436
FPUS55 KBOU 161206
ZFPBOU

Zone Forecast Product for Northeast Colorado
National Weather Service Denver/Boulder CO
605 AM MDT Sun Aug 16 2026

COZ038>040-170300-
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 Aug 16 2026

.TODAY...Patchy fog early in the morning. Partly cloudy in the
morning, then mostly cloudy with a chance of thunderstorms in the
afternoon. Some thunderstorms may be severe early in the
afternoon. Highs in the lower to mid 80s. Chance of precipitation
40 percent.
.TONIGHT...Partly cloudy. Chance of thunderstorms in the evening.
Lows 52 to 60. Chance of precipitation 30 percent.
.MONDAY...Mostly sunny. Highs in the mid 80s to lower 90s.
.MONDAY NIGHT...Mostly clear. Lows 55 to 61.
.TUESDAY...Partly cloudy. Highs 88 to 94.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows 55 to 61.
.WEDNESDAY...Mostly cloudy with a 30 percent chance of
thunderstorms. Highs 83 to 89.
.WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of
thunderstorms. Lows 53 to 61.
.THURSDAY...Mostly sunny with a 10 percent chance of
thunderstorms. Highs near 90.
.THURSDAY NIGHT...Mostly clear. Lows 55 to 63.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy with a 20 percent chance
of thunderstorms. Highs near 90. Lows 56 to 64.
.SATURDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs near 90.

$$

COZ041-170300-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
605 AM MDT Sun Aug 16 2026

.TODAY...Patchy fog early in the morning. Partly cloudy in the
morning, then mostly cloudy with a chance of thunderstorms in the
afternoon. Some thunderstorms may be severe. Highs in the mid 70s
to lower 80s. Chance of precipitation 50 percent.
.TONIGHT...Mostly cloudy with a chance of thunderstorms in the
evening, then partly cloudy after midnight. Lows in the 50s.
South winds 10 to 15 mph with gusts up to 20 mph. Chance of
precipitation 50 percent.
.MONDAY...Mostly sunny. Slight chance of thunderstorms in the
afternoon. Highs in the 80s. Chance of precipitation 20 percent.
.MONDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s.
South winds 10 to 15 mph with gusts up to 20 mph.
.TUESDAY...Mostly sunny. Highs near 90.
.TUESDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows in the mid 50s to lower 60s.
.WEDNESDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs in the 80s.
.WEDNESDAY NIGHT...Partly cloudy with a 40 percent chance of
thunderstorms. Lows in the mid to upper 50s.
.THURSDAY THROUGH FRIDAY NIGHT...Partly cloudy with a 20 percent
chance of thunderstorms. Highs 85 to 91. Lows 56 to 61.
.SATURDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs near 90.

$$

COZ042>045-170300-
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 Sun Aug 16 2026

.TODAY...Patchy fog early in the morning. Mostly cloudy in the
morning, then partly cloudy with a slight chance of thunderstorms
early in the afternoon. Partly cloudy with a chance of
thunderstorms late in the afternoon. Some thunderstorms may be
severe. Highs in the lower to mid 80s. Chance of precipitation
30 percent.
.TONIGHT...Partly cloudy. Chance of thunderstorms in the evening.
Lows in the mid to upper 50s. Southeast winds 10 to 15 mph with
gusts up to 20 mph in the evening, becoming light. Chance of
precipitation 30 percent.
.MONDAY...Mostly sunny. Highs in the upper 80s.
.MONDAY NIGHT...Mostly clear. Lows 55 to 61.
.TUESDAY...Mostly sunny. Highs in the lower to mid 90s.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a 30 percent
chance of thunderstorms. Lows in the mid 50s to lower 60s. Highs
in the mid to upper 80s.
.WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of
thunderstorms. Lows in the mid to upper 50s.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 88 to 94. Lows
near 60.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows near 60.
.SATURDAY...Mostly sunny with a 20 percent chance of
thunderstorms. Highs in the lower to mid 90s.

$$

COZ046-047-170300-
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 Aug 16 2026

.TODAY...Partly cloudy. Slight chance of thunderstorms early in
the afternoon. Chance of thunderstorms late in the afternoon.
Some thunderstorms may be severe. Highs near 80. Chance of
precipitation 40 percent.
.TONIGHT...Mostly cloudy with a chance of thunderstorms in the
evening, then partly cloudy after midnight. Lows in the mid to
upper 50s. South winds 10 to 15 mph with gusts up to 20 mph in
the evening, becoming light. Chance of precipitation 50 percent.
.MONDAY...Mostly sunny. Highs in the 80s. South winds 10 to
15 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the mid to upper 50s.
.TUESDAY...Mostly sunny. Highs in the lower to mid 90s.
.TUESDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows near 60.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 40 percent
chance of thunderstorms. Highs in the 80s. Lows in the mid to
upper 50s.
.THURSDAY...Mostly sunny. Highs in the upper 80s.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. A 20 percent chance of
thunderstorms. Lows in the mid 50s to lower 60s. Highs in the
lower 90s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows in the mid 50s to lower 60s.
.SATURDAY...Mostly sunny with a 20 percent chance of
thunderstorms. Highs near 90.

