Zone Forecast Product
Issued by NWS Denver/Boulder, CO

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FPUS55 KBOU 211039
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FPUS55 KBOU 211038
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Zone Forecast Product for Northeast Colorado
National Weather Service Denver/Boulder CO
438 AM MDT Tue May 21 2019

COZ038-220300-
Larimer County Below 6000 Feet/Northwest Weld County-
including Fort Collins, Hereford, Loveland, and Nunn
438 AM MDT Tue May 21 2019

.TODAY...Snow with rain likely and slight chance of
thunderstorms. Snow accumulation of 1 to 2 inches. Highs 36 to
42. North winds 10 to 15 mph increasing to 20 to 25 mph in the
afternoon.
.TONIGHT...Cloudy. A 20 percent chance of rain in the evening.
Lows in the lower to mid 30s. North winds 20 to 25 mph shifting
to the northwest 10 to 15 mph after midnight.
.WEDNESDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs 46 to 52.
Northwest winds 10 to 15 mph shifting to the northeast in the
afternoon. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
and snow showers. Lows in the lower to mid 30s.
.THURSDAY...Cloudy with a chance of rain showers and slight
chance of thunderstorms. Highs 43 to 49. Chance of precipitation
50 percent.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the 30s. Chance of
precipitation 30 percent.
.FRIDAY...Mostly sunny. Warmer. Highs 61 to 67.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows near 40. Highs
65 to 71.
.SATURDAY NIGHT...Mostly cloudy with a 10 percent chance of
thunderstorms. Lows in the lower to mid 40s.
.SUNDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs near 70.
.SUNDAY NIGHT AND MEMORIAL DAY...Mostly cloudy with a 20 percent
chance of thunderstorms. Lows in the mid 40s. Highs 61 to 67.

$$

COZ039-220300-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
including Arvada, Boulder, Golden, Lakewood, and Longmont
438 AM MDT Tue May 21 2019

.TODAY...Rain and snow likely in the morning, then a chance of
rain and slight chance of thunderstorms in the afternoon. Snow
accumulation around 1 inch. Highs in the lower 40s. North winds
10 to 15 mph in the afternoon. Chance of precipitation
70 percent.
.TONIGHT...Mostly cloudy. Chance of rain and slight chance of
thunderstorms in the evening. Lows in the mid 30s. North winds
10 to 15 mph in the evening becoming light. Chance of
precipitation 30 percent.
.WEDNESDAY...Mostly cloudy. A 40 percent chance of thunderstorms
in the afternoon. Highs near 50.
.WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows in the upper 30s.
.THURSDAY...Cloudy with a 50 percent chance of thunderstorms.
Highs near 50.
.THURSDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Warmer. Highs in the mid to upper 60s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower
40s. Highs near 70.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a
10 percent chance of thunderstorms. Lows in the mid 40s. Highs in
the lower 70s.
.MEMORIAL DAY...Mostly cloudy. Highs in the mid to upper 60s.

$$

COZ040-220300-
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
438 AM MDT Tue May 21 2019

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

.TODAY...Snow, chance of rain and slight chance of thunderstorms.
Snow accumulation of 1 to 2 inches. Highs near 40. North winds
10 to 15 mph.
.TONIGHT...Mostly cloudy. A 10 percent chance of rain in the
evening. Lows in the lower to mid 30s. North winds 10 to 15 mph
in the evening becoming light.
.WEDNESDAY...Partly cloudy in the morning, then mostly cloudy
with a 20 percent chance of thunderstorms in the afternoon. Highs
in the lower 50s. East winds 10 to 15 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows in the upper 30s.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs in the lower to mid 50s.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Warmer. Highs in the upper 60s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower
40s. Highs in the lower 70s.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a
10 percent chance of thunderstorms. Lows in the upper 40s. Highs
in the lower 70s.
.MEMORIAL DAY...Mostly cloudy with a 10 percent chance of
thunderstorms. Highs in the upper 60s.

$$

COZ041-220300-
Elbert/Central and East Douglas Counties Above 6000 Feet-
including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
438 AM MDT Tue May 21 2019

...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT TODAY...

