Zone Forecast Product
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
399 FPUS55 KBOU 191206 ZFPBOU Zone Forecast Product for Northeast Colorado National Weather Service Denver/Boulder CO 605 AM MDT Sun Jul 19 2026 COZ038>040-200300- 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 Sun Jul 19 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 9 PM MDT MONDAY... .TODAY...Mostly sunny. Highs in the mid to upper 90s. .TONIGHT...Partly cloudy. Lows 64 to 70. East winds 10 to 15 mph in the evening, becoming light. .MONDAY...Mostly sunny. Slight chance of thunderstorms in the afternoon. Highs 96 to 100. East winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 10 percent. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 63 to 69. Northeast winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 89 to 95. Northeast winds 10 to 15 mph with gusts up to 30 mph. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 60 to 66. .WEDNESDAY...Showers likely and chance of thunderstorms. Highs 88 to 94. Chance of rain 60 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 59 to 65. .THURSDAY...Thunderstorms likely. Highs 85 to 91. Chance of precipitation 70 percent. .THURSDAY NIGHT...Showers likely and chance of thunderstorms. Lows 58 to 64. Chance of rain 60 percent. .FRIDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs near 90. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of thunderstorms. Lows 59 to 65. .SATURDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs in the lower to mid 90s. $$ COZ041-200300- Elbert/Central and East Douglas Counties Above 6000 Feet- Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur 605 AM MDT Sun Jul 19 2026 .TODAY...Mostly sunny. Highs 88 to 94. .TONIGHT...Mostly clear. Lows 60 to 66. South winds 10 to 15 mph with gusts up to 20 mph. .MONDAY...Mostly sunny. Highs 91 to 97. East winds 10 to 15 mph with gusts up to 20 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows 60 to 66. .TUESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 87 to 93. Northeast winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Partly cloudy with a 40 percent chance of thunderstorms. Lows 58 to 64. .WEDNESDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 87 to 93. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows near 60. .THURSDAY...Thunderstorms likely. Highs 84 to 90. Chance of precipitation 60 percent. .THURSDAY NIGHT...Showers likely and chance of thunderstorms. Lows near 60. Chance of rain 60 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 83 to 89. Lows near 60. .SATURDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 87 to 93. $$ COZ042-044-045-200300- Northeast Weld County-Morgan County- Central and East Adams and Arapahoe Counties- Including Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Brush, Fort Morgan, Goodrich, Wiggins, Bennett, Byers, Deer Trail, and Leader 605 AM MDT Sun Jul 19 2026 .TODAY...Mostly sunny. Highs in the mid to upper 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph in the afternoon. .TONIGHT...Mostly clear. Lows in the upper 60s. Southeast winds 10 to 15 mph with gusts up to 20 mph. .MONDAY...Mostly sunny. Highs 97 to 101. East winds 10 to 15 mph with gusts up to 20 mph in the afternoon. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the mid to upper 60s. East winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the lower to mid 90s. East winds 10 to 20 mph with gusts up to 30 mph. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of thunderstorms. Lows in the mid 60s. .WEDNESDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs in the 90s. .WEDNESDAY NIGHT...Showers likely and chance of thunderstorms. Lows in the lower 60s. Chance of rain 60 percent. .THURSDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs near 90. .THURSDAY NIGHT...Showers likely and chance of thunderstorms. Lows in the lower 60s. Chance of rain 60 percent. .FRIDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Highs in the lower 90s. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of thunderstorms. Lows in the lower 60s. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the 90s. $$ COZ043-200300- Central and South Weld County- Including Eaton, Fort Lupton, Greeley, and Roggen 605 AM MDT Sun Jul 19 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 9 PM MDT MONDAY... .TODAY...Mostly sunny. Highs in the upper 90s. .TONIGHT...Partly cloudy. Lows in the 60s. East winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light. .MONDAY...Mostly sunny. Highs around 100. East winds 10 to 15 mph with gusts up to 20 mph in the afternoon. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the 60s. Northeast winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the mid 90s. Northeast winds 10 to 15 mph with gusts up to 30 mph. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows in the lower 60s. .WEDNESDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs in the lower to mid 90s. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows near 60. .THURSDAY AND THURSDAY NIGHT...Showers likely and chance of thunderstorms. Highs near 90. Lows near 60. Chance of rain 60 percent. .FRIDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs near 90. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of thunderstorms. Lows near 60. