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FPUS55 KBOU 090006
ZFPBOU

Zone Forecast Product for Northeast Colorado
National Weather Service Denver/Boulder CO
605 PM MDT Fri May 8 2026

COZ038>040-091200-
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 PM MDT Fri May 8 2026

.TONIGHT...Partly cloudy. Lows 42 to 48.
.SATURDAY...Partly cloudy. Slight chance of thunderstorms in the
afternoon. Highs 72 to 78. Northwest winds 10 to 20 mph. Gusts up
to 40 mph in the afternoon. Chance of precipitation 10 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Slight chance of thunderstorms in the evening.
Chance of showers. Lows 37 to 47. North winds 10 to 20 mph with
gusts up to 40 mph in the evening, becoming light. Chance of rain
30 percent.
.SUNDAY...Mostly sunny. Highs near 70.
.SUNDAY NIGHT...Mostly clear. Lows 40 to 48.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the mid to
upper 80s. Lows 49 to 55.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 78 to 84. Lows
46 to 56.
.WEDNESDAY...Mostly sunny. Highs 84 to 90.
.WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 59.
.THURSDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs in the lower to mid 80s.
.THURSDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows 49 to 57.
.FRIDAY...Mostly sunny with a 10 percent chance of thunderstorms.
Highs in the lower to mid 80s.

$$

COZ041-091200-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
605 PM MDT Fri May 8 2026

.TONIGHT...Partly cloudy. Lows 41 to 47. Southwest winds 10 to
15 mph with gusts up to 25 mph after midnight.
.SATURDAY...Partly cloudy. Highs in the lower to mid 70s.
Northwest winds 10 to 15 mph with gusts up to 20 mph.
.SATURDAY NIGHT...Slight chance of thunderstorms in the evening.
Mostly cloudy with a chance of showers. Lows 37 to 43. North
winds 10 to 15 mph in the evening, becoming light. Chance of rain
40 percent.
.SUNDAY...Mostly sunny. Highs in the 60s.
.SUNDAY NIGHT...Mostly clear. Lows 40 to 46. South winds 10 to
15 mph with gusts up to 25 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 78 to 84. Lows near
50.
.TUESDAY NIGHT...Partly cloudy. Lows 47 to 55.
.WEDNESDAY...Mostly sunny with a 10 percent chance of
thunderstorms. Highs 81 to 87.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 50 to 56.
.THURSDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs near 80.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows 48 to 54.
.FRIDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 77 to 83.

$$

COZ042>045-091200-
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 PM MDT Fri May 8 2026

.TONIGHT...Partly cloudy. Lows 40 to 46.
.SATURDAY...Partly cloudy. Slight chance of thunderstorms in the
afternoon. Highs in the mid to upper 70s. Northwest winds 10 to
20 mph. Gusts up to 35 mph in the afternoon. Chance of
precipitation 10 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then a slight chance of
showers after midnight. Lows 36 to 42. Northeast winds 20 to
25 mph with gusts up to 35 mph in the evening, becoming light.
Chance of rain 40 percent.
.SUNDAY...Mostly sunny. Highs near 70.
.SUNDAY NIGHT...Clear. Lows 39 to 45.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the mid to
upper 80s. Lows 46 to 52.
.TUESDAY...Sunny. Highs in the lower 80s.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 44 to 50. Highs
near 90.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
46 to 55. Highs in the mid to upper 80s.
.FRIDAY...Mostly sunny. Highs in the 80s.

$$

COZ046-047-091200-
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 PM MDT Fri May 8 2026

