FPUS55 KBOU 220802 ZFPBOU Zone Forecast Product for Northeast Colorado National Weather Service Denver/Boulder CO 201 AM MDT Fri May 22 2026 COZ038>040-222300- 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 201 AM MDT Fri May 22 2026 .REST OF TONIGHT...Partly cloudy with a 20 percent chance of showers. Lows 36 to 44. .FRIDAY...Partly cloudy. Highs in the lower to mid 60s. .FRIDAY NIGHT...Mostly cloudy. Chance of showers and slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows 40 to 46. Chance of rain 30 percent. .SATURDAY...Partly cloudy. Highs near 70. .SATURDAY NIGHT...Mostly clear. Lows 43 to 49. .SUNDAY...Mostly sunny. Highs near 80. .SUNDAY NIGHT...Partly cloudy. Lows 48 to 54. .MEMORIAL DAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the lower to mid 80s. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows in the lower to mid 50s. .TUESDAY...Mostly cloudy with a 30 percent chance of thunderstorms. Highs near 80. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Lows near 50. Highs in the mid to upper 70s. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Lows near 50. Highs 72 to 78. $$ COZ041-222300- Elbert/Central and East Douglas Counties Above 6000 Feet- Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur 201 AM MDT Fri May 22 2026 .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the mid 30s to lower 40s. North winds 10 to 15 mph with gusts up to 20 mph. .FRIDAY...Partly cloudy. Slight chance of thunderstorms in the afternoon. Highs near 60. North winds 10 to 15 mph with gusts up to 20 mph in the morning, becoming light. Chance of precipitation 20 percent. .FRIDAY NIGHT...Slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows near 40. South winds 10 to 15 mph with gusts up to 20 mph after midnight. Chance of rain 40 percent. .SATURDAY...Mostly cloudy with a 20 percent chance of thunderstorms. Highs 64 to 70. .SATURDAY NIGHT...Mostly clear. Lows in the lower to mid 40s. .SUNDAY...Mostly sunny. Highs 74 to 80. .SUNDAY NIGHT...Partly cloudy. Lows 46 to 52. .MEMORIAL DAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 76 to 82. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 47 to 53. .TUESDAY...Mostly cloudy with a 30 percent chance of thunderstorms. Highs 73 to 79. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 51. .WEDNESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 69 to 75. .WEDNESDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows 44 to 50. Chance of rain 30 percent. .THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 70 to 76. $$ COZ042>045-222300- 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 201 AM MDT Fri May 22 2026 .REST OF TONIGHT...Partly cloudy. Chance of showers after midnight, then a slight chance of showers towards sunrise. Lows in the mid 30s to lower 40s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent. .FRIDAY...Mostly sunny. Highs in the 60s. North winds 10 to 20 mph with gusts up to 30 mph. .FRIDAY NIGHT...Mostly cloudy with a 10 percent chance of showers. Lows in the lower to mid 40s. .SATURDAY...Partly cloudy. Highs in the lower to mid 70s. .SATURDAY NIGHT...Mostly clear. Lows in the lower to mid 40s. .SUNDAY...Mostly sunny. Highs 81 to 87. .SUNDAY NIGHT...Partly cloudy. Lows 46 to 52. .MEMORIAL DAY...Mostly sunny. Highs in the mid to upper 80s. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows near 50. .TUESDAY...Partly cloudy with a 30 percent chance of thunderstorms. Windy. Highs in the lower to mid 80s. .TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of thunderstorms. Lows near 50. .WEDNESDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Highs in the upper 70s. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows in the mid 40s to lower 50s. .THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs in the upper 70s. $$ COZ046-047-222300- North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- Including Agate, Hugo, Limon, Matheson, Forder, Karval, Kutch, and Punkin Center 201 AM MDT Fri May 22 2026 .REST OF TONIGHT...Partly cloudy. Chance of showers and slight chance of thunderstorms after midnight, then a slight chance of showers towards sunrise. Lows 36 to 42. North winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 30 percent. .FRIDAY...Mostly sunny. Highs 60 to 66. North winds 15 to 25 mph. Gusts up to 35 mph in the morning. .FRIDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows 37 to 43. Chance of rain 40 percent. .SATURDAY...Mostly cloudy with a 20 percent chance of thunderstorms. Highs near 70. South winds 10 to 15 mph with gusts up to 20 mph. .SATURDAY NIGHT...Mostly clear. Lows in the lower to mid 40s. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs 79 to 85. Lows 45 to 51. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 51. .TUESDAY...Partly cloudy with a 30 percent chance of thunderstorms. Windy. Highs near 80. .TUESDAY NIGHT...Mostly cloudy. Lows 44 to 50. .WEDNESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs in the mid to upper 70s. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows 43 to 49. Highs 74 to 80. Chance of rain 30 percent. $$ COZ048>051-222300- 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 201 AM MDT Fri May 22 2026 .REST OF TONIGHT...Showers likely and slight chance of thunderstorms after midnight, then a chance of showers towards sunrise. Lows around 40. Northwest winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent. .FRIDAY...Mostly sunny. Highs in the mid 60s. Northwest winds 15 to 25 mph with gusts up to 35 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of showers after midnight. Lows in the lower 40s. Chance of rain 40 percent. .SATURDAY...Mostly cloudy. Highs in the lower to mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. South winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs 84 to 89. Lows in the lower 50s. .MONDAY NIGHT AND TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Very windy. Lows in the lower 50s. Highs in the lower to mid 80s. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Windy. Lows in the lower 50s. .WEDNESDAY...Mostly cloudy with a 40 percent chance of thunderstorms. Highs in the upper 70s. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows in the upper 40s. .THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs in the upper 70s. $$ COZ035-222300- Larimer and Boulder Counties Between 6000 and 9000 Feet- Including Estes Park, Glendevey, Nederland, and Red Feather Lakes 201 AM MDT Fri May 22 2026 .REST OF TONIGHT...Slight chance of rain showers after midnight. Partly cloudy with a slight chance of snow showers. Lows 28 to 38. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy. Highs 52 to 62. .FRIDAY NIGHT...Mostly cloudy. Slight chance of rain and snow showers in the evening. Lows 31 to 41. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy. Highs 57 to 67. .SATURDAY NIGHT...Mostly clear. Lows 36 to 46. .SUNDAY...Mostly sunny with a 20 percent chance of thunderstorms. Warmer. Highs 67 to 77. .SUNDAY NIGHT...Partly cloudy. Lows 41 to 51. .MEMORIAL DAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 69 to 79. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 43 to 53. .TUESDAY...Showers likely and chance of thunderstorms. Highs 66 to 76. Chance of rain 70 percent. .TUESDAY NIGHT AND WEDNESDAY...Showers likely and chance of thunderstorms. Lows 41 to 51. Highs 63 to 71. Chance of rain 60 percent. .WEDNESDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows 40 to 50. Chance of rain 40 percent. .THURSDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 63 to 71. $$ COZ036-222300- 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 201 AM MDT Fri May 22 2026 .REST OF TONIGHT...Partly cloudy with a slight chance of rain showers. Slight chance of snow showers towards sunrise. Lows 31 to 41. Chance of precipitation 20 percent. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with a chance of thunderstorms in the afternoon. Highs 52 to 62. Chance of precipitation 30 percent. .FRIDAY NIGHT...Rain showers likely and chance of thunderstorms in the evening, then a chance of rain showers after midnight. Lows 34 to 44. Chance of rain 70 percent. .SATURDAY...Mostly cloudy with a 20 percent chance of thunderstorms. Highs 58 to 68. .SATURDAY NIGHT...Mostly clear. Lows 35 to 45. .SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms. Warmer. Highs 68 to 78. .SUNDAY NIGHT...Partly cloudy with a 10 percent chance of thunderstorms. Lows 41 to 51. .MEMORIAL DAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 70 to 80. .MONDAY NIGHT...Mostly cloudy with a 30 percent chance of thunderstorms. Lows 43 to 53. .TUESDAY...Showers likely and chance of thunderstorms. Highs 67 to 77. Chance of rain 60 percent. .TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of thunderstorms. Lows 41 to 51. .WEDNESDAY...Showers likely and chance of thunderstorms. Highs 64 to 74. Chance of rain 60 percent. .WEDNESDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows 40 to 50. Chance of rain 30 percent. .THURSDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 64 to 74. $$ COZ030-032-222300- Jackson County Below 9000 Feet- Grand and Summit Counties Below 9000 Feet- Including Gould, North Park, Rand, Spicer, Walden, Dillon, Fraser, Granby, Grand Lake, Hot Sulphur Springs, and Kremmling 201 AM MDT Fri May 22 2026 .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of snow showers. Lows 25 to 31. .FRIDAY...Partly cloudy. Highs 52 to 60. .FRIDAY NIGHT...Mostly cloudy with a slight chance of rain showers in the evening, then partly cloudy after midnight. Lows 27 to 33. Chance of rain 10 percent. .SATURDAY...Partly cloudy. Highs 57 to 63. West winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY NIGHT...Mostly clear. Lows 29 to 35. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 66 to 72. Lows 33 to 39. .MEMORIAL DAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 70 to 76. .MONDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 34 to 42. Chance of rain 30 percent. .TUESDAY...Rain showers likely and chance of thunderstorms. Highs 65 to 71. Chance of rain 70 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 33 to 39. Chance of rain 50 percent. .WEDNESDAY...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 65 to 71. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 32 to 40. Chance of rain 30 percent. .THURSDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 66 to 74. $$ COZ037-222300- Central and Southeast Park County- Including Fairplay, Hartsel, Lake George, and South Park 201 AM MDT Fri May 22 2026 .REST OF TONIGHT...Mostly clear. Lows 28 to 34. .FRIDAY...Mostly sunny in the morning, then mostly cloudy with a chance of thunderstorms in the afternoon. Highs 55 to 63. Southwest winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 30 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of rain showers. Chance of snow showers and slight chance of thunderstorms in the evening, then a slight chance of snow showers after midnight. Lows 32 to 38. Southeast winds 10 to 15 mph in the evening, becoming light. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy. Highs 56 to 64. West winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY NIGHT...Mostly clear. Lows 32 to 38. .SUNDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs 63 to 71. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 37 to 43. .MEMORIAL DAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 65 to 73. .MONDAY NIGHT...Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows 38 to 44. Chance of rain 30 percent. .TUESDAY...Showers likely and chance of thunderstorms. Highs 60 to 68. Chance of rain 60 percent. .TUESDAY NIGHT...Partly cloudy with a 30 percent chance of thunderstorms. Lows 36 to 42. .WEDNESDAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 61 to 69. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 35 to 41. Chance of rain 30 percent. .THURSDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs 62 to 70. $$ COZ031-033-222300- West Jackson and West Grand Counties Above 9000 Feet- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- Including Mt Zirkel, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, and Willow Creek Pass 201 AM MDT Fri May 22 2026 .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of snow showers. Lows 22 to 30. .FRIDAY...Partly cloudy. Highs 42 to 52. .FRIDAY NIGHT...Mostly cloudy. Slight chance of snow showers in the evening. Lows 24 to 32. Chance of snow 20 percent. .SATURDAY...Partly cloudy. Highs 46 to 56. West winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY NIGHT...Mostly clear. Lows 28 to 36. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 55 to 65. Lows 32 to 42. .MEMORIAL DAY...Partly cloudy with a 40 percent chance of thunderstorms. Highs 59 to 69. .MONDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 34 to 44. Chance of rain 30 percent. .TUESDAY...Rain showers likely and chance of thunderstorms. Highs 56 to 66. Chance of rain 70 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 32 to 42. Chance of rain 50 percent. .WEDNESDAY...Mostly cloudy with a chance of thunderstorms and snow showers. Highs 54 to 64. Chance of snow 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 32 to 42. Chance of rain 30 percent. .THURSDAY...Partly cloudy with a 50 percent chance of thunderstorms. Highs 55 to 65. $$ COZ034-222300- 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 201 AM MDT Fri May 22 2026 .REST OF TONIGHT...Partly cloudy with a 10 percent chance of snow showers. Lows 21 to 31. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with a slight chance of thunderstorms and snow showers in the afternoon. Highs 44 to 54. Chance of snow 10 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of snow showers, rain showers and slight chance of thunderstorms in the evening, then a slight chance of snow showers after midnight. Lows 25 to 35. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs 46 to 56. West winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY NIGHT...Mostly clear. Lows 26 to 36. .SUNDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs 55 to 65. .SUNDAY NIGHT...Partly cloudy with a 10 percent chance of thunderstorms. Lows 31 to 41. .MEMORIAL DAY...Rain showers likely and chance of thunderstorms. Highs 57 to 67. Chance of rain 70 percent. .MONDAY NIGHT...Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 33 to 43. Chance of rain 30 percent. .TUESDAY...Rain showers, chance of thunderstorms and slight chance of snow showers. Highs 53 to 63. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows 31 to 41. .WEDNESDAY...Rain showers likely, chance of thunderstorms and snow showers. Highs 53 to 63. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers, snow showers and slight chance of thunderstorms. Lows 31 to 41. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy with a chance of thunderstorms and snow showers. Highs 54 to 64. Chance of snow 50 percent. $$