Zone Forecast Product
Issued by NWS Denver/Boulder, CO

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268
FPUS55 KBOU 231538
ZFPBOU

Zone Forecast Product for Northeast Colorado
National Weather Service Denver/Boulder CO
838 AM MST Fri Feb 23 2018

COZ038-240615-
Larimer County Below 6000 Feet/Northwest Weld County-
including Fort Collins, Hereford, Loveland, and Nunn
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Mostly cloudy. Patchy fog late in the morning. A
40 percent chance of snow showers in the afternoon. Highs in the
mid to upper 20s.
.TONIGHT...Snow showers in the evening, then a chance of snow
showers after midnight. Snow accumulation of 1 to 2 inches. Lows
8 to 12.
.SATURDAY...Partly cloudy. Windy. Patchy blowing snow in the
afternoon. Highs 26 to 32. Northwest winds 10 to 20 mph
increasing to 20 to 30 mph in the afternoon. Gusts up to 45 mph.
.SATURDAY NIGHT...Partly cloudy. Lows 6 to 12. West winds 10 to
15 mph with gusts to around 30 mph.
.SUNDAY...Partly cloudy. Highs in the lower to mid 30s. West
winds 10 to 20 mph with gusts to around 35 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 8 to 14. Highs in
the lower 40s.
.MONDAY NIGHT...Partly cloudy. Lows 14 to 18.
.TUESDAY...Mostly sunny. Highs near 40.
.TUESDAY NIGHT...Mostly cloudy. Lows 15 to 19.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the
upper 30s. Lows 13 to 17.
.THURSDAY...Partly cloudy. Highs in the lower to mid 40s.

$$

COZ039-240615-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
including Arvada, Boulder, Golden, Lakewood, and Longmont
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Mostly cloudy. Patchy fog late in the morning. A
40 percent chance of snow showers in the afternoon. Highs 25 to
31.
.TONIGHT...Snow showers in the evening, then a chance of snow
showers after midnight. Snow accumulation of 1 to 2 inches. Lows
around 12.
.SATURDAY...Partly cloudy. Highs in the lower 30s. West winds
15 to 25 mph with gusts to around 35 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 13.
.SUNDAY...Partly cloudy. Highs in the 30s. West winds 10 to
20 mph with gusts to around 30 mph.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 15 to 19.
Highs 40 to 47.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.WEDNESDAY...Mostly cloudy with a 20 percent chance of snow
showers. Highs near 40.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of snow
showers. Lows around 19.
.THURSDAY...Partly cloudy. Highs in the mid 40s.

$$

COZ040-240615-
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
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Mostly cloudy. Patchy fog late in the morning. A
20 percent chance of snow showers late in the afternoon. Highs
near 30.
.TONIGHT...Snow showers likely in the evening, then a chance of
snow showers after midnight. Snow accumulation of 1 to 2 inches.
Lows around 14. Chance of snow 60 percent.
.SATURDAY...Partly cloudy. Highs in the lower 30s. Northwest
winds 15 to 25 mph. Gusts up to 35 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows around 12.
.SUNDAY...Partly cloudy. Highs in the mid 30s. West winds 10 to
15 mph with gusts to around 25 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 13 to 17. Highs in
the upper 40s.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows around 20. Highs
in the mid 40s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent
chance of snow showers. Highs in the lower 40s. Lows around 19.
.THURSDAY...Partly cloudy. Highs in the mid 40s.

$$

COZ041-240615-
Elbert/Central and East Douglas Counties Above 6000 Feet-
including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Partly cloudy in the late morning and early
afternoon, then mostly cloudy with a 20 percent chance of snow
showers late in the afternoon. Areas of fog late in the morning.
Highs 32 to 38. South winds 10 to 15 mph with gusts to around
25 mph in the afternoon.
.TONIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Lows 10 to 16.
.SATURDAY...Partly cloudy. A 30 percent chance of snow in the
morning. Highs 28 to 34. Northwest winds 10 to 15 mph increasing
to 20 to 25 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 8 to 12.
.SUNDAY...Partly cloudy. Highs 32 to 38. West winds 10 to 15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 11 to 15. Highs
44 to 50.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows around 19. Highs
43 to 49.
.TUESDAY NIGHT...Partly cloudy. Lows 17 to 21.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent
chance of snow showers. Highs near 40. Lows 15 to 19.
.THURSDAY...Partly cloudy. Highs in the lower to mid 40s.

