656
FPUS55 KBOU 041848
ZFPBOU

Zone Forecast Product for Northeast Colorado
National Weather Service Denver/Boulder CO
1248 PM MDT Thu Jun 4 2026

COZ038>040-050900-
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 PM MDT Thu Jun 4 2026

.REST OF TODAY...Partly cloudy. Slight chance of thunderstorms
late in the afternoon. Highs near 90. Chance of precipitation
20 percent.
.TONIGHT...Partly cloudy. Lows in the mid to upper 50s.
.FRIDAY...Mostly sunny. Highs in the mid to upper 80s.
.FRIDAY NIGHT...Mostly clear. Lows 54 to 60. Southeast winds
10 to 15 mph with gusts up to 20 mph in the evening, becoming
light.
.SATURDAY...Mostly sunny. Highs in the lower to mid 90s.
.SATURDAY NIGHT...Partly cloudy. Lows 56 to 62. South winds 10 to
15 mph with gusts up to 30 mph.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 90 to 96. Lows
55 to 61.
.MONDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 84 to 90.
.MONDAY NIGHT...Partly cloudy. Lows 54 to 60.
.TUESDAY...Mostly sunny. Highs 92 to 98.
.TUESDAY NIGHT...Partly cloudy. Lows 56 to 64.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 88 to 98. Lows
55 to 63.

$$

COZ041-050900-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
1248 PM MDT Thu Jun 4 2026

.REST OF TODAY...Partly cloudy. Slight chance of thunderstorms
late in the afternoon. Highs 81 to 87. Chance of precipitation
20 percent.
.TONIGHT...Partly cloudy. Lows in the lower to mid 50s. Southwest
winds 10 to 15 mph with gusts up to 20 mph.
.FRIDAY...Mostly sunny. Slight chance of thunderstorms in the
afternoon. Highs 81 to 87. Chance of precipitation 20 percent.
.FRIDAY NIGHT...Partly cloudy. Slight chance of thunderstorms in
the evening. Lows 53 to 59. South winds 10 to 15 mph with gusts
up to 20 mph. Chance of precipitation 20 percent.
.SATURDAY...Mostly sunny with a 20 percent chance of
thunderstorms. Highs 85 to 91. South winds 10 to 15 mph with
gusts up to 25 mph.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 52 to 60. South winds 10 to 20 mph with gusts
up to 30 mph.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 86 to 92. Lows in
the mid to upper 50s.
.MONDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 81 to 87.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 52 to 58. Highs
88 to 94.
.TUESDAY NIGHT...Partly cloudy. Lows 55 to 61.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 86 to 94. Lows
54 to 60.

$$

COZ042>045-050900-
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 PM MDT Thu Jun 4 2026

.REST OF TODAY...Mostly sunny. Slight chance of thunderstorms
late in the afternoon. Highs near 90. Chance of precipitation
20 percent.
.TONIGHT...Mostly clear. Slight chance of showers early in the
evening. Lows in the lower to mid 50s. West winds 10 to 15 mph
with gusts up to 20 mph after midnight. Chance of rain
10 percent.
.FRIDAY...Mostly sunny. Highs in the mid to upper 80s. North
winds 10 to 15 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the 50s. Southeast winds
10 to 15 mph in the evening, becoming light.
.SATURDAY...Mostly sunny. Highs in the mid to upper 90s. South
winds 10 to 15 mph with gusts up to 30 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s to lower
60s. South winds 15 to 25 mph with gusts up to 35 mph.
.SUNDAY...Mostly sunny. Highs in the 90s.
.SUNDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows in the mid to upper 50s.
.MONDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs in the mid 80s to lower 90s.
.MONDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows in the 50s.
.TUESDAY...Mostly sunny. Highs in the mid to upper 90s.
.TUESDAY NIGHT...Partly cloudy. Lows 55 to 61.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 92 to 99. Lows
in the mid 50s to lower 60s.

$$

COZ046-047-050900-
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 PM MDT Thu Jun 4 2026

