FPUS55 KBOU 280828 ZFPBOU Zone Forecast Product for Northeast Colorado National Weather Service Denver/Boulder CO 228 AM MDT Thu May 28 2026 COZ038>040-290300- 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 228 AM MDT Thu May 28 2026 .TODAY...Mostly cloudy. Slight chance of thunderstorms early in the afternoon. Chance of thunderstorms late in the afternoon. Highs 71 to 77. Southeast winds 10 to 15 mph in the afternoon. Chance of precipitation 30 percent. .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening. Lows in the lower to mid 50s. Southeast winds 10 to 15 mph in the evening, becoming light. Chance of precipitation 30 percent. .FRIDAY...Mostly cloudy in the morning, then partly cloudy with a slight chance of thunderstorms in the afternoon. Highs 78 to 84. Chance of precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy with a 40 percent chance of thunderstorms. Lows in the lower to mid 50s. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 74 to 80. .SATURDAY NIGHT...Mostly clear. Lows 47 to 53. .SUNDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 76 to 82. .SUNDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows near 50. Chance of rain 30 percent. .MONDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 75 to 81. .MONDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows 48 to 54. Chance of rain 30 percent. .TUESDAY...Mostly cloudy with a 30 percent chance of thunderstorms. Highs in the mid 70s to lower 80s. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a 30 percent chance of thunderstorms. Lows 49 to 55. Highs near 80. $$ COZ041-290300- Elbert/Central and East Douglas Counties Above 6000 Feet- Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur 228 AM MDT Thu May 28 2026 .TODAY...Mostly cloudy. Slight chance of thunderstorms early in the afternoon. Chance of thunderstorms late in the afternoon. Highs 67 to 73. South winds 10 to 15 mph with gusts up to 20 mph. Chance of precipitation 40 percent. .TONIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows near 50. South winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 20 percent. .FRIDAY...Mostly cloudy in the morning, then partly cloudy with a slight chance of thunderstorms in the afternoon. Highs 75 to 81. South winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly sunny. Highs 72 to 78. .SATURDAY NIGHT...Mostly clear. Lows in the mid to upper 40s. .SUNDAY...Mostly sunny with a 20 percent chance of thunderstorms. Highs 74 to 80. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the mid to upper 40s. .MONDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 72 to 78. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of thunderstorms. Lows near 50. .TUESDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 71 to 77. .TUESDAY NIGHT...Partly cloudy with a 30 percent chance of thunderstorms. Lows near 50. .WEDNESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 72 to 78. $$ COZ042>045-290300- 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 228 AM MDT Thu May 28 2026 .TODAY...Mostly cloudy. Slight chance of showers late in the morning. Slight chance of thunderstorms in the afternoon. Highs in the lower to mid 70s. Southeast winds 10 to 20 mph with gusts up to 25 mph. Chance of rain 20 percent. .TONIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening. Lows in the lower 50s. Southeast winds 10 to 20 mph. Gusts up to 30 mph in the evening. Chance of precipitation 20 percent. .FRIDAY...Mostly cloudy in the morning, then partly cloudy with a chance of thunderstorms in the afternoon. Highs in the lower to mid 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 50. .SATURDAY...Partly cloudy with a chance of showers and slight chance of thunderstorms. Highs near 80. Northwest winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the lower to mid 80s. .SUNDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows near 50. Chance of rain 30 percent. .MONDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs near 80. .MONDAY NIGHT AND TUESDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Lows in the lower 50s. Highs near 80. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a 30 percent chance of thunderstorms. Lows in the lower 50s. Highs near 80. $$ COZ046-047-290300- North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- Including Agate, Hugo, Limon, Matheson, Forder, Karval, Kutch, and Punkin Center 228 AM MDT Thu May 28 2026 .TODAY...Mostly cloudy. Slight chance of showers in the morning. Chance of thunderstorms in the afternoon. Highs near 70. Southeast winds 10 to 15 mph in the afternoon. Chance of rain 30 percent. .TONIGHT...Mostly cloudy. Slight chance of showers after midnight. Lows near 50. Southeast winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 10 percent. .FRIDAY...Mostly cloudy in the morning then clearing. Highs in the lower 80s. South winds 10 to 20 mph with gusts up to 30 mph. .FRIDAY NIGHT...Mostly clear. Lows near 50. South winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY...Mostly sunny. Highs near 80. West winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid to upper 40s. Highs near 80. .SUNDAY NIGHT...Partly cloudy with a 10 percent chance of thunderstorms. Lows 47 to 53. .MONDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 77 to 83. .MONDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows near 50. .TUESDAY...Mostly cloudy with a 30 percent chance of thunderstorms. Highs in the mid to upper 70s. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of thunderstorms. Lows near 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the mid 70s to lower 80s. $$ COZ048>051-290300- 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 228 AM MDT Thu May 28 2026 .TODAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs near 70. Southeast winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent. .TONIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening. Lows in the lower 50s. Southeast winds 10 to 20 mph. Gusts up to 30 mph in the evening. Chance of precipitation 10 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs near 80. Southeast winds 10 to 20 mph with gusts up to 35 mph. .FRIDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent. .SATURDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs in the lower 80s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Partly cloudy with a 10 percent chance of thunderstorms. Lows in the upper 40s. .SUNDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs in the lower 80s. .SUNDAY NIGHT...Mostly cloudy with a 40 percent chance of thunderstorms. Lows in the lower 50s. .MONDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the lower 80s. .MONDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows in the lower 50s. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of thunderstorms. Highs near 80. Lows in the lower 50s. .WEDNESDAY...Mostly cloudy with a 30 percent chance of thunderstorms. Highs near 80. $$ COZ035-290300- Larimer and Boulder Counties Between 6000 and 9000 Feet- Including Estes Park, Glendevey, Nederland, and Red Feather Lakes 228 AM MDT Thu May 28 2026 .TODAY...Mostly cloudy. Chance of thunderstorms in the afternoon. Highs 61 to 69. Southeast winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 40 percent. .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening. Lows 44 to 52. Chance of precipitation 30 percent. .FRIDAY...Mostly cloudy. Chance of thunderstorms in the afternoon. Highs 66 to 76. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows 41 to 51. Chance of rain 50 percent. .SATURDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 61 to 71. West winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY NIGHT...Mostly clear. Lows 39 to 49. .SUNDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 64 to 74. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 39 to 49. .MONDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 63 to 73. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 40 to 50. .TUESDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 65 to 75. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 41 to 51. .WEDNESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 66 to 76. $$ COZ036-290300- 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 228 AM MDT Thu May 28 2026 .TODAY...Mostly cloudy. Chance of thunderstorms in the afternoon. Highs 61 to 71. Chance of precipitation 50 percent. .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows 44 to 52. Chance of rain 40 percent. .FRIDAY...Mostly cloudy in the morning, then partly cloudy with a chance of thunderstorms in the afternoon. Highs 68 to 78. Chance of precipitation 40 percent. .FRIDAY NIGHT...Mostly clear with a 20 percent chance of thunderstorms. Lows 40 to 50. .SATURDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs 64 to 74. .SATURDAY NIGHT...Mostly clear. Lows 39 to 49. .SUNDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 66 to 76. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 39 to 49. .MONDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 66 to 76. .MONDAY NIGHT...Partly cloudy with a 30 percent chance of thunderstorms. Lows 41 to 51. .TUESDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 66 to 76. .TUESDAY NIGHT...Partly cloudy with a 30 percent chance of thunderstorms. Lows 43 to 51. .WEDNESDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 66 to 76. $$ COZ030-032-290300- Jackson County Below 9000 Feet- Grand and Summit Counties Below 9000 Feet- Including Gould, North Park, Rand, Spicer, Walden, Dillon, Fraser, Granby, Grand Lake, Hot Sulphur Springs, and Kremmling 228 AM MDT Thu May 28 2026 .TODAY...Mostly cloudy. Slight chance of thunderstorms early in the afternoon. Chance of thunderstorms late in the afternoon. Highs 68 to 74. Chance of precipitation 30 percent. .TONIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening. Lows near 40. Chance of precipitation 20 percent. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Highs 67 to 73. Chance of rain 40 percent. .FRIDAY NIGHT...Rain showers likely and slight chance of thunderstorms. Lows in the mid to upper 30s. Chance of rain 70 percent. .SATURDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Highs 57 to 63. Southwest winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY NIGHT...Mostly clear. Lows 31 to 37. .SUNDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 62 to 68. .SUNDAY NIGHT...Partly cloudy. Lows 32 to 38. .MONDAY...Mostly sunny. Highs 64 to 70. .MONDAY NIGHT...Partly cloudy. Lows 34 to 40. .TUESDAY...Mostly sunny. Highs 67 to 73. .TUESDAY NIGHT...Partly cloudy. Lows near 40. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 67 to 73. $$ COZ037-290300- Central and Southeast Park County- Including Fairplay, Hartsel, Lake George, and South Park 228 AM MDT Thu May 28 2026 .TODAY...Mostly cloudy. Chance of thunderstorms in the afternoon. Highs 62 to 68. South winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 40 percent. .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower to mid 40s. Southeast winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light. Chance of rain 50 percent. .FRIDAY...Partly cloudy. Highs 62 to 70. South winds 10 to 15 mph with gusts up to 25 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s. .SATURDAY...Mostly sunny. Highs 58 to 66. West winds 10 to 20 mph with gusts up to 35 mph. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 34 to 40. Highs 61 to 69. .SUNDAY NIGHT...Partly cloudy. Lows in the mid to upper 30s. .MONDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 63 to 69. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows near 40. .TUESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 64 to 70. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows near 40. .WEDNESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 64 to 70. $$ COZ031-033-290300- West Jackson and West Grand Counties Above 9000 Feet- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- Including Mt Zirkel, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, and Willow Creek Pass 228 AM MDT Thu May 28 2026 .TODAY...Mostly cloudy. Chance of thunderstorms in the afternoon. Highs 57 to 67. Chance of precipitation 30 percent. .TONIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening. Lows 37 to 45. Chance of precipitation 20 percent. .FRIDAY...Mostly cloudy. Chance of thunderstorms in the afternoon. Highs 57 to 67. Chance of precipitation 50 percent. .FRIDAY NIGHT...Rain showers likely, slight chance of thunderstorms and snow showers. Lows 33 to 41. Chance of precipitation 70 percent. .SATURDAY...Mostly cloudy with a chance of thunderstorms and snow showers. Highs 47 to 57. Southwest winds 10 to 15 mph with gusts up to 35 mph. Chance of snow 40 percent. .SATURDAY NIGHT...Mostly clear. Lows 30 to 38. .SUNDAY...Partly cloudy with a chance of thunderstorms and snow showers. Highs 51 to 61. Chance of snow 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows 30 to 38. .MONDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 54 to 64. .MONDAY NIGHT...Partly cloudy. Lows 32 to 40. .TUESDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 57 to 67. .TUESDAY NIGHT...Partly cloudy. Lows 34 to 42. .WEDNESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 58 to 68. $$ COZ034-290300- 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 228 AM MDT Thu May 28 2026 .TODAY...Chance of thunderstorms early in the afternoon. Rain showers likely and chance of thunderstorms late in the afternoon. Highs 53 to 63. Chance of rain 70 percent. .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then a slight chance of rain showers after midnight. Lows 35 to 43. Chance of rain 40 percent. .FRIDAY...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 55 to 65. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 30 to 40. Chance of rain 50 percent. .SATURDAY...Partly cloudy with a slight chance of thunderstorms and snow showers. Highs 49 to 59. West winds 10 to 15 mph with gusts up to 35 mph. Chance of snow 20 percent. .SATURDAY NIGHT...Mostly clear. Lows 29 to 39. .SUNDAY...Partly cloudy with a chance of thunderstorms and snow showers. Highs 52 to 62. Chance of snow 40 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 29 to 39. .MONDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 54 to 64. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 32 to 42. .TUESDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 56 to 66. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 34 to 42. .WEDNESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 56 to 66. $$