.TODAY...Snow in the morning, then a chance of thunderstorms,
rain and snow in the afternoon. Snow accumulation of 1 to
2 inches. Highs in the mid to upper 30s. Northwest winds 10 to
15 mph shifting to the north 20 to 25 mph in the afternoon.
.TONIGHT...Mostly cloudy. A 10 percent chance of rain in the
evening. Lows near 30. Northwest winds 10 to 15 mph with gusts to
around 25 mph in the evening becoming light.
.WEDNESDAY...Partly cloudy in the morning, then mostly cloudy
with a 10 percent chance of thunderstorms in the afternoon. Highs
50 to 56. Southeast winds 10 to 15 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
and snow showers. Lows in the lower to mid 30s.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 51 to 57.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid to upper 30s.
.FRIDAY...Mostly sunny. Warmer. Highs 63 to 69.
.FRIDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 38 to
47. Highs 66 to 74.
.MEMORIAL DAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs in the 60s.

$$

COZ043-220300-
Central and South Weld County-
including Eaton, Fort Lupton, Greeley, and Roggen
438 AM MDT Tue May 21 2019

.TODAY...Rain and snow in the morning, then a chance of rain and
slight chance of thunderstorms in the afternoon. Snow
accumulation up to 1 inch. Highs in the lower 40s. North winds
10 to 20 mph.
.TONIGHT...Mostly cloudy. Lows in the mid 30s. Northwest winds
10 to 20 mph.
.WEDNESDAY...Mostly cloudy. A 20 percent chance of thunderstorms
in the afternoon. Highs in the lower 50s. Northeast winds 10 to
15 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers. Lows in the upper 30s.
.THURSDAY...Cloudy with a chance of rain showers and slight
chance of thunderstorms. Highs 49 to 55. Chance of precipitation
50 percent.
.THURSDAY NIGHT...Partly cloudy with a 30 percent chance of
thunderstorms. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Warmer. Highs around 70.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower
40s. Highs in the lower 70s.
.SATURDAY NIGHT...Mostly cloudy with a 10 percent chance of
thunderstorms. Lows in the mid 40s.
.SUNDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs in the lower 70s.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows in the mid 40s.
.MEMORIAL DAY...Mostly cloudy with a 10 percent chance of
thunderstorms. Highs in the upper 60s.

$$

COZ042-220300-
Northeast Weld County-
including Briggsdale, Grover, Pawnee Buttes, Raymer, and Stoneham
438 AM MDT Tue May 21 2019

.TODAY...Rain and snow in the morning, then rain, snow and slight
chance of thunderstorms in the afternoon. Snow accumulation up to
2 inches. Highs in the mid to upper 30s. North winds 15 to
25 mph.
.TONIGHT...Cloudy. Chance of rain and snow in the evening. Lows
in the lower 30s. Northwest winds 15 to 25 mph. Chance of
precipitation 50 percent.
.WEDNESDAY...Mostly cloudy. Highs 47 to 53. Northwest winds 10 to
15 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows in the lower to mid 30s. North winds 10 to 15 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs 47 to 53. East winds 10 to
15 mph. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of
thunderstorms. Lows in the mid 30s.
.FRIDAY...Mostly sunny. Warmer. Highs 64 to 70.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 40. Highs
near 70.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows in the mid 40s.
.SUNDAY...Mostly cloudy with a 10 percent chance of
thunderstorms. Highs in the lower to mid 70s.
.SUNDAY NIGHT AND MEMORIAL DAY...Mostly cloudy with a chance of
rain showers and slight chance of thunderstorms. Lows in the mid
40s. Highs in the mid to upper 60s. Chance of precipitation
30 percent.

