FPUS55 KBOU 210005
ZFPBOU

Zone Forecast Product for Northeast Colorado
National Weather Service Denver/Boulder CO
605 PM MDT Fri Mar 20 2026

COZ038-211200-
Larimer County Below 6000 Feet/Northwest Weld County-
Including Fort Collins, Hereford, Loveland, and Nunn
605 PM MDT Fri Mar 20 2026

.TONIGHT...Clear. Lows 44 to 50.
.SATURDAY...Mostly sunny. Highs 85 to 91. West winds 10 to 20 mph
with gusts up to 30 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 39 to 47. Northwest winds
10 to 15 mph with gusts up to 30 mph.
.SUNDAY...Partly cloudy. Cooler. Highs 61 to 69. East winds 10 to
15 mph with gusts up to 20 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Highs 70 to 76. Lows in
the mid to upper 40s.
.TUESDAY...Mostly cloudy. Highs 76 to 82.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 46 to 52.
Highs 85 to 91.
.WEDNESDAY NIGHT...Mostly clear. Lows 39 to 45.
.THURSDAY...Partly cloudy. Cooler. Highs 65 to 73.
.THURSDAY NIGHT...Mostly cloudy. Colder. Lows 27 to 33.
.FRIDAY...Partly cloudy. Highs 58 to 64.

$$

COZ039-211200-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
Including Arvada, Boulder, Golden, Lakewood, and Longmont
605 PM MDT Fri Mar 20 2026

.TONIGHT...Mostly clear. Lows 49 to 55.
.SATURDAY...Partly cloudy. Highs near 90. West winds 10 to 15 mph
with gusts up to 25 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. West
winds 10 to 15 mph with gusts up to 30 mph in the evening,
becoming light.
.SUNDAY...Partly cloudy. Much cooler. Highs in the upper 60s.
.SUNDAY NIGHT...Partly cloudy. Lows 40 to 46.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Highs in the mid to
upper 70s. Lows near 50.
.TUESDAY...Mostly cloudy. Highs in the lower 80s.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
to mid 50s. Highs near 90.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid 40s
to lower 50s. Highs in the lower 70s.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows in the mid to
upper 30s. Highs in the mid 60s.

$$

COZ040-211200-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Including Aurora, Brighton, City of Denver,
Denver International Airport, Highlands Ranch, Littleton,
and Parker
605 PM MDT Fri Mar 20 2026

.TONIGHT...Mostly clear. Lows near 50.
.SATURDAY...Mostly sunny. Highs around 90. West winds 10 to
15 mph with gusts up to 25 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. West
winds 10 to 15 mph with gusts up to 25 mph in the evening,
becoming light.
.SUNDAY...Partly cloudy. Cooler. Highs in the mid 60s to lower
70s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the 40s. Southeast winds
10 to 15 mph with gusts up to 25 mph.
.MONDAY THROUGH TUESDAY...Mostly cloudy. Highs 75 to 83. Lows
near 50.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
to mid 50s. Highs near 90.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Partly cloudy. Cooler. Highs in the lower to mid 70s.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows in the mid to
upper 30s. Highs in the lower to mid 60s.

$$

COZ041-211200-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
605 PM MDT Fri Mar 20 2026

.TONIGHT...Clear. Lows in the mid 40s to lower 50s.
.SATURDAY...Mostly sunny. Highs in the mid 80s to lower 90s.
Southwest winds 10 to 15 mph with gusts up to 25 mph in the
afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the 40s. West winds
10 to 15 mph in the evening, becoming light.
.SUNDAY...Mostly cloudy. Much cooler. Highs in the lower to mid
60s. Northeast winds 10 to 15 mph with gusts up to 20 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 36 to 44. South winds 10 to
15 mph with gusts up to 25 mph.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Highs 68 to 74. Lows
42 to 50.
.TUESDAY...Mostly cloudy. Highs in the mid to upper 70s.
.TUESDAY NIGHT...Mostly clear. Lows 47 to 53.
.WEDNESDAY...Partly cloudy. Highs in the mid to upper 80s.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the 40s.
Highs near 70.
.THURSDAY NIGHT...Partly cloudy with a slight chance of rain and
snow. Colder. Lows 29 to 35. Chance of precipitation 10 percent.
.FRIDAY...Mostly cloudy. Highs 55 to 61.