$$

COZ048>051-170300-
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 Aug 16 2026

.TODAY...Patchy fog early in the morning. Partly cloudy until
late afternoon, then a slight chance of thunderstorms late in the
afternoon. Some thunderstorms may be severe. Highs in the lower
80s. Chance of precipitation 10 percent.
.TONIGHT...Mostly cloudy with a chance of showers and slight
chance of thunderstorms in the evening, then mostly clear after
midnight. Lows in the upper 50s. South winds 10 to 15 mph with
gusts up to 20 mph. Chance of rain 30 percent.
.MONDAY...Mostly sunny. Highs in the mid to upper 80s. South
winds 10 to 15 mph.
.MONDAY NIGHT...Mostly clear. Lows around 60. South winds 10 to
15 mph with gusts up to 20 mph.
.TUESDAY...Mostly sunny. Highs 86 to 92. Northwest winds 10 to
15 mph with gusts up to 25 mph.
.TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of
thunderstorms. Lows in the upper 50s.
.WEDNESDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 80 to 86.
.WEDNESDAY NIGHT...Partly cloudy with a 40 percent chance of
thunderstorms. Lows in the upper 50s.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 85 to 92. Lows in
the upper 50s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.SATURDAY...Mostly sunny with a 20 percent chance of
thunderstorms. Highs near 90.

$$

COZ035-170300-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including Estes Park, Glendevey, Nederland, and Red Feather Lakes
605 AM MDT Sun Aug 16 2026

.TODAY...Patchy fog early in the morning. Mostly sunny in the
morning, then mostly cloudy with a chance of thunderstorms in the
afternoon. Highs 70 to 78. Chance of precipitation 40 percent.
.TONIGHT...Partly cloudy. Lows 46 to 56.
.MONDAY...Partly cloudy. Highs 74 to 84.
.MONDAY NIGHT...Partly cloudy. Lows 49 to 59.
.TUESDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 76 to 86.
.TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of
thunderstorms. Lows 48 to 58.
.WEDNESDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 73 to 83.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and
slight chance of thunderstorms. Lows 47 to 57. Chance of rain
40 percent.
.THURSDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 76 to 86.
.THURSDAY NIGHT...Partly cloudy. Lows 49 to 59.
.FRIDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 77 to 87.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 51 to 61.
.SATURDAY...Partly cloudy with a 50 percent chance of
thunderstorms. Highs 77 to 87.

$$

COZ036-170300-
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 Aug 16 2026

.TODAY...Patchy fog early in the morning. Partly cloudy in the
morning, then mostly cloudy with a chance of thunderstorms in the
afternoon. Highs 68 to 78. Chance of precipitation 40 percent.
.TONIGHT...Mostly cloudy with a chance of thunderstorms in the
evening, then partly cloudy after midnight. Lows 49 to 57. Chance
of precipitation 30 percent.
.MONDAY...Partly cloudy. Highs 74 to 84.
.MONDAY NIGHT...Mostly clear. Lows 51 to 59.
.TUESDAY...Partly cloudy. Highs 78 to 88.
.TUESDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 50 to 60.
.WEDNESDAY...Thunderstorms likely. Highs 75 to 85. Chance of
precipitation 70 percent.
.WEDNESDAY NIGHT...Partly cloudy with a 40 percent chance of
thunderstorms. Lows 50 to 58.
.THURSDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 77 to 87.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 50 to 60.
.FRIDAY...Partly cloudy with a 40 percent chance of
thunderstorms. Highs 78 to 88.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 51 to 61.
.SATURDAY...Showers likely and chance of thunderstorms. Highs
78 to 88. Chance of rain 60 percent.

$$

COZ030-032-170300-
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 Aug 16 2026