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the mid 90s. $$ COZ046-047-200300- 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 Sun Jul 19 2026 .TODAY...Mostly sunny. Highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph in the afternoon. .TONIGHT...Clear. Lows 59 to 65. Southeast winds 10 to 15 mph in the evening, becoming light. .MONDAY...Sunny. Highs in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower to mid 60s. .TUESDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs in the lower to mid 90s. East winds 10 to 20 mph with gusts up to 25 mph. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the lower to mid 60s. .WEDNESDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs in the lower to mid 90s. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows near 60. .THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs near 90. .THURSDAY NIGHT...Showers likely and chance of thunderstorms. Lows 57 to 63. Chance of rain 60 percent. .FRIDAY...Mostly cloudy with a 30 percent chance of thunderstorms. Highs near 90. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows near 60. .SATURDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs in the lower to mid 90s. $$ COZ048>051-200300- Logan County-Washington County-Sedgwick County-Phillips County- Including Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 605 AM MDT Sun Jul 19 2026 .TODAY...Sunny. Highs in the mid to upper 90s. Southeast winds 10 to 15 mph in the afternoon. .TONIGHT...Mostly clear. Lows in the mid to upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Mostly sunny. Highs 98 to 102. Southeast winds 10 to 15 mph with gusts up to 20 mph in the afternoon. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows in the mid to upper 60s. Southeast winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY...Mostly sunny. Highs in the lower 90s. East winds 10 to 20 mph with gusts up to 30 mph. .TUESDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy with a 30 percent chance of thunderstorms. Windy. Highs in the lower to mid 90s. .WEDNESDAY NIGHT...Showers likely and chance of thunderstorms. Lows in the lower 60s. Chance of rain 70 percent. .THURSDAY...Mostly cloudy with a 30 percent chance of thunderstorms. Highs near 90. .THURSDAY NIGHT...Showers likely and chance of thunderstorms. Lows in the lower 60s. Chance of rain 60 percent. .FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the lower 90s. .FRIDAY NIGHT...Partly cloudy with a 30 percent chance of thunderstorms. Lows in the lower 60s. .SATURDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs in the mid 90s. $$ COZ035-200300- Larimer and Boulder Counties Between 6000 and 9000 Feet- Including Estes Park, Glendevey, Nederland, and Red Feather Lakes 605 AM MDT Sun Jul 19 2026 .TODAY...Mostly sunny. Slight chance of thunderstorms early in the afternoon. Chance of thunderstorms late in the afternoon. Highs 81 to 91. Chance of precipitation 30 percent. .TONIGHT...Partly cloudy. Slight chance of thunderstorms in the evening. Lows 56 to 66. Chance of precipitation 10 percent. .MONDAY...Partly cloudy. Chance of thunderstorms in the afternoon. Highs 83 to 93. Chance of precipitation 30 percent. .MONDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows 54 to 64. Chance of rain 30 percent. .TUESDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 77 to 87. East winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 52 to 62. .WEDNESDAY...Showers with thunderstorms likely. Highs 76 to 86. .WEDNESDAY NIGHT...Showers likely and chance of thunderstorms. Lows 52 to 62. Chance of rain 60 percent. .THURSDAY...Showers with thunderstorms likely. Highs 74 to 84. .THURSDAY NIGHT...Showers likely and chance of thunderstorms. Lows 51 to 61. Chance of rain 60 percent. .FRIDAY...Thunderstorms likely. Highs 75 to 85. Chance of precipitation 70 percent. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of thunderstorms. Lows 52 to 62. .SATURDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 78 to 88. $$ COZ036-200300- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including Bailey, Central City, Evergreen, Georgetown, Idaho Springs, and Westcreek 605 AM MDT Sun Jul 19 2026 .TODAY...Mostly sunny. Highs 81 to 91. .TONIGHT...Mostly clear. Lows 57 to 67. .MONDAY...Mostly sunny. Slight chance of thunderstorms in the afternoon. Highs 83 to 93. East winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 10 percent. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 57 to 67. .TUESDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 78 to 88. East winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 54 to 64. .WEDNESDAY...Thunderstorms likely. Highs 78 to 88. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 54 to 64. .THURSDAY...Showers with thunderstorms likely. Highs 76 to 86. .THURSDAY NIGHT...Showers likely and chance of thunderstorms. Lows 53 to 63. Chance of rain 60 percent. .FRIDAY...Thunderstorms likely. Highs 75 to 85. Chance of precipitation 70 percent. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 54 to 64. .SATURDAY...Thunderstorms likely. Highs 79 to 89. Chance of precipitation 60 percent. $$ COZ030-032-200300- 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 Sun Jul 19 2026 .TODAY...Mostly sunny in the morning, then mostly cloudy with a chance of thunderstorms in the afternoon. Highs 82 to 88. Chance of precipitation 30 percent. .TONIGHT...Mostly cloudy with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows 43 to 53. Chance of precipitation 20 percent. .MONDAY...Mostly sunny in the morning, then mostly cloudy with a chance of thunderstorms in the afternoon. Highs 83 to 89. Chance of precipitation 40 percent. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 55. .TUESDAY...Showers likely and chance of thunderstorms. Highs 80 to 86. Chance of rain 70 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 43 to 53. .WEDNESDAY...Showers with thunderstorms likely. Highs 76 to 82. .WEDNESDAY NIGHT...Showers likely and chance of thunderstorms. Lows 42 to 52. Chance of rain 70 percent. .THURSDAY...Showers with thunderstorms likely. Highs 72 to 78. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 42 to 52. .FRIDAY...Thunderstorms likely. Highs 74 to 80. Chance of precipitation 60 percent. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of thunderstorms. Lows 42 to 52. .SATURDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 77 to 83. $$ COZ037-200300- Central and Southeast Park County- Including Fairplay, Hartsel, Lake George, and South Park 605 AM MDT Sun Jul 19 2026 .TODAY...Mostly sunny. Slight chance of thunderstorms in the afternoon. Highs 75 to 83. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy. Lows 49 to 55. .MONDAY...Mostly sunny. Slight chance of thunderstorms in the afternoon. Highs 77 to 85. East winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 50 to 56. .TUESDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 74 to 82. East winds 10 to 15 mph with gusts up to 30 mph. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a 50 percent chance of thunderstorms. Lows 49 to 55. Highs 74 to 82. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 49 to 55. .THURSDAY...Thunderstorms likely. Highs 73 to 81. Chance of precipitation 70 percent. .THURSDAY NIGHT...Showers likely and chance of thunderstorms. Lows 48 to 54. Chance of rain 60 percent. .FRIDAY...Thunderstorms likely. Highs 73 to 81. Chance of precipitation 70 percent. .FRIDAY NIGHT...Showers likely and chance of thunderstorms. Lows 48 to 54. Chance of rain 60 percent. .SATURDAY...Thunderstorms likely. Highs 75 to 83. Chance of precipitation 60 percent. $$ COZ031-033-200300- 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 Sun Jul 19 2026 .TODAY...Mostly sunny in the morning, then mostly cloudy with a chance of thunderstorms in the afternoon. Highs 72 to 82. Chance of precipitation 40 percent. .TONIGHT...Mostly cloudy with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows 47 to 57. Chance of precipitation 20 percent. .MONDAY...Mostly sunny in the morning, then mostly cloudy with a chance of thunderstorms in the afternoon. Highs 73 to 83. Chance of precipitation 40 percent. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 47 to 57. .TUESDAY...Showers likely and chance of thunderstorms. Highs 70 to 80. Chance of rain 70 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 46 to 56. .WEDNESDAY...Showers with thunderstorms likely. Highs 66 to 76. .WEDNESDAY NIGHT...Showers likely and chance of thunderstorms. Lows 45 to 55. Chance of rain 70 percent. .THURSDAY...Showers with thunderstorms likely. Highs 63 to 73. .THURSDAY NIGHT...Showers likely and chance of thunderstorms. Lows 44 to 54. Chance of rain 60 percent. .FRIDAY...Thunderstorms likely. Highs 65 to 75. Chance of precipitation 60 percent. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of thunderstorms. Lows 45 to 55. .SATURDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 67 to 77. $$ COZ034-200300- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Blue Sky, Williams Fork Mountains, and Winter Park 605 AM MDT Sun Jul 19 2026 .TODAY...Mostly sunny in the morning, then mostly cloudy with a slight chance of thunderstorms early in the afternoon. Mostly cloudy with a chance of thunderstorms late in the afternoon. Highs 69 to 79. Chance of precipitation 30 percent. .TONIGHT...Mostly cloudy with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows 45 to 55. Chance of precipitation 20 percent. .MONDAY...Mostly sunny in the morning, then mostly cloudy with a chance of thunderstorms in the afternoon. Highs 70 to 80. East winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 40 percent. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 46 to 56. .TUESDAY...Showers likely and chance of thunderstorms. Highs 67 to 77. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 45 to 55. .WEDNESDAY...Showers with thunderstorms likely. Highs 66 to 76. .WEDNESDAY NIGHT...Showers likely and chance of thunderstorms. Lows 44 to 54. Chance of rain 70 percent. .THURSDAY...Showers with thunderstorms likely. Highs 64 to 74. .THURSDAY NIGHT...Showers likely and chance of thunderstorms. Lows 44 to 54. Chance of rain 60 percent. .FRIDAY...Thunderstorms likely. Highs 64 to 74. Chance of precipitation 70 percent. .FRIDAY NIGHT...Showers likely and chance of thunderstorms. Lows 44 to 54. Chance of rain 60 percent. .SATURDAY...Thunderstorms likely. Highs 66 to 76. Chance of precipitation 70 percent. $$