Zone Forecast Product
Issued by NWS Denver/Boulder, CO

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388
FPUS55 KBOU 231018
ZFPBOU

Zone Forecast Product for Northeast Colorado
National Weather Service Denver/Boulder CO
418 AM MDT Mon Apr 23 2018

COZ039-040-240315-
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 Arvada, Boulder, Golden, Lakewood, Longmont, Aurora,
Brighton, City of Denver, Denver International Airport,
Highlands Ranch, Littleton, and Parker
418 AM MDT Mon Apr 23 2018

.TODAY...Mostly cloudy until late afternoon, then a 10 percent
chance of thunderstorms late in the afternoon. Highs near 70.
.TONIGHT...Chance of rain showers and slight chance of
thunderstorms in the evening, then rain showers likely and chance
of snow showers after midnight. No snow accumulation. Lows in the
lower 30s. North winds 10 to 15 mph. Chance of precipitation
60 percent.
.TUESDAY...Cloudy. Chance of snow showers in the morning, then a
chance of rain and snow showers in the afternoon. Much cooler.
Highs in the mid to upper 40s. North winds 10 to 15 mph. Chance
of precipitation 40 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows near 30.
.WEDNESDAY...Mostly sunny. Warmer. Highs in the lower to mid 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s.
.THURSDAY...Partly cloudy. Highs near 60.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 30s.
Highs near 70.
.FRIDAY NIGHT...Mostly clear. Lows in the lower to mid 40s.
.SATURDAY...Partly cloudy. Highs in the lower to mid 70s.
.SATURDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows in the lower 40s.
.SUNDAY...Partly cloudy. Highs near 70.

$$

COZ038-240315-
Larimer County Below 6000 Feet/Northwest Weld County-
including Fort Collins, Hereford, Loveland, and Nunn
418 AM MDT Mon Apr 23 2018

.TODAY...Partly cloudy in the morning, then mostly cloudy with a
20 percent chance of thunderstorms in the afternoon. Highs in the
mid 60s to lower 70s.
.TONIGHT...Cloudy. Chance of rain showers and slight chance of
thunderstorms in the evening, then a chance of rain and snow
showers after midnight. Windy. Lows 29 to 35. North winds 20 to
30 mph. Chance of precipitation 50 percent.
.TUESDAY...Mostly cloudy. A 30 percent chance of snow showers in
the morning. Cooler. Highs 43 to 49. North winds 15 to 25 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.WEDNESDAY...Mostly sunny. Highs in the lower to mid 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the 30s.
.THURSDAY...Partly cloudy. Highs near 60.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the lower to
mid 30s. Highs near 70.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy with a 10 percent
chance of thunderstorms. Highs in the lower to mid 70s. Lows near
40.
.SUNDAY...Partly cloudy. Highs in the mid 60s to lower 70s.

$$

COZ041-240315-
Elbert/Central and East Douglas Counties Above 6000 Feet-
including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
418 AM MDT Mon Apr 23 2018

.TODAY...Partly cloudy until late afternoon, then mostly cloudy
with a 10 percent chance of thunderstorms late in the afternoon.
Highs 65 to 71.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then a chance of rain and
snow showers after midnight. Lows near 30. North winds 10 to
15 mph with gusts to around 25 mph after midnight. Chance of
precipitation 50 percent.
.TUESDAY...Cloudy. Chance of snow showers in the morning, then a
chance of rain and snow showers in the afternoon. Much colder.
Highs 38 to 44. North winds 10 to 20 mph with gusts to around
30 mph. Chance of precipitation 40 percent.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
showers. Lows in the mid to upper 20s.
.WEDNESDAY...Mostly sunny. Highs near 60.
.WEDNESDAY NIGHT...Mostly clear. Lows in the 30s.
.THURSDAY...Partly cloudy. Highs 53 to 59.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the 30s. Highs
64 to 70.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows near 40. Highs
68 to 74.
.SATURDAY NIGHT...Mostly cloudy with a 10 percent chance of
thunderstorms. Lows in the lower to mid 40s.
.SUNDAY...Partly cloudy. Highs 67 to 73.

$$

COZ042>045-240315-
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
418 AM MDT Mon Apr 23 2018

