to 43. .WEDNESDAY...Partly cloudy. Highs 77 to 83. .WEDNESDAY NIGHT...Mostly cloudy. Lows 39 to 47. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 67 to 75. .THURSDAY NIGHT...Mostly clear. Lows 34 to 40. .FRIDAY...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 67 to 73. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 34 to 40. .SATURDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 67 to 73. .SATURDAY NIGHT...Mostly clear. Lows 34 to 40. .SUNDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs 65 to 73. $$ COZ037-112100- Central and Southeast Park County- Including Fairplay, Hartsel, Lake George, and South Park 1248 AM MDT Mon May 11 2026 .REST OF TONIGHT...Mostly clear. Lows in the lower to mid 30s. .MONDAY...Mostly sunny. Highs 66 to 72. West winds 10 to 15 mph with gusts up to 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 35 to 43. Northwest winds 10 to 15 mph with gusts up to 25 mph in the evening, becoming light. .TUESDAY...Partly cloudy. Highs 69 to 77. West winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Mostly clear. Lows 37 to 43. .WEDNESDAY...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 71 to 79. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 10 percent chance of showers. Lows 40 to 46. .THURSDAY...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Highs 66 to 74. Chance of rain 30 percent. .THURSDAY NIGHT...Mostly clear. Lows 36 to 42. .FRIDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 66 to 72. .FRIDAY NIGHT...Partly cloudy. Lows 36 to 42. .SATURDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 66 to 72. .SATURDAY NIGHT...Partly cloudy. Lows 36 to 42. .SUNDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 66 to 72. $$ COZ031-033-112100- West Jackson and West Grand Counties Above 9000 Feet- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- Including Mt Zirkel, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, and Willow Creek Pass 1248 AM MDT Mon May 11 2026 .REST OF TONIGHT...Clear. Lows 27 to 37. .MONDAY...Mostly sunny. Highs 58 to 68. West winds 10 to 20 mph with gusts up to 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 34 to 44. West winds 10 to 15 mph with gusts up to 30 mph in the evening, becoming light. .TUESDAY...Mostly sunny. Highs 61 to 71. West winds 10 to 15 mph with gusts up to 35 mph. .TUESDAY NIGHT...Mostly clear. Lows 34 to 44. .WEDNESDAY...Partly cloudy. Highs 65 to 75. .WEDNESDAY NIGHT...Mostly cloudy with a 10 percent chance of rain showers. Lows 39 to 49. .THURSDAY...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 57 to 67. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows 31 to 41. .FRIDAY...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 57 to 67. Chance of rain 40 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of rain and snow showers. Lows 33 to 41. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy with a slight chance of thunderstorms and snow showers. Highs 57 to 67. Chance of snow 20 percent. .SATURDAY NIGHT...Mostly clear. Lows 33 to 41. .SUNDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 56 to 66. $$ COZ034-112100- 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 1248 AM MDT Mon May 11 2026 .REST OF TONIGHT...Clear. Lows 27 to 37. .MONDAY...Mostly sunny. Highs 56 to 66. West winds 10 to 15 mph with gusts up to 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 33 to 43. West winds 10 to 15 mph. .TUESDAY...Mostly sunny. Highs 60 to 70. West winds 10 to 15 mph with gusts up to 35 mph. .TUESDAY NIGHT...Mostly clear. Lows 33 to 43. .WEDNESDAY...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 63 to 73. Chance of rain 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 37 to 47. .THURSDAY...Mostly cloudy with a chance of rain showers, snow showers and slight chance of thunderstorms. Highs 57 to 67. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly clear. Lows 31 to 41. .FRIDAY...Partly cloudy with a chance of rain showers, snow showers and slight chance of thunderstorms. Highs 57 to 67. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of rain and snow showers. Lows 31 to 41. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy with a slight chance of thunderstorms and snow showers. Highs 57 to 67. Chance of snow 20 percent. .SATURDAY NIGHT...Mostly clear. Lows 31 to 41. .SUNDAY...Mostly sunny with a slight chance of thunderstorms and snow showers. Highs 57 to 67. Chance of snow 20 percent. $$