$$

COZ042-211200-
Northeast Weld County-
Including Briggsdale, Grover, Pawnee Buttes, Raymer, and Stoneham
605 PM MDT Fri Mar 20 2026

.TONIGHT...Clear. Lows 43 to 51.
.SATURDAY...Mostly sunny. Highs near 90. Southwest winds 10 to
20 mph with gusts up to 30 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s. West
winds 10 to 15 mph, becoming north after midnight. Gusts up to
30 mph.
.SUNDAY...Partly cloudy. Much cooler. Highs in the lower to mid
60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
.SUNDAY NIGHT...Partly cloudy. Lows near 40. Southeast winds
10 to 15 mph with gusts up to 20 mph.
.MONDAY THROUGH TUESDAY...Mostly cloudy. Highs 71 to 80. Lows in
the 40s.
.TUESDAY NIGHT...Partly cloudy. Lows 43 to 49.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs near 90.
Lows near 40.
.THURSDAY...Mostly sunny. Cooler. Highs 65 to 71.
.THURSDAY NIGHT...Mostly cloudy. Lows in the upper 20s.
.FRIDAY...Partly cloudy. Highs near 60.

$$

COZ043-044-211200-
Central and South Weld County-Morgan County-
Including Eaton, Fort Lupton, Greeley, Roggen, Brush,
Fort Morgan, Goodrich, and Wiggins
605 PM MDT Fri Mar 20 2026

.TONIGHT...Mostly clear. Lows 40 to 46.
.SATURDAY...Mostly sunny. Highs in the lower 90s. Southwest winds
10 to 15 mph with gusts up to 30 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 40 to 46. West winds 10 to
15 mph, becoming northwest after midnight.
.SUNDAY...Partly cloudy. Much cooler. Highs in the mid to upper
60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
.SUNDAY NIGHT...Partly cloudy. Lows near 40. Southeast winds
10 to 15 mph with gusts up to 25 mph.
.MONDAY THROUGH TUESDAY...Mostly cloudy. Highs 77 to 82. Lows
41 to 47.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows
39 to 48. Highs around 90.
.THURSDAY...Partly cloudy. Cooler. Highs in the lower 70s.
.THURSDAY NIGHT...Mostly cloudy. Colder. Lows 28 to 34.
.FRIDAY...Partly cloudy. Highs in the lower to mid 60s.

$$

COZ048-050-051-211200-
Logan County-Sedgwick County-Phillips County-
Including Crook, Merino, Sterling, Peetz, Julesburg, Ovid,
Sedgwick, Amherst, Haxtun, and Holyoke
605 PM MDT Fri Mar 20 2026

.TONIGHT...Mostly clear. Lows in the 40s.
.SATURDAY...Mostly sunny. Highs near 90. Southwest winds 10 to
15 mph with gusts up to 25 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s. West
winds 10 to 15 mph with gusts up to 20 mph, becoming north with
gusts up to 30 mph after midnight.
.SUNDAY...Partly cloudy. Much cooler. Highs in the lower 60s.
Northeast winds 10 to 15 mph with gusts up to 30 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s.
Southeast winds 10 to 15 mph with gusts up to 20 mph.
.MONDAY THROUGH TUESDAY...Mostly cloudy. Highs 70 to 78. Lows in
the lower to mid 40s.
.TUESDAY NIGHT...Partly cloudy. Lows in the 40s.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 90.
Lows in the lower 40s.
.THURSDAY...Mostly sunny. Cooler. Highs in the mid to upper 60s.
.THURSDAY NIGHT...Mostly cloudy. Colder. Lows in the mid to upper
20s.
.FRIDAY...Partly cloudy. Highs in the mid 50s to lower 60s.

$$

COZ045-049-211200-
Central and East Adams and Arapahoe Counties-Washington County-
Including Bennett, Byers, Deer Trail, Leader, Akron, Cope,
Last Chance, and Otis
605 PM MDT Fri Mar 20 2026

