Zone Forecast Product
Issued by NWS Denver/Boulder, CO

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845
FPUS55 KBOU 051205
ZFPBOU

Zone Forecast Product for Northeast Colorado
National Weather Service Denver/Boulder CO
605 AM MDT Fri Jun 5 2026

COZ038>040-060300-
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 Fri Jun 5 2026

.TODAY...Mostly sunny. Highs in the mid to upper 80s.
.TONIGHT...Mostly clear. Lows in the mid 50s to lower 60s.
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. South
winds 10 to 15 mph with gusts up to 25 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 58 to 64. South winds 10 to
15 mph with gusts up to 30 mph.
.SUNDAY...Partly cloudy. Highs 91 to 97.
.SUNDAY NIGHT...Partly cloudy. Lows 56 to 62.
.MONDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 84 to 90.
.MONDAY NIGHT...Partly cloudy. Lows 55 to 61.
.TUESDAY...Mostly sunny. Highs 92 to 98.
.TUESDAY NIGHT...Partly cloudy. Lows 57 to 63.
.WEDNESDAY...Mostly sunny. Highs 93 to 99.
.WEDNESDAY NIGHT...Partly cloudy. Lows 56 to 62.
.THURSDAY...Mostly sunny. Highs 89 to 97.

$$

COZ041-060300-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
605 AM MDT Fri Jun 5 2026

.TODAY...Mostly sunny. Slight chance of thunderstorms late in the
afternoon. Highs 80 to 86. Chance of precipitation 20 percent.
.TONIGHT...Mostly cloudy with a slight chance of thunderstorms in
the evening, then mostly clear after midnight. Lows 54 to 60.
South winds 10 to 15 mph with gusts up to 20 mph. Chance of
precipitation 20 percent.
.SATURDAY...Mostly sunny. Slight chance of thunderstorms in the
afternoon. Highs 84 to 90. South winds 10 to 20 mph. Gusts up to
30 mph in the afternoon. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 52 to 60. South winds 10 to 15 mph with gusts
up to 25 mph.
.SUNDAY...Mostly sunny. Highs 86 to 92. Southwest winds 10 to
15 mph with gusts up to 20 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid to upper 50s.
.MONDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 81 to 87.
.MONDAY NIGHT...Partly cloudy. Lows 53 to 59.
.TUESDAY...Mostly sunny. Highs 87 to 93.
.TUESDAY NIGHT...Partly cloudy. Lows 55 to 61.
.WEDNESDAY...Mostly sunny. Highs 89 to 95.
.WEDNESDAY NIGHT...Partly cloudy. Lows 54 to 60.
.THURSDAY...Mostly sunny. Highs 87 to 93.

$$

COZ042>045-060300-
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
605 AM MDT Fri Jun 5 2026

.TODAY...Mostly sunny. Highs in the mid 80s to lower 90s. North
winds 10 to 15 mph with gusts up to 25 mph in the morning,
becoming light.
.TONIGHT...Mostly clear. Lows in the mid to upper 50s. Southeast
winds 10 to 15 mph with gusts up to 20 mph in the evening,
becoming light.
.SATURDAY...Mostly sunny. Highs in the 90s. South winds 10 to
20 mph with gusts up to 35 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows near 60. South winds 10 to
20 mph with gusts up to 30 mph.
.SUNDAY...Mostly sunny. Highs in the mid to upper 90s.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy with a
20 percent chance of thunderstorms. Lows 54 to 59. Highs near 90.
.TUESDAY...Mostly sunny. Highs 96 to 100.
.TUESDAY NIGHT...Partly cloudy. Lows 56 to 62.
.WEDNESDAY...Mostly sunny. Highs 96 to 100.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s to lower
60s.
.THURSDAY...Mostly sunny. Highs in the 90s.

$$

COZ046-047-060300-
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 Fri Jun 5 2026