$$

COZ044-220300-
Morgan County-
including Brush, Fort Morgan, Goodrich, and Wiggins
438 AM MDT Tue May 21 2019

.TODAY...Rain through the day. Slight chance of thunderstorms in
the afternoon. Highs around 40. North winds 10 to 20 mph. Gusts
up to 30 mph in the afternoon.
.TONIGHT...Mostly cloudy. Lows in the lower 30s. Northwest winds
10 to 20 mph.
.WEDNESDAY...Mostly cloudy. Highs in the mid to upper 50s.
Northeast winds 10 to 15 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows in the upper 30s. Northeast winds 10 to 15 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs in the mid to upper 50s.
East winds 10 to 15 mph. Chance of precipitation 40 percent.
.THURSDAY NIGHT...Partly cloudy with a 30 percent chance of
thunderstorms. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Warmer. Highs in the lower to mid 70s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower
40s. Highs in the lower 70s.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows in the mid 40s.
.SUNDAY...Mostly cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Partly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the mid 40s. Chance of
precipitation 30 percent.
.MEMORIAL DAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs in the upper 60s. Chance of
precipitation 30 percent.

$$

COZ045-220300-
Central and East Adams and Arapahoe Counties-
including Bennett, Byers, Deer Trail, and Leader
438 AM MDT Tue May 21 2019

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT TODAY...

.TODAY...Rain and snow in the morning, then a chance of rain and
thunderstorms in the afternoon. Snow accumulation up to 2 inches.
Highs in the upper 30s. Northwest winds 10 to 20 mph. Gusts up to
30 mph in the afternoon.
.TONIGHT...Mostly cloudy. Lows in the lower 30s. Northwest winds
10 to 15 mph with gusts to around 25 mph in the evening becoming
light.
.WEDNESDAY...Partly cloudy in the morning, then mostly cloudy
with a 10 percent chance of thunderstorms in the afternoon. Highs
52 to 58. East winds 10 to 15 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers. Lows in the upper 30s.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs in the mid to upper 50s. East winds 10 to
15 mph.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs around 70.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower
40s. Highs in the lower 70s.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a
10 percent chance of thunderstorms. Lows in the upper 40s. Highs
in the lower to mid 70s.
.MEMORIAL DAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs in the upper 60s.

$$

COZ048-220300-
Logan County-
including Crook, Merino, Sterling, and Peetz
438 AM MDT Tue May 21 2019

.TODAY...Rain through the day. Chance of thunderstorms in the
afternoon. Highs in the upper 30s. North winds 15 to 25 mph.
.TONIGHT...Rain likely in the evening. Lows in the lower 30s.
Northwest winds 15 to 25 mph. Chance of rain 70 percent.
.WEDNESDAY...Mostly cloudy. Highs in the lower to mid 50s.
Northwest winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 30s. North
winds 10 to 15 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs in the lower to mid 50s.
East winds 10 to 15 mph. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of
thunderstorms. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Warmer. Highs near 70.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower
40s. Highs near 70.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the mid 40s. Chance of
precipitation 30 percent.
.SUNDAY...Mostly cloudy. Highs in the lower to mid 70s.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the upper 40s. Chance of
precipitation 40 percent.
.MEMORIAL DAY...Rain showers likely and slight chance of
thunderstorms. Highs in the mid to upper 60s. Chance of
precipitation 60 percent.

$$

COZ050-220300-
Sedgwick County-
including Julesburg, Ovid, and Sedgwick
438 AM MDT Tue May 21 2019