.REST OF TODAY...Mostly sunny. Slight chance of thunderstorms
late in the afternoon. Highs in the mid to upper 80s. Chance of
precipitation 20 percent.
.TONIGHT...Mostly clear. Lows in the lower to mid 50s. South
winds 10 to 15 mph in the evening, becoming light.
.FRIDAY...Mostly sunny. Slight chance of thunderstorms in the
afternoon. Highs 85 to 91. North winds 10 to 15 mph with gusts up
to 30 mph, becoming northeast with gusts up to 20 mph in the
afternoon. Chance of precipitation 10 percent.
.FRIDAY NIGHT...Partly cloudy. Slight chance of thunderstorms in
the evening. Lows 51 to 57. Southeast winds 10 to 15 mph in the
evening, becoming light. Chance of precipitation 20 percent.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs around 90.
Lows 51 to 57. South winds 15 to 25 mph with gusts up to 30 mph.
.SUNDAY...Mostly sunny. Highs in the lower to mid 90s.
.SUNDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows in the 50s.
.MONDAY AND MONDAY NIGHT...Mostly clear. A 20 percent chance of
thunderstorms. Highs in the mid to upper 80s. Lows in the lower
to mid 50s.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 91 to 97. Lows in
the mid 50s to lower 60s.

$$

COZ048>051-050900-
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 PM MDT Thu Jun 4 2026

.REST OF TODAY...Mostly sunny. Slight chance of thunderstorms
late in the afternoon. Highs near 90. South winds 10 to 15 mph
with gusts up to 20 mph. Chance of precipitation 20 percent.
.TONIGHT...Partly cloudy. Slight chance of thunderstorms early in
the evening. Lows in the mid 50s. Southeast winds 10 to 15 mph,
becoming southwest after midnight. Chance of precipitation
20 percent.
.FRIDAY...Mostly sunny. Highs in the upper 80s. North winds 10 to
20 mph with gusts up to 30 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds 10 to 15 mph in the evening, becoming light.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the mid to
upper 90s. Lows in the mid 50s to lower 60s. South winds 15 to
25 mph with gusts up to 40 mph.
.SUNDAY...Mostly sunny. Highs in the 90s.
.SUNDAY NIGHT...Partly cloudy with a 30 percent chance of
thunderstorms. Lows in the mid 50s.
.MONDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs in the upper 80s.
.MONDAY NIGHT...Partly cloudy with a 30 percent chance of
thunderstorms. Lows in the mid 50s.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 95 to 101. Lows
around 60.

$$

COZ035-050900-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including Estes Park, Glendevey, Nederland, and Red Feather Lakes
1248 PM MDT Thu Jun 4 2026

.REST OF TODAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs 74 to 84. West winds 10 to 15 mph with gusts
up to 20 mph.
.TONIGHT...Partly cloudy. Lows 47 to 57.
.FRIDAY...Mostly sunny. Highs 75 to 85.
.FRIDAY NIGHT...Mostly clear. Lows 47 to 57.
.SATURDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 78 to 88.
.SATURDAY NIGHT...Partly cloudy. Lows 49 to 59.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 77 to 87. Lows
47 to 57.
.MONDAY...Partly cloudy with a 40 percent chance of
thunderstorms. Highs 72 to 82.
.MONDAY NIGHT...Partly cloudy. Lows 46 to 56.
.TUESDAY THROUGH THURSDAY...Mostly clear. Highs 78 to 88. Lows
49 to 59.

$$

COZ036-050900-
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 PM MDT Thu Jun 4 2026

.REST OF TODAY...Mostly cloudy with a slight chance of
thunderstorms. Chance of showers late in the afternoon. Highs
74 to 84. Chance of rain 30 percent.
.TONIGHT...Partly cloudy. Lows 46 to 56.
.FRIDAY...Mostly sunny. Slight chance of thunderstorms in the
afternoon. Highs 76 to 86. Chance of precipitation 20 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
47 to 57.
.SATURDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 78 to 88.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 49 to 59. Southwest winds 10 to 15 mph with
gusts up to 20 mph.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 79 to 89. Lows
47 to 57.
.MONDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 74 to 84.
.MONDAY NIGHT...Partly cloudy. Lows 46 to 56.
.TUESDAY...Mostly sunny. Highs 81 to 91.
.TUESDAY NIGHT...Partly cloudy. Lows 49 to 59.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 80 to 90. Lows
48 to 58.

$$

COZ030-032-050900-
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 PM MDT Thu Jun 4 2026