.TONIGHT...Mostly clear. Lows in the mid to upper 40s.
.SATURDAY...Mostly sunny. Highs in the lower 90s. Southwest winds
10 to 15 mph with gusts up to 25 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower to mid 40s.
Northwest winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Much cooler. Highs in the mid 60s.
Northeast winds 10 to 15 mph with gusts up to 30 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 38 to 44. Southeast winds
10 to 15 mph with gusts up to 30 mph.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Highs in the lower to
mid 70s. Lows 41 to 47.
.TUESDAY...Mostly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows 45 to 51.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the upper
80s. Lows in the lower to mid 40s.
.THURSDAY...Partly cloudy. Cooler. Highs near 70.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows 28 to 34. Highs
near 60.

$$

COZ046-047-211200-
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 Mar 20 2026

.TONIGHT...Clear. Lows in the mid to upper 40s.
.SATURDAY...Mostly sunny. Highs around 90. Southwest winds 10 to
15 mph with gusts up to 25 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 42 to 48. West winds 10 to
15 mph with gusts up to 25 mph.
.SUNDAY...Mostly cloudy. Much cooler. Highs in the 60s. Northeast
winds 10 to 20 mph with gusts up to 35 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows 34 to 40. Southeast winds
10 to 15 mph with gusts up to 25 mph.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Highs near 70. Lows
36 to 44.
.TUESDAY...Mostly cloudy. Highs in the mid 70s to lower 80s.
.TUESDAY NIGHT...Partly cloudy. Lows 40 to 48.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the upper
80s. Lows 40 to 46.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 70 to 76.
Lows 26 to 32.
.FRIDAY...Mostly cloudy. Cooler. Highs in the upper 50s.

$$

COZ035-211200-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including Estes Park, Glendevey, Nederland, and Red Feather Lakes
605 PM MDT Fri Mar 20 2026

.TONIGHT...Mostly clear. Lows 43 to 53.
.SATURDAY...Mostly sunny. Highs 73 to 83. West winds 10 to
20 mph. Gusts up to 35 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 40 to 48. West winds 10 to
15 mph with gusts up to 30 mph in the evening, becoming light.
.SUNDAY...Partly cloudy. Highs 57 to 65. North winds 10 to 15 mph
with gusts up to 20 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 34 to 42.
.MONDAY THROUGH TUESDAY...Mostly cloudy. Highs 63 to 73. Lows
41 to 51.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 44 to 54.
Highs 71 to 81.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 41 to 47.
Highs 58 to 68.
.THURSDAY NIGHT...Mostly cloudy. Colder. Lows 26 to 32.
.FRIDAY...Partly cloudy. Highs 53 to 61.

$$

COZ036-211200-
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 Mar 20 2026

.TONIGHT...Mostly clear. Lows 44 to 52.
.SATURDAY...Mostly sunny. Highs 77 to 87. West winds 10 to
20 mph. Gusts up to 30 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 40 to 48. West winds 10 to
15 mph with gusts up to 35 mph in the evening, becoming light.
.SUNDAY...Mostly cloudy with a 20 percent chance of showers.
Cooler. Highs 58 to 68. Northeast winds 10 to 15 mph with gusts
up to 20 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 36 to 44.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Highs 64 to 74. Lows
41 to 51.
.TUESDAY...Mostly cloudy. Highs 69 to 79.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 43 to 53.
Highs 75 to 85.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 41 to 49.
Highs 63 to 73.
.THURSDAY NIGHT...Mostly cloudy with a 10 percent chance of rain.
Colder. Lows 30 to 36.
.FRIDAY...Mostly cloudy. Highs 54 to 64.

$$

COZ030-032-211200-
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 Mar 20 2026

.TONIGHT...Clear. Lows 33 to 39.
.SATURDAY...Mostly sunny. Highs 70 to 76. West winds 15 to 25 mph
with gusts up to 35 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid to upper 30s.
West winds 10 to 15 mph with gusts up to 35 mph in the evening,
becoming light.
.SUNDAY...Partly cloudy. Highs 57 to 63. West winds 10 to 15 mph
with gusts up to 25 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 29 to 35.
.MONDAY THROUGH TUESDAY...Mostly cloudy. Highs 59 to 69. Lows
near 40.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 35 to
41. Highs 66 to 72.
.THURSDAY...Mostly sunny. Highs 59 to 65.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 26 to 32. Highs
55 to 61.

$$

COZ037-211200-
Central and Southeast Park County-
Including Fairplay, Hartsel, Lake George, and South Park
605 PM MDT Fri Mar 20 2026