.TODAY...Rain in the morning, then rain and chance of
thunderstorms in the afternoon. Highs in the lower 40s. Northeast
winds 15 to 25 mph.
.TONIGHT...Rain and slight chance of thunderstorms in the
evening. Lows in the mid 30s. Northwest winds 10 to 20 mph with
gusts to around 30 mph.
.WEDNESDAY...Mostly cloudy. Highs in the mid to upper 50s.
Northwest winds 10 to 20 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 30s. North
winds 10 to 15 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs in the mid 50s. East winds
10 to 15 mph. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Rain showers likely and chance of
thunderstorms. Lows in the upper 30s. Chance of precipitation
60 percent.
.FRIDAY...Mostly sunny. Warmer. Highs in the lower 70s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower
40s. Highs in the lower 70s.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the upper 40s. Chance of
precipitation 40 percent.
.SUNDAY...Mostly cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the upper 40s. Chance of
precipitation 40 percent.
.MEMORIAL DAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs in the mid 60s to lower
70s. Chance of precipitation 50 percent.

$$

COZ051-220300-
Phillips County-
including Amherst, Haxtun, and Holyoke
438 AM MDT Tue May 21 2019

.TODAY...Rain in the morning, then rain and chance of
thunderstorms in the afternoon. Highs in the lower 40s. North
winds 15 to 25 mph.
.TONIGHT...Rain likely and slight chance of thunderstorms in the
evening. Lows in the mid 30s. Northwest winds 10 to 20 mph with
gusts to around 30 mph. Chance of precipitation 60 percent.
.WEDNESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the mid 50s to lower 60s. Northwest winds 10 to
15 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 30s. North
winds 10 to 15 mph.
.THURSDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs in the mid to upper 50s.
East winds 10 to 15 mph. Chance of precipitation 50 percent.
.THURSDAY NIGHT...Partly cloudy with a 50 percent chance of
thunderstorms. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Warmer. Highs in the lower to mid 70s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 40s.
Highs in the lower to mid 70s.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the upper 40s. Chance of
precipitation 30 percent.
.SUNDAY...Mostly cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the upper 40s. Chance of
precipitation 50 percent.
.MEMORIAL DAY...Rain showers likely and slight chance of
thunderstorms. Highs near 70. Chance of precipitation 60 percent.

$$

COZ049-220300-
Washington County-
including Akron, Cope, Last Chance, and Otis
438 AM MDT Tue May 21 2019

.TODAY...Rain in the morning, then rain and chance of
thunderstorms in the afternoon. Highs around 40. North winds
15 to 25 mph.
.TONIGHT...Mostly cloudy. A 40 percent chance of rain in the
evening. Lows in the lower 30s. Northwest winds 10 to 20 mph with
gusts to around 30 mph.
.WEDNESDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs in the mid to upper 50s. Northwest winds 10 to
15 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a 10 percent chance of rain
showers. Lows in the upper 30s. Northeast winds 10 to 15 mph.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs in the mid 50s to lower 60s. East winds
10 to 15 mph.
.THURSDAY NIGHT...Partly cloudy with a 40 percent chance of
thunderstorms. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs in the lower 70s.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower
40s. Highs in the lower 70s.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the mid 40s. Chance of
precipitation 30 percent.
.SUNDAY...Partly cloudy. Highs in the mid 70s.
.SUNDAY NIGHT...Partly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the upper 40s. Chance of
precipitation 30 percent.
.MEMORIAL DAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs near 70. Chance of
precipitation 30 percent.

$$

COZ046-220300-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
including Agate, Hugo, Limon, and Matheson
438 AM MDT Tue May 21 2019

.TODAY...Rain and snow in the morning, then a chance of rain and
thunderstorms in the afternoon. Snow accumulation up to 2 inches.
Highs near 40. North winds 15 to 25 mph with gusts to around
35 mph.
.TONIGHT...Mostly cloudy. Lows in the lower 30s. Northwest winds
10 to 20 mph. Gusts up to 30 mph in the evening.
.WEDNESDAY...Partly cloudy. Highs 54 to 62. Southeast winds 10 to
15 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows in the upper 30s. Northeast winds 10 to 15 mph.
.THURSDAY...Mostly cloudy with a 30 percent chance of
thunderstorms. Highs 55 to 61. East winds 10 to 15 mph with gusts
to around 25 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs near 70.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower
40s. Highs in the lower to mid 70s.
.SATURDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows in the mid 40s.
.SUNDAY...Partly cloudy. Highs in the lower to mid 70s.
.SUNDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows in the mid 40s.
.MEMORIAL DAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs in the mid 60s to lower 70s.