.TODAY...Partly cloudy until late afternoon, then mostly cloudy
with a 10 percent chance of thunderstorms late in the afternoon.
Highs near 70. Southeast winds 10 to 15 mph in the afternoon.
.TONIGHT...Cloudy. Chance of rain showers and slight chance of
thunderstorms in the evening, then a chance of rain and snow
showers after midnight. Windy. Lows in the lower to mid 30s.
North winds 10 to 20 mph increasing to 20 to 30 mph after
midnight. Chance of precipitation 50 percent.
.TUESDAY...Mostly cloudy. Chance of rain and snow showers in the
morning, then a slight chance of rain showers in the afternoon.
Much cooler. Highs in the mid to upper 40s. North winds 15 to
25 mph. Chance of precipitation 30 percent.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid to upper 20s.
.WEDNESDAY...Mostly sunny. Warmer. Highs in the lower to mid 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the 30s.
.THURSDAY...Partly cloudy. Highs near 60.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the lower to
mid 30s. Highs near 70.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows near 40. Highs in
the lower to mid 70s.
.SATURDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows near 40.
.SUNDAY...Partly cloudy. Highs 69 to 75.

$$

COZ048>051-240315-
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
418 AM MDT Mon Apr 23 2018

.TODAY...Partly cloudy. Highs in the mid 60s to lower 70s. South
winds 10 to 20 mph.
.TONIGHT...Chance of rain showers and slight chance of
thunderstorms in the evening, then rain showers likely after
midnight. Windy. Lows in the lower to mid 30s. East winds 10 to
15 mph increasing to north 20 to 30 mph after midnight. Chance of
precipitation 60 percent.
.TUESDAY...Mostly cloudy. Chance of rain and snow showers in the
morning, then a slight chance of rain showers in the afternoon.
Cooler. Highs in the 40s. North winds 15 to 25 mph. Chance of
precipitation 40 percent.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s. North
winds 10 to 15 mph with gusts to around 30 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Partly cloudy. Highs in the upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Sunny. Highs near 70.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the upper 30s.
Highs in the lower to mid 70s.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows in the lower 40s.
.SUNDAY...Partly cloudy with a 10 percent chance of rain showers.
Highs near 70.

$$

COZ046-047-240315-
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
418 AM MDT Mon Apr 23 2018

.TODAY...Partly cloudy. Highs near 70. South winds 10 to 15 mph.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the evening, then a chance of rain
showers after midnight. Windy. Lows 31 to 37. East winds 10 to
15 mph increasing to north 20 to 30 mph after midnight. Chance of
precipitation 50 percent.
.TUESDAY...Mostly cloudy. Chance of rain and snow showers in the
morning, then a slight chance of rain and snow showers in the
afternoon. Much cooler. Highs 42 to 48. North winds 15 to 25 mph
with gusts to around 35 mph. Chance of precipitation 40 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid to upper 20s.
North winds 10 to 15 mph with gusts to around 30 mph.
.WEDNESDAY...Mostly sunny. Highs near 60.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower to mid 30s.
.THURSDAY...Partly cloudy. Windy. Highs 56 to 62.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the lower to
mid 30s. Highs near 70.
.FRIDAY NIGHT...Mostly clear. Lows near 40.
.SATURDAY...Partly cloudy. Highs in the lower to mid 70s.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows near 40.
.SUNDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs in the lower to mid 70s.

$$

COZ035-036-240315-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
including Estes Park, Glendevey, Nederland, Red Feather Lakes,
Bailey, Central City, Evergreen, Georgetown, Idaho Springs,
and Westcreek
418 AM MDT Mon Apr 23 2018