$$

COZ043-045-240615-
Central and South Weld County-
Central and East Adams and Arapahoe Counties-
including Eaton, Fort Lupton, Greeley, Roggen, Bennett, Byers,
Deer Trail, and Leader
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Mostly cloudy. Areas of fog late in the morning.
A 30 percent chance of snow showers late in the afternoon. Highs
28 to 38.
.TONIGHT...Snow showers in the evening, then snow showers likely
after midnight. Snow accumulation of 1 to 3 inches. Lows 12 to
16.
.SATURDAY...Mostly cloudy with a 10 percent chance of snow in the
morning, then mostly sunny in the afternoon. Highs in the lower
30s. Northwest winds 15 to 25 mph.
.SATURDAY NIGHT...Partly cloudy. Lows 8 to 12.
.SUNDAY...Partly cloudy. Highs in the mid to upper 30s. West
winds 10 to 15 mph with gusts to around 25 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 9 to 13. Highs
43 to 49.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 15 to 19. Highs
41 to 47.
.TUESDAY NIGHT...Partly cloudy. Lows around 19.
.WEDNESDAY...Mostly cloudy. Highs around 40.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 14 to 18.
Highs in the mid 40s.

$$

COZ042-044-240615-
Northeast Weld County-Morgan County-
including Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham,
Brush, Fort Morgan, Goodrich, and Wiggins
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Mostly cloudy. Areas of fog late in the morning.
A 30 percent chance of snow showers late in the afternoon. Highs
27 to 35. Southeast winds 10 to 15 mph in the afternoon.
.TONIGHT...Snow showers and slight chance of light freezing
drizzle in the evening, then snow showers after midnight. Snow
accumulation of 1 to 3 inches. Lows 10 to 16. East winds 10 to
15 mph in the evening becoming light.
.SATURDAY...Mostly cloudy with a chance of snow in the morning,
then mostly sunny with patchy blowing snow in the afternoon.
Windy. Highs 29 to 35. Northwest winds 10 to 15 mph increasing to
20 to 30 mph in the afternoon. Gusts up to 40 mph. Chance of snow
30 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 6 to 12. West winds 10 to
15 mph with gusts to around 25 mph.
.SUNDAY...Partly cloudy. Highs in the 30s. West winds 10 to
15 mph with gusts to around 30 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 8 to 12. Highs in
the lower to mid 40s.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows around 15. Highs
in the lower to mid 40s.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows around 18.
Highs near 40.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 16.
Highs in the 40s.

$$

COZ048>051-240615-
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
838 AM MST Fri Feb 23 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
9 AM MST SATURDAY...

.REST OF TODAY...Mostly cloudy. Areas of fog late in the morning.
A 20 percent chance of snow showers late in the afternoon. Highs
near 30. Southeast winds 10 to 15 mph in the afternoon.
.TONIGHT...Light freezing drizzle and snow showers likely in the
evening, then snow showers after midnight. Snow accumulation of
1 to 4 inches. Lows around 15. East winds 10 to 15 mph.
.SATURDAY...Snow likely in the morning, then mostly sunny with
areas of blowing snow in the afternoon. Windy. Snow accumulation
up to 2 inches. Highs in the lower 30s. Northwest winds 10 to
15 mph increasing to 20 to 30 mph in the afternoon. Chance of
snow 60 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 10 to 14. West winds 10 to
15 mph with gusts to around 25 mph.
.SUNDAY...Partly cloudy. Highs in the upper 30s. West winds 10 to
15 mph with gusts to around 25 mph.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 12 to 16.
Highs 40 to 48.
.TUESDAY NIGHT...Partly cloudy with a 20 percent chance of snow
showers. Lows around 18.
.WEDNESDAY...Mostly cloudy. Highs in the upper 30s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 17.
Highs in the 40s.

$$

COZ046-047-240615-
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
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Partly cloudy. Patchy fog late in the morning. A
10 percent chance of snow showers late in the afternoon. Highs
34 to 40. Southeast winds 10 to 15 mph with gusts to around
25 mph in the afternoon.
.TONIGHT...Chance of snow showers in the evening, then snow
showers likely after midnight. Snow accumulation up to 3 inches.
Lows 15 to 19. Southeast winds 10 to 15 mph in the evening
becoming light. Chance of snow 60 percent.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow in the
morning, then mostly sunny in the afternoon. Highs 31 to 39.
Northwest winds 10 to 20 mph with gusts to around 30 mph.
.SATURDAY NIGHT...Partly cloudy. Lows 8 to 14.
.SUNDAY...Partly cloudy. Highs 36 to 42. West winds 10 to 15 mph
with gusts to around 25 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 8 to 14. Highs
47 to 53.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows 14 to
21. Highs 45 to 53.
.WEDNESDAY...Partly cloudy. Highs 40 to 46.
.WEDNESDAY NIGHT...Partly cloudy with a 10 percent chance of snow
showers. Lows 14 to 18.
.THURSDAY...Partly cloudy. Highs in the mid to upper 40s.