.TONIGHT...Mostly clear. Lows 38 to 44.
.SATURDAY...Mostly sunny. Highs in the mid to upper 70s.
Northwest winds 10 to 20 mph with gusts up to 30 mph.
.SATURDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms
in the evening, then a slight chance of showers after midnight.
Lows 35 to 41. North winds 10 to 15 mph with gusts up to 30 mph.
Chance of rain 20 percent.
.SUNDAY...Partly cloudy. Highs in the upper 60s.
.SUNDAY NIGHT...Clear. Lows 37 to 43.
.MONDAY THROUGH TUESDAY...Clear. Highs near 80. Lows 44 to 50.
.TUESDAY NIGHT...Partly cloudy. Lows 42 to 50.
.WEDNESDAY...Mostly sunny. Highs in the lower to mid 80s.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 47 to 53.
.THURSDAY...Partly cloudy. Highs in the 80s.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows 45 to 51.
.FRIDAY...Partly cloudy. Highs in the lower to mid 80s.

$$

COZ048>051-091200-
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 PM MDT Fri May 8 2026

.TONIGHT...Partly cloudy. Lows in the mid 40s. Southwest winds
10 to 15 mph with gusts up to 20 mph after midnight.
.SATURDAY...Partly cloudy. Chance of thunderstorms in the
afternoon. Highs in the 70s. West winds 10 to 15 mph, becoming
north in the afternoon. Gusts up to 30 mph. Chance of
precipitation 40 percent.
.SATURDAY NIGHT...Slight chance of thunderstorms in the evening.
Mostly cloudy with a chance of showers. Lows in the upper 30s.
Northeast winds 20 to 25 mph with gusts up to 30 mph in the
evening, becoming light. Chance of rain 30 percent.
.SUNDAY...Mostly sunny. Highs near 70.
.SUNDAY NIGHT...Clear. Lows in the lower to mid 40s. South winds
10 to 15 mph with gusts up to 30 mph.
.MONDAY...Sunny, warmer. Highs 85 to 91.
.MONDAY NIGHT...Mostly clear. Lows near 50.
.TUESDAY...Sunny. Highs around 80.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the mid to
upper 40s. Highs in the mid 80s to lower 90s.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in
the lower 50s. Highs in the mid to upper 80s.
.FRIDAY...Mostly sunny. Highs in the mid to upper 80s.

$$

COZ035-091200-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including Estes Park, Glendevey, Nederland, and Red Feather Lakes
605 PM MDT Fri May 8 2026

.TONIGHT...Partly cloudy. Lows 36 to 46. West winds 10 to 15 mph
with gusts up to 20 mph after midnight.
.SATURDAY...Mostly sunny. Highs 60 to 70. West winds 10 to
15 mph, becoming northwest 20 to 25 mph in the afternoon.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms in the evening, then partly cloudy
with a slight chance of rain showers after midnight. Lows 31 to
41. Chance of rain 30 percent.
.SUNDAY...Mostly sunny. Highs 58 to 68.
.SUNDAY NIGHT...Mostly clear. Lows 35 to 45.
.MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 72 to 82.
Lows 44 to 54.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 75 to 83.
Lows 47 to 57.
.THURSDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 70 to 80.
.THURSDAY NIGHT...Partly cloudy. Lows 44 to 54.
.FRIDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 70 to 80.

$$

COZ036-091200-
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 PM MDT Fri May 8 2026

.TONIGHT...Partly cloudy. Lows 36 to 46.
.SATURDAY...Partly cloudy. Highs 63 to 73. Northwest winds 10 to
15 mph in the afternoon.
.SATURDAY NIGHT...Slight chance of thunderstorms in the evening.
Mostly cloudy with a chance of rain showers. Lows 35 to 45. North
winds 10 to 15 mph with gusts up to 30 mph in the evening,
becoming light. Chance of rain 40 percent.
.SUNDAY...Mostly sunny. Highs 58 to 68.
.SUNDAY NIGHT...Mostly clear. Lows 36 to 46.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs 74 to 84. Lows
44 to 54.
.TUESDAY...Mostly sunny with a 10 percent chance of
thunderstorms. Highs 74 to 84.
.TUESDAY NIGHT...Partly cloudy. Lows 45 to 55.
.WEDNESDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 76 to 86.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 47 to 57.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 72 to 82.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows 44 to 54.
.FRIDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 71 to 81.

$$

COZ030-032-091200-
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 PM MDT Fri May 8 2026