.TONIGHT...Clear. Lows 35 to 41.
.SATURDAY...Mostly sunny. Highs 69 to 77. West winds 15 to 25 mph
with gusts up to 40 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 34 to 40. West winds 10 to
20 mph with gusts up to 35 mph in the evening, becoming light.
.SUNDAY...Mostly cloudy. Highs 58 to 66. West winds 10 to 15 mph
with gusts up to 30 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 29 to 35.
.MONDAY...Partly cloudy. Highs 59 to 67.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 34 to 40. Highs
63 to 71.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 34 to
41. Highs 66 to 76.
.THURSDAY...Mostly sunny. Highs 62 to 70.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows near 30. Highs
53 to 61.

$$

COZ031-211200-
West Jackson and West Grand Counties Above 9000 Feet-
Including Mt Zirkel
605 PM MDT Fri Mar 20 2026

.TONIGHT...Mostly clear. Lows 35 to 41. Southwest winds 10 to
15 mph after midnight.
.SATURDAY...Mostly sunny. Windy. Highs 62 to 72. Southwest winds
10 to 15 mph with gusts up to 30 mph, increasing to 20 to 30 mph
with gusts up to 45 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 34 to 40. West winds 15 to
25 mph with gusts up to 45 mph in the evening, becoming light.
.SUNDAY...Partly cloudy. Highs 48 to 58. West winds 10 to 20 mph
with gusts up to 35 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 30 to 36.
.MONDAY THROUGH TUESDAY...Mostly cloudy. Highs 52 to 62. Lows
34 to 42.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 33 to
41. Highs 59 to 69.
.THURSDAY...Mostly sunny. Highs 50 to 60.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 25 to 31. Highs
47 to 57.

$$

COZ033-211200-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
Including Cameron Pass, Laramie and Medicine Bow Mountains,
Rabbit Ears Range, Rocky Mountain National Park,
and Willow Creek Pass
605 PM MDT Fri Mar 20 2026

.TONIGHT...Clear. Lows 35 to 43. Southwest winds 10 to 15 mph
with gusts up to 20 mph.
.SATURDAY...Mostly sunny. Highs 59 to 69. Southwest winds 10 to
15 mph, becoming west 20 to 25 mph in the afternoon. Gusts up to
35 mph.
.SATURDAY NIGHT...Partly cloudy. Lows 32 to 40. West winds 10 to
20 mph with gusts up to 35 mph in the evening, becoming light.
.SUNDAY...Partly cloudy with a 20 percent chance of snow showers.
Highs 46 to 56. West winds 10 to 15 mph with gusts up to 25 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 26 to 36.
.MONDAY...Mostly cloudy. Highs 48 to 58.
.MONDAY NIGHT...Mostly cloudy with a 10 percent chance of snow.
Lows 31 to 41.
.TUESDAY...Mostly cloudy. Highs 50 to 60.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 32 to 42.
Highs 55 to 65.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 32 to 40.
Highs 48 to 58.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Colder. Lows 20 to 30.
.FRIDAY...Partly cloudy. Highs 43 to 53.

$$

COZ034-211200-
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 Mar 20 2026

.TONIGHT...Mostly clear. Lows 33 to 43. West winds 10 to 15 mph
with gusts up to 25 mph.
.SATURDAY...Mostly sunny. Highs 59 to 69. West winds 15 to
25 mph. Gusts up to 40 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 30 to 40. West winds 15 to
25 mph. Gusts up to 40 mph in the evening.
.SUNDAY...Mostly cloudy with a slight chance of rain and snow
showers. Highs 47 to 57. Northwest winds 10 to 15 mph with gusts
up to 30 mph. Chance of precipitation 20 percent.
.SUNDAY NIGHT...Partly cloudy. Lows 26 to 36. Southwest winds
10 to 15 mph with gusts up to 25 mph.
.MONDAY...Partly cloudy. Highs 48 to 58.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows 30 to 40. Highs
51 to 61.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 31 to
41. Highs 55 to 65.
.THURSDAY...Mostly sunny. Highs 50 to 60.
.THURSDAY NIGHT...Mostly cloudy with a 10 percent chance of snow.
Colder. Lows 21 to 31.
.FRIDAY...Partly cloudy with a 10 percent chance of snow. Highs
44 to 54.

$$