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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Cheyenne WY
622 PM MDT Fri Apr 20 2018

NEZ002-003-019>021-054-055-095-096-WYZ101-102-104>111-113-115-
117>119-211245-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-Converse County Lower Elevations-
Niobrara County-Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Upper North Platte River Basin-Laramie Valley-
South Laramie Range Foothills-Central Laramie County-
East Laramie County-
622 PM MDT Fri Apr 20 2018

This hazardous weather outlook is for portions of western
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.

.DAY ONE...TONIGHT

Rain will change entirely to snow this evening and overnight, with
some accumulations possible mainly on grassy surfaces. Motorists
will encounter slick road conditions and low visibilities at times
tonight especially around Arlington and Elk Mountain.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

The probability for widespread hazardous weather is low.

.Spotter information statement...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service North Platte NE
307 PM CDT Fri Apr 20 2018

NEZ004>010-022>029-035>038-056>059-069>071-094-212015-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-
Grant-Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-
Logan-Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
307 PM CDT Fri Apr 20 2018 /207 PM MDT Fri Apr 20 2018/

This Hazardous Weather Outlook is for portions of western and
north central Nebraska.

.DAY ONE...TONIGHT.

Rain will mix with or switch to snow beginning late this evening
for much of western Nebraska. Light snow accumulations up to 1
inch are possible overnight for areas along and west of Highway
61.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

Get your weather, hydrological, and climate information at
http://www.weather.gov/northplatte

$$

DS

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1103 AM MDT Fri Apr 20 2018

COZ030>051-211715-
Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
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-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-
Central and Southeast Park County-
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-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1103 AM MDT Fri Apr 20 2018

...SNOW OVER THE MOUNTAINS WILL CONTINUE THROUGH SATURDAY
AFTERNOON WITH WINTER WEATHER WARNINGS AND ADVISORIES ALONG THE
FOOTHILLS...

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

A strong weather system will move across the central and southern
Rockies through Saturday. Snow showers will continue to become
widespread in the mountains through the day. Some of the showers
will be heavy this afternoon and evening, and a few thunderstorms
are also possible. Accumulations of 6 to 12 inches will be common
over the higher mountains and on the higher east slopes of the
Front Range by this afternoon, with 2 to 6 inches in the mountain
valleys and the lower foothills.

On the plains, scattered rain showers will develop over the
eastern border through the morning and into the afternoon. Rain
will then increase across the plains by the afternoon hours. The
rain is expected to change to snow above about 5500 feet during
the night. Some locations may have an inch or two of snow on
grassy areas, especially in the higher elevations south of Denver.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Snow will continue in the mountains and foothills, with scattered
to numerous rain and snow showers across the northeast plains in
the morning, with rain showers in the afternoon. The storm system
will exit the region by Saturday evening, followed by a warmer and
relatively drier pattern for Sunday and Monday. The next chance
of precipitation for the region will be on Monday night and
Tuesday. Warmer and drier on Wednesday,  then another shot of
showers and cooler temperatures by Thursday.

.SPOTTER INFORMATION STATEMENT...

Snowfall reports from spotters will be appreciated.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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