.TONIGHT...Partly cloudy. Lows 30 to 36.
.SATURDAY...Mostly sunny. Highs 57 to 65. West winds 15 to 25 mph
with gusts up to 35 mph.
.SATURDAY NIGHT...Mostly clear. Lows 27 to 33. Northwest winds
10 to 15 mph with gusts up to 35 mph in the evening, becoming
light.
.SUNDAY...Mostly sunny. Highs 62 to 70.
.SUNDAY NIGHT...Mostly clear. Lows 30 to 36.
.MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 71 to 81.
Lows 36 to 44.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 75 to 81.
Lows 39 to 45.
.THURSDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 70 to 76.
.THURSDAY NIGHT...Partly cloudy. Lows 36 to 42.
.FRIDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 70 to 76.

$$

COZ037-091200-
Central and Southeast Park County-
Including Fairplay, Hartsel, Lake George, and South Park
605 PM MDT Fri May 8 2026

.TONIGHT...Partly cloudy. Lows 31 to 37.
.SATURDAY...Partly cloudy. Highs 58 to 66. Northwest winds 15 to
25 mph with gusts up to 35 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 10 percent chance of rain showers. Lows 31 to
37. North winds 10 to 15 mph with gusts up to 30 mph in the
evening, becoming light.
.SUNDAY...Partly cloudy. Highs 58 to 66.
.SUNDAY NIGHT...Mostly clear. Lows in the lower to mid 30s.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 68 to 78. Lows
37 to 43.
.TUESDAY NIGHT...Partly cloudy. Lows 39 to 45.
.WEDNESDAY...Mostly sunny with a 20 percent chance of
thunderstorms. Highs 71 to 79.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 40 to 46.
.THURSDAY...Partly cloudy with a 40 percent chance of
thunderstorms. Highs 67 to 73.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 38 to 44.
.FRIDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 66 to 72.

$$

COZ031-033-091200-
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 PM MDT Fri May 8 2026

.TONIGHT...Partly cloudy. Lows 28 to 38. West winds 10 to 15 mph
with gusts up to 25 mph.
.SATURDAY...Mostly sunny. Highs 47 to 57. West winds 15 to 25 mph
with gusts up to 35 mph.
.SATURDAY NIGHT...Partly cloudy. Chance of rain showers, slight
chance of thunderstorms and snow showers in the evening. Lows
23 to 33. Northwest winds 10 to 15 mph with gusts up to 35 mph in
the evening, becoming light. Chance of precipitation 30 percent.
.SUNDAY...Mostly sunny. Highs 50 to 60.
.SUNDAY NIGHT...Mostly clear. Lows 27 to 37.
.MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 62 to 72.
Lows 36 to 46.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 65 to 75.
Lows 37 to 47.
.THURSDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 59 to 69.
.THURSDAY NIGHT...Partly cloudy. Lows 34 to 44.
.FRIDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 60 to 70.

$$

COZ034-091200-
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 PM MDT Fri May 8 2026

.TONIGHT...Partly cloudy. Lows 26 to 36. West winds 10 to 15 mph
with gusts up to 25 mph.
.SATURDAY...Mostly sunny. Highs 47 to 57. West winds 15 to 25 mph
with gusts up to 35 mph.
.SATURDAY NIGHT...Partly cloudy. Lows 24 to 34. Northwest winds
10 to 15 mph with gusts up to 40 mph in the evening, becoming
light.
.SUNDAY...Mostly sunny. Highs 50 to 60.
.SUNDAY NIGHT...Mostly clear. Lows 27 to 37.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 61 to 71. Lows
33 to 43.
.TUESDAY NIGHT...Partly cloudy. Lows 35 to 45.
.WEDNESDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 64 to 74.
.WEDNESDAY NIGHT...Partly cloudy. Lows 36 to 46.
.THURSDAY...Partly cloudy with a 40 percent chance of
thunderstorms. Highs 59 to 69.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows 33 to 43.
.FRIDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 58 to 68.

$$