$$

COZ047-220300-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
including Forder, Karval, Kutch, and Punkin Center
438 AM MDT Tue May 21 2019

.TODAY...Windy. Rain in the morning, then a chance of rain and
slight chance of thunderstorms in the afternoon. Highs 41 to 49.
North winds 20 to 30 mph.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the 30s. Northwest winds 20 to 25 mph decreasing
to 10 to 15 mph after midnight.
.WEDNESDAY...Partly cloudy. Warmer. Highs 62 to 68. Southeast
winds 10 to 20 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a 10 percent chance of rain
showers. Lows near 40. Northeast winds 10 to 20 mph.
.THURSDAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs 61 to 69. East winds 10 to 15 mph with gusts
to around 30 mph.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 37 to 45.
Highs 72 to 80.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid to
upper 40s. Highs 76 to 82.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
.MEMORIAL DAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 71 to 77.

$$

COZ035-220300-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
including Estes Park, Glendevey, Nederland, and Red Feather Lakes
438 AM MDT Tue May 21 2019

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...Snow likely through the day. Chance of rain and slight
chance of thunderstorms in the afternoon. Snow accumulation of
1 to 3 inches. Highs in the mid to upper 30s. North winds 10 to
15 mph with gusts to around 25 mph in the afternoon. Chance of
precipitation 70 percent.
.TONIGHT...Mostly cloudy with a 40 percent chance of snow. Lows
25 to 31. Northwest winds 10 to 15 mph.
.WEDNESDAY...Chance of snow showers and slight chance of
thunderstorms in the morning, then rain showers, snow showers
likely and chance of thunderstorms in the afternoon. Little or no
snow accumulation. Highs 39 to 45. East winds 10 to 15 mph in the
afternoon. Chance of precipitation 60 percent.
.WEDNESDAY NIGHT...Snow showers likely, chance of rain showers
and slight chance of thunderstorms. Lows 27 to 33. Chance of
precipitation 60 percent.
.THURSDAY...Snow showers, rain showers likely and chance of
thunderstorms. Highs 36 to 44. Southeast winds 10 to 15 mph.
Chance of precipitation 60 percent.
.THURSDAY NIGHT...Mostly cloudy with a chance of snow showers and
slight chance of thunderstorms. Lows 30 to 36. Chance of
precipitation 30 percent.
.FRIDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 49 to 59.
.FRIDAY NIGHT...Partly cloudy. Lows 30 to 40.
.SATURDAY THROUGH SUNDAY...Partly cloudy with a 10 percent chance
of thunderstorms. Highs 56 to 66. Lows 33 to 43.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows 34 to 44. Chance of
precipitation 30 percent.
.MEMORIAL DAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs 52 to 60.

$$

COZ036-220300-
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
438 AM MDT Tue May 21 2019

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...Snow likely in the morning, then a chance of snow, rain
and slight chance of thunderstorms in the afternoon. Snow
accumulation of 1 to 2 inches. Highs 34 to 40. North winds 10 to
15 mph in the afternoon. Chance of precipitation 70 percent.
.TONIGHT...Mostly cloudy. Chance of snow, rain and slight chance
of thunderstorms in the evening. Lows near 30. Chance of
precipitation 50 percent.
.WEDNESDAY...Partly cloudy with a slight chance of snow showers
in the morning, then mostly cloudy with a chance of thunderstorms
and snow showers in the afternoon. Highs 42 to 52. Southeast
winds 10 to 15 mph in the afternoon. Chance of precipitation
40 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
and snow showers. Lows 29 to 35.
.THURSDAY...Mostly cloudy with a 50 percent chance of
thunderstorms and snow showers. Highs 42 to 52.
.THURSDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms and snow showers. Lows 30 to 36.
.FRIDAY...Mostly sunny. Warmer. Highs 55 to 65.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 32 to 40. Highs
58 to 68.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a
10 percent chance of thunderstorms. Lows 36 to 44. Highs 60 to
70.
.MEMORIAL DAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 55 to 65.