$$

COZ035-240615-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
including Estes Park, Glendevey, Nederland, and Red Feather Lakes
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Chance of snow showers early in the afternoon.
Snow showers likely late in the afternoon. New snow accumulation
up to 1 inch. Highs in the 20s. Chance of snow 60 percent.
.TONIGHT...Snow showers in the evening, then a chance of snow
showers after midnight. Snow accumulation up to 2 inches. Lows
3 to 11.
.SATURDAY...Mostly sunny. Windy. Highs 16 to 26. West winds 20 to
30 mph with gusts to around 50 mph.
.SATURDAY NIGHT...Partly cloudy with a 10 percent chance of snow.
Lows 6 to 12. West winds 10 to 20 mph with gusts to around
40 mph.
.SUNDAY...Partly cloudy with a 20 percent chance of snow. Highs
21 to 31. West winds 15 to 25 mph with gusts to around 45 mph.
.SUNDAY NIGHT...Mostly clear. Lows 10 to 14.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 31 to 41. Lows
14 to 18.
.TUESDAY...Mostly sunny. Highs 32 to 40.
.TUESDAY NIGHT...Mostly cloudy. Lows 15 to 19.
.WEDNESDAY...Partly cloudy with a 20 percent chance of snow
showers. Highs 29 to 37.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 13 to 17.
Highs 32 to 40.

$$

COZ036-240615-
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
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Partly cloudy late in the morning then becoming
mostly cloudy. Slight chance of snow showers early in the
afternoon. Chance of snow showers late in the afternoon. Highs
26 to 36. Chance of snow 30 percent.
.TONIGHT...Snow showers in the evening, then a chance of snow
showers after midnight. Snow accumulation up to 2 inches. Lows
5 to 11.
.SATURDAY...Mostly sunny. Highs 21 to 31. West winds 10 to 20 mph
with gusts to around 30 mph.
.SATURDAY NIGHT...Partly cloudy. Lows 4 to 10. West winds 10 to
15 mph.
.SUNDAY...Partly cloudy. Highs 26 to 36. West winds 10 to 15 mph
with gusts to around 25 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 9 to 15. Highs
37 to 47.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 14 to 20. Highs
36 to 46.
.TUESDAY NIGHT...Partly cloudy. Lows 15 to 21.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 30 percent
chance of snow showers. Highs 33 to 41. Lows 13 to 19.
.THURSDAY...Partly cloudy. Highs 37 to 45.

$$

COZ030-032-240615-
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
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Slight chance of snow showers late in the
morning, then snow showers likely in the afternoon. New snow
accumulation up to 1 inch. Highs 23 to 31. Southwest winds 10 to
15 mph in the afternoon. Chance of snow 60 percent.
.TONIGHT...Snow showers likely. Snow accumulation up to 2 inches.
Lows zero to 8 above. Chance of snow 60 percent.
.SATURDAY...Mostly cloudy. Chance of snow in the morning, then a
slight chance of snow in the afternoon. Highs 15 to 21. West
winds 10 to 15 mph increasing to 20 to 25 mph in the afternoon.
Chance of snow 30 percent. Lowest wind chill readings 5 below to
15 below zero in the morning.
.SATURDAY NIGHT...Snow likely. Snow accumulation up to 3 inches
possible. Lows 3 to 9. Southwest winds 10 to 15 mph with gusts to
around 25 mph. Chance of snow 60 percent.
.SUNDAY...Mostly cloudy with a 40 percent chance of snow. Highs
19 to 25. West winds 10 to 20 mph with gusts to around 35 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 1 to 7.
.MONDAY...Partly cloudy with a 10 percent chance of snow showers.
Highs 27 to 35.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 8 to 12. Highs
30 to 36.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy with a
20 percent chance of snow showers. Lows 9 to 16. Highs 27 to 33.
.THURSDAY...Mostly cloudy. Highs 31 to 37.

$$

COZ037-240615-
Central and Southeast Park County-
including Fairplay, Hartsel, Lake George, and South Park
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Partly cloudy in the late morning and early
afternoon, then mostly cloudy with a 30 percent chance of snow
showers late in the afternoon. Highs 23 to 31. Southwest winds
10 to 15 mph with gusts to around 25 mph in the afternoon.
.TONIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Lows 1 below to 7 above zero.
.SATURDAY...Mostly sunny. Highs 16 to 24. West winds 10 to 15 mph
increasing to 20 to 25 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 4 below to 4 above zero.
West winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Highs 20 to 28. West winds 10 to 20 mph
with gusts to around 30 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 1 below to 7 above
zero. Highs 31 to 39.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 10 to 16. Highs
32 to 40.
.TUESDAY NIGHT...Partly cloudy. Lows 11 to 15.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent
chance of snow showers. Highs 30 to 36. Lows 9 to 13.
.THURSDAY...Partly cloudy. Highs 33 to 39.