.TODAY...Partly cloudy. Slight chance of thunderstorms early in
the afternoon. Highs 72 to 78. Chance of precipitation
10 percent.
.TONIGHT...Partly cloudy. Lows 37 to 47.
.MONDAY...Mostly sunny. Highs 75 to 81. West winds 10 to 15 mph
with gusts up to 20 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows 38 to 48.
.TUESDAY...Partly cloudy. Highs 76 to 82. West winds 10 to 15 mph
with gusts up to 30 mph.
.TUESDAY NIGHT...Mostly cloudy with a 10 percent chance of
showers. Lows 39 to 49.
.WEDNESDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 75 to 81.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 38 to 48.
.THURSDAY...Mostly sunny. Highs 77 to 83.
.THURSDAY NIGHT...Partly cloudy. Lows 39 to 49.
.FRIDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 78 to 84.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 41 to 51.
.SATURDAY...Partly cloudy with a 40 percent chance of
thunderstorms. Highs 78 to 84.

$$

COZ037-170300-
Central and Southeast Park County-
Including Fairplay, Hartsel, Lake George, and South Park
605 AM MDT Sun Aug 16 2026

.TODAY...Partly cloudy in the morning, then mostly cloudy with a
chance of thunderstorms in the afternoon. Highs 68 to 74. Chance
of precipitation 50 percent.
.TONIGHT...Mostly cloudy with a chance of thunderstorms in the
evening, then partly cloudy after midnight. Lows 43 to 51. Chance
of precipitation 50 percent.
.MONDAY...Partly cloudy. Highs 72 to 78.
.MONDAY NIGHT...Partly cloudy. Lows 43 to 51.
.TUESDAY...Partly cloudy. Highs 74 to 82.
.TUESDAY NIGHT...Partly cloudy with a 10 percent chance of
showers. Lows 45 to 53.
.WEDNESDAY...Partly cloudy with a 50 percent chance of
thunderstorms. Highs 72 to 80.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a 40 percent
chance of thunderstorms. Lows 45 to 51. Highs 74 to 82.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 45 to 51.
.FRIDAY...Partly cloudy with a 40 percent chance of
thunderstorms. Highs 75 to 83.
.FRIDAY NIGHT...Partly cloudy with a chance of showers and slight
chance of thunderstorms. Lows 45 to 51. Chance of rain
30 percent.
.SATURDAY...Partly cloudy with a 50 percent chance of
thunderstorms. Highs 74 to 82.

$$

COZ031-033-170300-
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 Aug 16 2026

.TODAY...Mostly sunny in the morning, then mostly cloudy with a
chance of thunderstorms early in the afternoon. Mostly cloudy
with a slight chance of thunderstorms late in the afternoon.
Highs 62 to 72. Chance of precipitation 30 percent.
.TONIGHT...Partly cloudy. Lows 40 to 50.
.MONDAY...Mostly sunny. Highs 65 to 75. West winds 10 to 15 mph
with gusts up to 20 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows 42 to 52.
.TUESDAY...Partly cloudy. Highs 65 to 75. West winds 10 to 15 mph
with gusts up to 30 mph.
.TUESDAY NIGHT...Mostly cloudy with a 10 percent chance of
thunderstorms. Lows 42 to 52.
.WEDNESDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 64 to 74.
.WEDNESDAY NIGHT...Partly cloudy with a chance of rain showers
and slight chance of thunderstorms. Lows 41 to 51. Chance of rain
30 percent.
.THURSDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 66 to 76.
.THURSDAY NIGHT...Partly cloudy. Lows 42 to 52.
.FRIDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 68 to 78.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 43 to 53.
.SATURDAY...Partly cloudy with a 40 percent chance of
thunderstorms. Highs 67 to 77.

$$

COZ034-170300-
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 Aug 16 2026

.TODAY...Mostly sunny in the morning, then mostly cloudy with a
chance of thunderstorms in the afternoon. Highs 59 to 69. Chance
of precipitation 30 percent.
.TONIGHT...Mostly cloudy with a slight chance of thunderstorms in
the evening, then partly cloudy after midnight. Lows 39 to 49.
Chance of precipitation 20 percent.
.MONDAY...Partly cloudy. Highs 63 to 73.
.MONDAY NIGHT...Partly cloudy. Lows 40 to 50.
.TUESDAY...Partly cloudy. Highs 64 to 74. West winds 10 to 15 mph
with gusts up to 25 mph.
.TUESDAY NIGHT...Partly cloudy with a 10 percent chance of
showers. Lows 42 to 52.
.WEDNESDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 63 to 73.
.WEDNESDAY NIGHT...Partly cloudy with a 40 percent chance of
thunderstorms. Lows 41 to 51.
.THURSDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 65 to 75.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 41 to 51.
.FRIDAY...Partly cloudy with a 40 percent chance of
thunderstorms. Highs 66 to 76.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 42 to 52.
.SATURDAY...Showers likely and chance of thunderstorms. Highs
65 to 75. Chance of rain 60 percent.

$$