$$

COZ037-220300-
Central and Southeast Park County-
including Fairplay, Hartsel, Lake George, and South Park
438 AM MDT Tue May 21 2019

.TODAY...Snow likely in the morning, then a chance of snow and
slight chance of thunderstorms in the afternoon. Snow
accumulation around 1 inch. Highs 36 to 42. Northwest winds 20 to
25 mph in the afternoon. Chance of precipitation 70 percent.
.TONIGHT...Mostly cloudy with a 40 percent chance of snow in the
evening, then partly cloudy after midnight. Lows in the 20s. West
winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy in the morning, then mostly cloudy
with a 10 percent chance of thunderstorms and snow showers in the
afternoon. Highs 43 to 49. Southwest winds 10 to 20 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Lows near 30. Chance of precipitation 40 percent.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms and snow showers. Highs 41 to 49. South winds 10 to
15 mph with gusts to around 30 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid to upper 20s.
.FRIDAY...Mostly sunny. Highs 50 to 58.
.FRIDAY NIGHT...Partly cloudy. Lows 28 to 34.
.SATURDAY...Mostly sunny. Highs 55 to 63.
.SATURDAY NIGHT...Partly cloudy. Lows 30 to 36.
.SUNDAY...Mostly sunny. Highs 57 to 63.
.SUNDAY NIGHT...Partly cloudy. Lows 30 to 36.
.MEMORIAL DAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 51 to 59.

$$

COZ030-220300-
Jackson County Below 9000 Feet-
including Gould, North Park, Rand, Spicer, and Walden
438 AM MDT Tue May 21 2019

.TODAY...Snow likely through the day. Chance of thunderstorms in
the afternoon. Snow accumulation of 1 to 2 inches. Highs in the
upper 30s. Northwest winds 10 to 15 mph in the afternoon. Chance
of precipitation 70 percent.
.TONIGHT...Cloudy. Chance of snow and slight chance of
thunderstorms in the evening, then a chance of snow after
midnight. Lows in the mid 20s. Northwest winds 10 to 15 mph in
the evening becoming light. Chance of precipitation 40 percent.
.WEDNESDAY...Mostly cloudy. Chance of snow showers and slight
chance of thunderstorms in the morning, then a chance of
thunderstorms and snow showers in the afternoon. Highs in the
lower to mid 40s. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of snow showers
and slight chance of thunderstorms. Lows in the mid 20s to lower
30s. Chance of precipitation 40 percent.
.THURSDAY...Rain showers, snow showers likely and chance of
thunderstorms. Highs in the lower to mid 40s. South winds 10 to
15 mph with gusts to around 30 mph. Chance of precipitation
60 percent.
.THURSDAY NIGHT...Mostly cloudy with a chance of snow showers and
slight chance of thunderstorms. Lows in the mid 20s to lower 30s.
Chance of precipitation 30 percent.
.FRIDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs near 50.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SATURDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs in the mid 50s to lower 60s.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows around 30. Highs
near 60.
.SUNDAY NIGHT AND MEMORIAL DAY...Mostly cloudy with a 20 percent
chance of thunderstorms. Lows in the lower 30s. Highs in the
lower to mid 50s.

$$

COZ032-220300-
Grand and Summit Counties Below 9000 Feet-
including Dillon, Fraser, Granby, Grand Lake,
Hot Sulphur Springs, and Kremmling
438 AM MDT Tue May 21 2019