$$

COZ033-034-240615-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-
including Cameron Pass, Laramie and Medicine Bow Mountains,
Rabbit Ears Range, Rocky Mountain National Park,
Willow Creek Pass, Berthoud Pass, Breckenridge,
East Slopes Mosquito Range, East Slopes Southern Gore Range,
Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans,
Williams Fork Mountains, and Winter Park
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Chance of snow showers in the late morning and
early afternoon, then snow showers likely late in the afternoon.
New snow accumulation up to 2 inches. Highs 15 to 25. Southwest
winds 10 to 15 mph. Chance of snow 60 percent.
.TONIGHT...Snow showers in the evening, then snow showers likely
after midnight. Snow accumulation of 1 to 4 inches. Lows 4 below
to 6 above zero. West winds 10 to 15 mph with gusts to around
25 mph after midnight. Lowest wind chill readings 5 below to
15 below zero after midnight.
.SATURDAY...Mostly cloudy with a chance of snow and patchy
blowing snow in the morning, then partly cloudy with a chance of
snow and areas of blowing snow in the afternoon. Windy. Highs
7 to 17. West winds 20 to 30 mph with gusts to around 45 mph.
Chance of snow 30 percent. Wind chill readings 10 below to
20 below zero.
.SATURDAY NIGHT...Snow likely. Snow accumulation up to 3 inches
possible. Lows 4 below to 6 above zero. West winds 10 to 20 mph
with gusts to around 40 mph. Chance of snow 70 percent.
.SUNDAY...Snow likely. Snow accumulation up to 3 inches possible.
Highs 11 to 21. West winds 15 to 25 mph with gusts to around
40 mph. Chance of snow 60 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy with a 10 percent chance
of snow showers. Lows 1 to 9. Highs 22 to 32.
.MONDAY NIGHT...Partly cloudy. Lows 8 to 14.
.TUESDAY...Partly cloudy with a 10 percent chance of snow
showers. Highs 23 to 33.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy with a
30 percent chance of snow showers. Lows 7 to 16. Highs 20 to 30.
.THURSDAY...Mostly cloudy with a 20 percent chance of snow
showers. Highs 23 to 33.

$$

COZ031-240615-
West Jackson and West Grand Counties Above 9000 Feet-
including East Slopes Park and Northern Gore Ranges, Gore Pass,
and Rabbit Ears Pass
838 AM MST Fri Feb 23 2018

.REST OF TODAY...Chance of snow showers late in the morning, then
snow showers likely in the afternoon. New snow accumulation of
1 to 3 inches. Highs 15 to 25. Southwest winds 10 to 15 mph.
Chance of snow 60 percent.
.TONIGHT...Snow showers likely. Snow accumulation up to 3 inches.
Lows 4 below to 4 above zero. West winds 10 to 15 mph after
midnight. Chance of snow 70 percent. Lowest wind chill readings
5 below to 15 below zero after midnight.
.SATURDAY...Mostly cloudy. Chance of snow in the morning, then a
chance of snow and patchy blowing snow in the afternoon. Highs
7 to 17. West winds 10 to 15 mph increasing to 20 to 25 mph in
the afternoon. Gusts up to 35 mph. Chance of snow 30 percent.
Wind chill readings 10 below to 20 below zero.
.SATURDAY NIGHT...Snow. Snow accumulation of 3 to 6 inches
possible. Lows 1 to 7. West winds 10 to 15 mph with gusts to
around 30 mph.
.SUNDAY...Snow likely. Snow accumulation up to 3 inches possible.
Highs 12 to 22. West winds 15 to 25 mph with gusts to around
35 mph. Chance of snow 60 percent.
.SUNDAY NIGHT...Partly cloudy with a 10 percent chance of snow
showers. Lows 2 to 8.
.MONDAY AND MONDAY NIGHT...Mostly cloudy with a 30 percent chance
of snow showers. Highs 21 to 31. Lows 11 to 15.
.TUESDAY...Mostly cloudy with a 20 percent chance of snow
showers. Highs 24 to 33.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy with a
30 percent chance of snow showers. Lows 8 to 15. Highs 20 to 30.
.THURSDAY...Mostly cloudy with a 20 percent chance of snow
showers. Highs 23 to 33.

$$



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