.TODAY...Mostly sunny. Slight chance of thunderstorms late in the
afternoon. Highs 84 to 90. North winds 10 to 15 mph, becoming
northeast in the afternoon. Chance of precipitation 20 percent.
.TONIGHT...Partly cloudy. Slight chance of thunderstorms in the
evening. Lows 51 to 57. Southeast winds 10 to 15 mph with gusts
up to 20 mph in the evening, becoming light. Chance of
precipitation 20 percent.
.SATURDAY...Mostly sunny. Highs near 90. South winds 10 to 20 mph
in the afternoon. Gusts up to 30 mph.
.SATURDAY NIGHT...Mostly clear. Lows 51 to 57. South winds 10 to
20 mph with gusts up to 30 mph.
.SUNDAY...Mostly sunny. Highs in the lower to mid 90s. South
winds 10 to 15 mph with gusts up to 25 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid to upper 50s.
.MONDAY...Mostly sunny with a 20 percent chance of thunderstorms.
Highs 85 to 91.
.MONDAY NIGHT...Mostly clear with a 10 percent chance of
thunderstorms. Lows in the 50s.
.TUESDAY...Mostly sunny. Highs in the 90s.
.TUESDAY NIGHT...Partly cloudy. Lows near 60.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 93 to 98. Lows
in the mid 50s to lower 60s.

$$

COZ048>051-060300-
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 Fri Jun 5 2026

.TODAY...Mostly sunny. Highs in the upper 80s. North winds 10 to
20 mph. Gusts up to 30 mph in the morning.
.TONIGHT...Mostly clear. Lows in the mid 50s. Southeast winds
10 to 15 mph with gusts up to 20 mph in the evening, becoming
light.
.SATURDAY...Mostly sunny. Highs in the 90s. Southeast winds 15 to
25 mph. Gusts up to 35 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows near 60. South winds 20 to
25 mph with gusts up to 35 mph.
.SUNDAY...Mostly sunny. Highs in the 90s. South winds 20 to
25 mph with gusts up to 35 mph.
.SUNDAY NIGHT...Partly cloudy with a 30 percent chance of
thunderstorms. Lows in the upper 50s.
.MONDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs in the upper 80s.
.MONDAY NIGHT...Partly cloudy with a chance of showers and slight
chance of thunderstorms. Lows in the upper 50s. Chance of rain
30 percent.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Windy. Highs 98 to
102. Lows in the lower 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 60.
.THURSDAY...Mostly sunny. Highs in the mid to upper 90s.

$$

COZ035-060300-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including Estes Park, Glendevey, Nederland, and Red Feather Lakes
605 AM MDT Fri Jun 5 2026

.TODAY...Mostly sunny. Highs 74 to 84.
.TONIGHT...Mostly clear. Lows 47 to 57.
.SATURDAY...Partly cloudy. Slight chance of thunderstorms in the
afternoon. Highs 77 to 87. South winds 10 to 15 mph with gusts up
to 20 mph in the afternoon. Chance of precipitation 10 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 50 to 60.
.SUNDAY...Partly cloudy. Highs 77 to 87. Southwest winds 10 to
15 mph with gusts up to 30 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 48 to 58.
.MONDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 72 to 82.
.MONDAY NIGHT...Partly cloudy. Lows 47 to 57.
.TUESDAY...Mostly sunny. Highs 79 to 89.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows
48 to 58. Highs 79 to 89.
.THURSDAY...Mostly sunny. Highs 76 to 86.

$$

COZ036-060300-
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 Fri Jun 5 2026

.TODAY...Partly cloudy. Slight chance of thunderstorms in the
afternoon. Highs 74 to 84. Chance of precipitation 20 percent.
.TONIGHT...Mostly cloudy with a slight chance of thunderstorms in
the evening, then mostly clear after midnight. Lows 48 to 58.
Chance of precipitation 20 percent.
.SATURDAY...Mostly sunny in the morning, then mostly cloudy with
a chance of thunderstorms in the afternoon. Highs 77 to 87. South
winds 10 to 15 mph with gusts up to 20 mph in the afternoon.
Chance of precipitation 30 percent.
.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...Partly cloudy. Highs 79 to 89. Southwest winds 10 to
15 mph with gusts up to 25 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 48 to 58.
.MONDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 74 to 84.
.MONDAY NIGHT...Partly cloudy. Lows 47 to 57.
.TUESDAY...Mostly sunny. Highs 80 to 90.
.TUESDAY NIGHT...Partly cloudy. Lows 48 to 58.
.WEDNESDAY...Mostly sunny. Highs 81 to 91.
.WEDNESDAY NIGHT...Partly cloudy. Lows 48 to 58.
.THURSDAY...Mostly sunny. Highs 80 to 90.

$$

COZ030-032-060300-
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 Fri Jun 5 2026