.TODAY...Snow in the morning, then snow likely, chance of
thunderstorms and rain in the afternoon. Snow accumulation of
1 to 2 inches. Highs 36 to 42. West winds 10 to 15 mph in the
afternoon.
.TONIGHT...Cloudy. Chance of snow and slight chance of
thunderstorms in the evening, then a chance of snow after
midnight. Lows in the mid 20s to lower 30s. West winds 10 to
15 mph in the evening becoming light. Chance of precipitation
50 percent.
.WEDNESDAY...Mostly cloudy. Chance of snow showers and slight
chance of thunderstorms in the morning, then a chance of
thunderstorms and snow showers in the afternoon. Highs 44 to 50.
Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of snow showers,
rain showers and slight chance of thunderstorms. Lows 28 to 34.
Chance of precipitation 40 percent.
.THURSDAY...Rain showers likely, chance of thunderstorms and snow
showers. Highs 43 to 49. South winds 10 to 15 mph with gusts to
around 25 mph. Chance of precipitation 60 percent.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms and snow showers. Lows near 30.
.FRIDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 49 to 55.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows 28 to
35. Highs 55 to 63.
.SUNDAY...Mostly sunny. Highs 58 to 66.
.SUNDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows in the lower to mid 30s.
.MEMORIAL DAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs 52 to 58.

$$

COZ033-220300-
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
438 AM MDT Tue May 21 2019

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...Snow in the morning, then snow likely and chance of
thunderstorms in the afternoon. Snow accumulation of 3 to
5 inches. Highs 27 to 35. Northwest winds 10 to 15 mph in the
afternoon.
.TONIGHT...Snow likely and slight chance of thunderstorms in the
evening, then snow likely after midnight. Snow accumulation of
1 to 3 inches. Lows 20 to 26. West winds 10 to 15 mph with gusts
to around 25 mph. Chance of precipitation 60 percent.
.WEDNESDAY...Chance of snow showers and slight chance of
thunderstorms in the morning, then snow showers likely and chance
of thunderstorms in the afternoon. Snow accumulation of 1 to
3 inches. Highs 32 to 42. Southwest winds 10 to 15 mph in the
afternoon. Chance of precipitation 60 percent.
.WEDNESDAY NIGHT...Snow showers likely and slight chance of
thunderstorms. Lows 22 to 30. Chance of precipitation 60 percent.
.THURSDAY...Snow showers likely and chance of thunderstorms. Snow
accumulation up to 3 inches possible. Highs 31 to 41. South winds
10 to 15 mph with gusts to around 30 mph. Chance of precipitation
70 percent.
.THURSDAY NIGHT...Mostly cloudy with a chance of snow showers and
slight chance of thunderstorms. Lows 23 to 29. Chance of
precipitation 30 percent.
.FRIDAY...Partly cloudy with a 20 percent chance of thunderstorms
and snow showers. Highs 39 to 49.
.FRIDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms and snow showers. Lows 25 to 31.
.SATURDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 45 to 55.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms and snow showers. Lows 27 to 33.
.SUNDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 48 to 58.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers, snow
showers and slight chance of thunderstorms. Lows 28 to 34. Chance
of precipitation 30 percent.
.MEMORIAL DAY...Mostly cloudy with a 30 percent chance of
thunderstorms and snow showers. Highs 42 to 52.

$$

COZ034-220300-
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 Evans,
Williams Fork Mountains, and Winter Park
438 AM MDT Tue May 21 2019