.TODAY...Mostly cloudy. Slight chance of thunderstorms early in
the afternoon. Chance of thunderstorms late in the afternoon.
Highs 56 to 66. Chance of thunderstorms 30 percent.
.TONIGHT...Chance of thunderstorms in the evening, then snow
showers likely and chance of rain showers after midnight. Snow
accumulation up to 1 inch. Lows 24 to 32. North winds 10 to
15 mph. Chance of precipitation 60 percent.
.TUESDAY...Snow showers likely in the morning, then a chance of
snow showers and slight chance of thunderstorms in the afternoon.
Colder. Snow accumulation up to 2 inches. Highs 34 to 42. North
winds 10 to 15 mph in the afternoon. Chance of precipitation
60 percent.
.TUESDAY NIGHT...Partly cloudy with a 10 percent chance of snow
showers. Lows 20 to 26.
.WEDNESDAY...Mostly sunny. Highs 52 to 60.
.WEDNESDAY NIGHT...Mostly clear. Lows 29 to 35.
.THURSDAY...Partly cloudy with a 20 percent chance of rain and
snow showers. Highs 48 to 56.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 28 to 34. Highs
56 to 66.
.FRIDAY NIGHT...Partly cloudy. Lows 32 to 40.
.SATURDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 58 to 68.
.SATURDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows 32 to 40.
.SUNDAY...Partly cloudy. Highs 55 to 65.

$$

COZ037-240315-
Central and Southeast Park County-
including Fairplay, Hartsel, Lake George, and South Park
418 AM MDT Mon Apr 23 2018

.TODAY...Mostly cloudy. A 10 percent chance of thunderstorms late
in the afternoon. Highs 54 to 60. West winds 10 to 15 mph in the
afternoon.
.TONIGHT...Mostly cloudy. Slight chance of thunderstorms and snow
showers in the evening, then a chance of rain and snow showers
after midnight. Lows near 30. Chance of precipitation 30 percent.
.TUESDAY...Cloudy. Chance of snow showers in the morning, then a
chance of snow showers and slight chance of thunderstorms in the
afternoon. Colder. Highs 36 to 42. Chance of precipitation
50 percent.
.TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Lows 19 to 23.
.WEDNESDAY...Mostly sunny. Highs 50 to 56.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 20s to lower
30s.
.THURSDAY...Partly cloudy with a 20 percent chance of rain and
snow showers. Highs 48 to 54.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid to upper 20s.
.FRIDAY...Mostly sunny. Highs 54 to 60.
.FRIDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows in the lower to mid 30s.
.SATURDAY...Partly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs 55 to 61. Chance of
precipitation 30 percent.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows in the lower to mid 30s.
.SUNDAY...Partly cloudy. Highs 54 to 60.

$$

COZ030-240315-
Jackson County Below 9000 Feet-
including Gould, North Park, Rand, Spicer, and Walden
418 AM MDT Mon Apr 23 2018

.TODAY...Mostly cloudy. Slight chance of thunderstorms early in
the afternoon. Chance of thunderstorms late in the afternoon.
Highs 56 to 62. West winds 10 to 20 mph with gusts to around
30 mph in the afternoon. Chance of thunderstorms 30 percent.
.TONIGHT...Cloudy. Chance of rain showers and slight chance of
thunderstorms in the evening, then a chance of rain and snow
showers after midnight. Lows in the upper 20s. Northwest winds
10 to 15 mph with gusts to around 25 mph in the evening becoming
light. Chance of precipitation 40 percent.
.TUESDAY...Mostly cloudy. Chance of snow showers in the morning,
then a slight chance of thunderstorms and snow showers in the
afternoon. Colder. Highs in the lower to mid 40s. North winds
10 to 15 mph in the afternoon. Chance of precipitation
30 percent.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 20s.
.WEDNESDAY...Sunny. Highs 53 to 59.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 20s.
.THURSDAY...Partly cloudy. Highs in the lower to mid 50s.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows near
30. Highs 57 to 63.
.SATURDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 57 to 63.
.SATURDAY NIGHT...Mostly cloudy. Lows in the lower 30s.
.SUNDAY...Partly cloudy. Highs 53 to 59.

$$

COZ032-240315-
Grand and Summit Counties Below 9000 Feet-
including Dillon, Fraser, Granby, Grand Lake,
Hot Sulphur Springs, and Kremmling
418 AM MDT Mon Apr 23 2018