.TODAY...Mostly sunny. Highs 74 to 80. West winds 10 to 15 mph
with gusts up to 25 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 40 to 46.
.SATURDAY...Sunny in the morning, then partly cloudy with a
slight chance of thunderstorms in the afternoon. Highs 77 to 83.
Southwest winds 10 to 15 mph with gusts up to 20 mph in the
afternoon. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 41 to 47.
.SUNDAY...Partly cloudy. Highs 74 to 80. Southwest winds 20 to
25 mph with gusts up to 40 mph.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Windy. Lows 39 to
46. Highs 73 to 81.
.TUESDAY NIGHT...Partly cloudy. Lows 41 to 47.
.WEDNESDAY...Mostly sunny. Windy. Highs 75 to 81.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of
showers. Lows 41 to 47.
.THURSDAY...Mostly sunny. Windy. Highs 72 to 78.

$$

COZ037-060300-
Central and Southeast Park County-
Including Fairplay, Hartsel, Lake George, and South Park
605 AM MDT Fri Jun 5 2026

.TODAY...Sunny in the morning, then mostly cloudy with a slight
chance of thunderstorms in the afternoon. Highs 70 to 78. Chance
of precipitation 20 percent.
.TONIGHT...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...Mostly sunny in the morning, then mostly cloudy with
a chance of thunderstorms in the afternoon. Highs 70 to 78. South
winds 10 to 15 mph with gusts up to 20 mph in the afternoon.
Chance of precipitation 40 percent.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 41 to 47.
.SUNDAY...Partly cloudy. Highs 70 to 78. West winds 10 to 20 mph
with gusts up to 35 mph.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 42 to
48. Highs 69 to 77.
.TUESDAY...Mostly sunny. Windy. Highs 72 to 80.
.TUESDAY NIGHT...Partly cloudy. Lows 42 to 48.
.WEDNESDAY...Mostly sunny. Windy. Highs 73 to 81.
.WEDNESDAY NIGHT...Partly cloudy. Lows 42 to 48.
.THURSDAY...Mostly sunny. Windy. Highs 72 to 80.

$$

COZ031-033-060300-
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 Fri Jun 5 2026

.TODAY...Mostly sunny. Highs 64 to 74. West winds 10 to 15 mph in
the afternoon.
.TONIGHT...Mostly clear. Lows 40 to 48.
.SATURDAY...Mostly sunny. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs 67 to 77. Southwest winds
10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of
rain 30 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 40 to 50. Southwest winds
10 to 15 mph with gusts up to 20 mph.
.SUNDAY...Partly cloudy. Highs 64 to 74. Southwest winds 10 to
20 mph with gusts up to 40 mph.
.SUNDAY NIGHT...Mostly clear. Lows 39 to 47.
.MONDAY...Mostly sunny with a 30 percent chance of thunderstorms.
Highs 63 to 73.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 39 to 47. Highs
66 to 76.
.TUESDAY NIGHT...Partly cloudy. Lows 40 to 48.
.WEDNESDAY...Mostly sunny. Highs 66 to 76.
.WEDNESDAY NIGHT...Partly cloudy with a 10 percent chance of
showers. Lows 40 to 48.
.THURSDAY...Mostly sunny. Highs 63 to 73.

$$

COZ034-060300-
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 Fri Jun 5 2026

.TODAY...Partly cloudy. Slight chance of thunderstorms in the
afternoon. Highs 63 to 73. West winds 10 to 15 mph in the
afternoon. Chance of precipitation 20 percent.
.TONIGHT...Partly cloudy. Slight chance of rain showers in the
evening. Lows 37 to 47. Chance of rain 10 percent.
.SATURDAY...Mostly sunny in the morning, then mostly cloudy with
a chance of rain showers and slight chance of thunderstorms in
the afternoon. Highs 64 to 74. Chance of rain 40 percent.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 38 to 48. Southwest winds 10 to 15 mph with gusts
up to 20 mph.
.SUNDAY...Partly cloudy. Highs 63 to 73. West winds 10 to 20 mph
with gusts up to 40 mph.
.SUNDAY NIGHT...Mostly clear. Lows 37 to 47.
.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...Mostly sunny. Highs 65 to 75.
.TUESDAY NIGHT...Partly cloudy. Lows 37 to 47.
.WEDNESDAY...Mostly sunny. Windy. Highs 65 to 75.
.WEDNESDAY NIGHT...Partly cloudy. Lows 37 to 47.
.THURSDAY...Mostly sunny. Highs 64 to 74.

$$