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...Snow in the morning, then snow likely and chance of
thunderstorms in the afternoon. Snow accumulation of 4 to
6 inches. Highs 25 to 35. Northwest winds 10 to 20 mph with gusts
to around 35 mph.
.TONIGHT...Snow likely and slight chance of thunderstorms in the
evening, then a chance of snow after midnight. Snow accumulation
up to 2 inches. Lows 19 to 27. West winds 10 to 20 mph with gusts
to around 30 mph. Chance of precipitation 60 percent.
.WEDNESDAY...Chance of snow showers and slight chance of
thunderstorms in the morning, then snow showers likely and chance
of thunderstorms in the afternoon. Snow accumulation up to
3 inches. Highs 33 to 43. Southwest winds 10 to 15 mph. Chance of
precipitation 70 percent.
.WEDNESDAY NIGHT...Snow showers likely and slight chance of
thunderstorms. Snow accumulation up to 3 inches possible. Lows
22 to 30. Southeast winds 10 to 15 mph. Chance of precipitation
60 percent.
.THURSDAY...Snow showers likely and chance of thunderstorms. Snow
accumulation up to 3 inches possible. Highs 32 to 42. South winds
10 to 15 mph with gusts to around 30 mph. Chance of precipitation
60 percent.
.THURSDAY NIGHT...Partly cloudy with a chance of snow showers and
slight chance of thunderstorms. Lows 19 to 29. Chance of
precipitation 30 percent.
.FRIDAY...Mostly sunny with a 10 percent chance of thunderstorms
and snow showers. Highs 40 to 50.
.FRIDAY NIGHT...Partly cloudy. Lows 24 to 32.
.SATURDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 45 to 55.
.SATURDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms and snow showers. Lows 27 to 35.
.SUNDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 47 to 57.
.SUNDAY NIGHT...Partly cloudy with a 20 percent chance of
thunderstorms and snow showers. Lows 26 to 34.
.MEMORIAL DAY...Mostly cloudy with a 20 percent chance of
thunderstorms and snow showers. Highs 42 to 52.

$$

COZ031-220300-
West Jackson and West Grand Counties Above 9000 Feet-
including East Slopes Park and Northern Gore Ranges, Gore Pass,
and Rabbit Ears Pass
438 AM MDT Tue May 21 2019

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...Snow in the morning, then snow likely and chance of
thunderstorms in the afternoon. Snow accumulation of 2 to
5 inches. Highs 30 to 38. Northwest winds 10 to 15 mph in the
afternoon.
.TONIGHT...Chance of snow and slight chance of thunderstorms in
the evening, then snow likely after midnight. Snow accumulation
of 1 to 3 inches. Lows 21 to 27. Northwest winds 10 to 15 mph in
the evening becoming light. Chance of precipitation 70 percent.
.WEDNESDAY...Snow showers likely and slight chance of
thunderstorms in the morning, then snow showers likely and chance
of thunderstorms in the afternoon. Snow accumulation of 1 to
3 inches. Highs 34 to 44. West winds 10 to 15 mph in the
afternoon. Chance of precipitation 70 percent.
.WEDNESDAY NIGHT...Snow showers likely and slight chance of
thunderstorms. Lows in the mid 20s to lower 30s. Chance of
precipitation 60 percent.
.THURSDAY...Snow showers likely, chance of thunderstorms and rain
showers likely. Snow accumulation up to 3 inches possible. Highs
35 to 43. South winds 10 to 15 mph with gusts to around 25 mph.
Chance of precipitation 70 percent.
.THURSDAY NIGHT...Mostly cloudy with a chance of snow showers and
slight chance of thunderstorms. Lows 24 to 30. Chance of
precipitation 40 percent.
.FRIDAY...Mostly cloudy with a 30 percent chance of thunderstorms
and snow showers. Highs 39 to 49.
.FRIDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms and snow showers. Lows in the mid 20s to lower 30s.
.SATURDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 46 to 56.
.SATURDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms and snow showers. Lows near 30.
.SUNDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 49 to 59.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms and snow showers. Lows near 30.
.MEMORIAL DAY...Mostly cloudy with a chance of thunderstorms and
slight chance of snow showers. Highs 43 to 53. Chance of
precipitation 30 percent.

$$



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