.TODAY...Mostly cloudy. Slight chance of thunderstorms early in
the afternoon. Chance of thunderstorms late in the afternoon.
Highs 55 to 65. West winds 10 to 15 mph in the afternoon. Chance
of thunderstorms 30 percent.
.TONIGHT...Cloudy. Chance of rain showers and slight chance of
thunderstorms in the evening, then a chance of rain and snow
showers after midnight. Lows 28 to 34. Chance of precipitation
40 percent.
.TUESDAY...Mostly cloudy. Chance of snow showers in the morning,
then a chance of snow showers and slight chance of thunderstorms
in the afternoon. Highs 41 to 51. Chance of precipitation
30 percent.
.TUESDAY NIGHT...Partly cloudy. Lows 21 to 27.
.WEDNESDAY...Mostly sunny. Highs 53 to 63.
.WEDNESDAY NIGHT...Mostly clear. Lows near 30.
.THURSDAY...Partly cloudy. Highs 50 to 60.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows near 30. Highs
56 to 66.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower to mid 30s.
.SATURDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 57 to 65.
.SATURDAY NIGHT...Mostly cloudy with a 10 percent chance of
thunderstorms. Lows in the lower to mid 30s.
.SUNDAY...Partly cloudy. Highs 53 to 63.

$$

COZ033-034-240315-
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
418 AM MDT Mon Apr 23 2018

.TODAY...Mostly cloudy. Slight chance of thunderstorms and snow
showers early in the afternoon. Chance of thunderstorms and snow
showers late in the afternoon. Highs 44 to 54. West winds 10 to
20 mph. Chance of precipitation 40 percent.
.TONIGHT...Snow showers likely and chance of thunderstorms in the
evening, then snow showers likely after midnight. Snow
accumulation of 1 to 4 inches. Lows 21 to 29. West winds 10 to
15 mph with gusts to around 25 mph in the evening becoming light.
Chance of precipitation 60 percent.
.TUESDAY...Snow showers likely in the morning, then snow showers
likely and slight chance of thunderstorms in the afternoon. Snow
accumulation up to 3 inches. Highs 29 to 39. Chance of
precipitation 60 percent.
.TUESDAY NIGHT...Partly cloudy with a 30 percent chance of snow
showers. Lows 16 to 22.
.WEDNESDAY...Mostly sunny. Highs 41 to 51.
.WEDNESDAY NIGHT...Mostly clear. Lows 24 to 30.
.THURSDAY...Partly cloudy with a 30 percent chance of snow
showers. Highs 39 to 49.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 24 to 30. Highs
45 to 55.
.FRIDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms and snow showers. Lows 27 to 33.
.SATURDAY...Partly cloudy with a chance of rain showers, snow
showers and slight chance of thunderstorms. Highs 46 to 56.
Chance of precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms and snow showers. Lows 27 to 33.
.SUNDAY...Partly cloudy with a 10 percent chance of thunderstorms
and snow showers. Highs 43 to 53.

$$

COZ031-240315-
West Jackson and West Grand Counties Above 9000 Feet-
including East Slopes Park and Northern Gore Ranges, Gore Pass,
and Rabbit Ears Pass
418 AM MDT Mon Apr 23 2018

.TODAY...Mostly cloudy. Slight chance of rain showers in the
morning, then a chance of thunderstorms and snow showers in the
afternoon. Highs 47 to 57. West winds 10 to 20 mph in the
afternoon. Chance of precipitation 40 percent.
.TONIGHT...Cloudy. Chance of rain showers, snow showers and
slight chance of thunderstorms in the evening, then a chance of
snow showers after midnight. Lows 21 to 29. Northwest winds 10 to
15 mph in the evening becoming light. Chance of precipitation
40 percent.
.TUESDAY...Mostly cloudy. Chance of snow showers in the morning,
then a slight chance of thunderstorms and snow showers in the
afternoon. Highs 34 to 44. Chance of precipitation 30 percent.
.TUESDAY NIGHT...Mostly clear. Lows 19 to 23.
.WEDNESDAY...Mostly sunny. Highs 46 to 56.
.WEDNESDAY NIGHT...Mostly clear. Lows near 30.
.THURSDAY...Partly cloudy. Highs 43 to 53.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 20s to
lower 30s. Highs 49 to 59.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower to mid 30s.
.SATURDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 49 to 59.
.SATURDAY NIGHT...Mostly cloudy with a 10 percent chance of
thunderstorms. Lows in the lower to mid 30s.
.SUNDAY...Partly cloudy. Highs 46 to 56.

$$



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