.REST OF TODAY...Partly cloudy. Highs 73 to 79. West winds 10 to
20 mph with gusts up to 30 mph.
.TONIGHT...Mostly clear. Lows 38 to 44.
.FRIDAY...Mostly sunny. Highs 75 to 81. West winds 10 to 15 mph
with gusts up to 25 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows 40 to 46.
.SATURDAY...Mostly sunny with a 10 percent chance of
thunderstorms. Highs 78 to 84.
.SATURDAY NIGHT...Partly cloudy. Lows 41 to 47. South winds 10 to
15 mph with gusts up to 25 mph.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 74 to 80. Lows
39 to 45.
.MONDAY...Mostly sunny. Highs 73 to 79.
.MONDAY NIGHT...Partly cloudy. Lows 40 to 46.
.TUESDAY THROUGH THURSDAY...Mostly clear. Windy. Highs 72 to 82.
Lows 40 to 47.

$$

COZ037-050900-
Central and Southeast Park County-
Including Fairplay, Hartsel, Lake George, and South Park
1248 PM MDT Thu Jun 4 2026

.REST OF TODAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs 68 to 76. West winds 10 to 15 mph with gusts
up to 20 mph.
.TONIGHT...Partly cloudy. Lows in the lower to mid 40s.
.FRIDAY...Partly cloudy. Slight chance of thunderstorms in the
afternoon. Highs 71 to 79. Chance of precipitation 20 percent.
.FRIDAY NIGHT...Mostly cloudy with a slight chance of showers in
the evening, then mostly clear after midnight. Lows in the lower
to mid 40s. Chance of rain 20 percent.
.SATURDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 71 to 79.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows in the lower to mid 40s.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 70 to 78. Lows
41 to 47.
.MONDAY...Mostly sunny. Highs 68 to 76.
.MONDAY NIGHT...Partly cloudy. Lows in the lower to mid 40s.
.TUESDAY THROUGH THURSDAY...Mostly clear. Windy. Highs 72 to 81.
Lows 42 to 48.

$$

COZ031-033-050900-
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 PM MDT Thu Jun 4 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 63 to 73. West winds 10 to 20 mph with gusts up
to 30 mph. Chance of rain 10 percent.
.TONIGHT...Mostly clear. Lows 38 to 46. West winds 10 to 15 mph
with gusts up to 25 mph in the evening, becoming light.
.FRIDAY...Mostly sunny. Highs 64 to 74. West winds 10 to 15 mph
in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows 40 to 48.
.SATURDAY...Partly cloudy with a chance of showers and slight
chance of thunderstorms. Highs 68 to 78. Chance of rain
30 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 41 to 49. South winds 10 to
15 mph with gusts up to 25 mph.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 64 to 74. Lows
38 to 46.
.MONDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 62 to 72.
.MONDAY NIGHT...Partly cloudy. Lows 39 to 47.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 67 to 77. Lows
40 to 48.
.WEDNESDAY...Mostly sunny with a 20 percent chance of
thunderstorms. Highs 65 to 75.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 39 to 47.
Highs 63 to 73.

$$

COZ034-050900-
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 PM MDT Thu Jun 4 2026

.REST OF TODAY...Mostly cloudy. Slight chance of showers early in
the afternoon, then a slight chance of thunderstorms late in the
afternoon. Highs 61 to 71. West winds 10 to 15 mph with gusts up
to 25 mph. Chance of rain 20 percent.
.TONIGHT...Partly cloudy. Lows 36 to 46.
.FRIDAY...Mostly sunny. Slight chance of thunderstorms in the
afternoon. Highs 63 to 73. Northwest winds 10 to 15 mph in the
afternoon. Chance of precipitation 20 percent.
.FRIDAY NIGHT...Partly cloudy. Lows 37 to 47.
.SATURDAY...Partly cloudy with a 40 percent chance of
thunderstorms. Highs 64 to 74.
.SATURDAY NIGHT...Partly cloudy. Lows 38 to 48. Southwest winds
10 to 15 mph with gusts up to 25 mph.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 63 to 73. Lows
36 to 46.
.MONDAY...Partly cloudy with a chance of rain showers and slight
chance of thunderstorms. Highs 61 to 71. Chance of rain
30 percent.
.MONDAY NIGHT...Partly cloudy. Lows 36 to 46.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 65 to 75. Lows
37 to 47.
.WEDNESDAY...Mostly sunny with a 10 percent chance of
thunderstorms. Highs 65 to 75.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 37 to 47.
Highs 64 to 74.

$$