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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Cheyenne WY
607 AM MDT Thu May 25 2017

NEZ002-003-019>021-054-055-095-096-261215-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-
607 AM MDT Thu May 25 2017

This hazardous weather outlook is for portions of western
Nebraska.

.DAY ONE...TODAY AND TONIGHT

Scattered showers and thunderstorms will develop across the
mountains of southeast Wyoming and push eastward into the high
plains this afternoon through this evening. These thunderstorms
may become strong with gusty winds, locally heavy rainfall, and
hail through midnight tonight.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Another round of showers and thunderstorms are expected Friday
and Saturday. Strong to severe thunderstorms are possible Friday
afternoon, especially across the southern panhandle.

.Spotter information statement...

Spotter activation will not be required at this time.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
607 AM MDT Thu May 25 2017

WYZ101>119-261215-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-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-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
607 AM MDT Thu May 25 2017

This hazardous weather outlook is for portions of southeast
Wyoming.

.DAY ONE...TODAY AND TONIGHT

Scattered showers and thunderstorms will develop by noon today and
push eastward into the high plains east of Interstate 25. These
thunderstorms may become strong with gusty winds, locally heavy
rainfall, and hail across extreme southeast Wyoming.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Another round of showers and thunderstorms are expected Friday
and Saturday. Strong to severe thunderstorms are possible Friday
afternoon southeast of a line from Laramie to Torrington.

.Spotter information statement...

Spotter activation will not be required at this time.

$$

Hazardous Weather Outlook
National Weather Service North Platte NE
329 PM CDT Thu May 25 2017

NEZ004>010-022>029-035>038-056>059-069>071-094-262030-
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-
329 PM CDT Thu May 25 2017 /229 PM MDT Thu May 25 2017/

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

.DAY ONE...TONIGHT.

Severe thunderstorms are possible over southwest Nebraska this
evening south of Interstate 80 from Ogallala to Brady. Storms that
develop will be capable of damaging thunderstorm winds and large
hail.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

Strong to severe thunderstorms are possible late Friday afternoon
and Friday night. The area of concern will be for areas near and
south of a line from Ellsworth through Mullen and Broken Bow.
Large hail and damaging winds will be the primary hazards.
Thunderstorms will remain possible Saturday, but are not expected
to be strong.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight over southwest Nebraska.

&&

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

$$
power

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1018 AM MDT Thu May 25 2017

COZ030>051-261630-
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-
1018 AM MDT Thu May 25 2017

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

.DAY ONE...Today and Tonight

Scattered showers and thunderstorms will develop in the mountains
and quickly spread across the plains. A few severe storms will be
possible mainly east of a Fort Morgan to Limon line. Wind gusts
to 60 mph along with one inch hail will be the primary threat.
Elsewhere gusty winds to 50 mph along with small hail will be
possible with the storms.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

More thunderstorms will be possible on Friday as an upper level
disturbance slowly crosses over northern Colorado. It is possible
that some of the thunderstorms on Friday may become strong or
severe with large hail, damaging wind gusts and brief heavy
rainfall. Cool and unsettled weather is expected to continue
Saturday along with another round of afternoon thunderstorms.
Warmer temperatures are expected from Sunday through the middle of
next week, but each afternoon will see a chance of thunderstorms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed after 2 pm over the far northeast
plains.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
615 AM MDT Thu May 25 2017

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-261300-
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foot Hills-Rapid City-
Southern Foot Hills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Haakon-Fall River-
Oglala Lakota-Jackson-Bennett-Mellette-Todd-Tripp-
Sturgis/Piedmont Foot Hills-Southern Meade Co Plains-
Hermosa Foot Hills-Northern Campbell-Southern Campbell-
Western Crook-Wyoming Black Hills-Weston-Northeastern Crook-
615 AM MDT Thu May 25 2017 /715 AM CDT Thu May 25 2017/

This Hazardous weather outlook is for western South Dakota and
Northeastern Wyoming.

.DAY ONE...Today and Tonight

No hazardous weather expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Isolated thunderstorms will be possible Friday afternoon and
evening, and during the weekend. Widespread severe storms are not
anticipated at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Hazardous Weather Outlook
National Weather Service GRAND JUNCTION CO
521 AM MDT Thu May 25 2017

COZ001>014-017>023-UTZ022>025-027>029-261200-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-
Upper Gunnison River Valley-Uncompahgre Plateau and Dallas Divide-
Northwest San Juan Mountains-Southwest San Juan Mountains-
Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
521 AM MDT Thu May 25 2017

...Red Flag Warning this afternoon and evening for the southwest
colorado valleys...

This hazardous weather outlook is for eastern Utah and western
Colorado.

.DAY ONE...Today and Tonight

A southward moving cold front will stall along the north slopes of
the San Juan Mountains today. South of the front, gusty southwest
winds will combine with very low relative humidity values and dry
vegetation to create critical fire weather conditions. As a
result, a Red Flag Warnings is in effect for the southern valleys
in southwest Colorado this afternoon and early evening.

North of the cold front, expected scattered to numerous showers
and thunderstorms through tonight. Outflow wind gusts from passing
storms could exceed 50 mph with brief heavy rain and small hail
possible. Unsettled weather is expected to continue through the
overnight hours.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Passing weather disturbances will bring a chance for showers and
thunderstorms each afternoon and evening through early next week.
Some snow will be possible Friday night and Saturday across the
northern and central mountains in western Colorado. Gusty outflow
winds, small hail and brief heavy precipitation will be possible
with the stronger storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
208 AM MDT Thu May 25 2017

WYZ001>020-022>030-261200-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Big Horn Basin-Southwest Big Horn Basin-
Southeast Big Horn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
208 AM MDT Thu May 25 2017

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Isolated to widely scattered thunderstorms possible this
afternoon, mainly in the northwest and south.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Friday...Cool with showers and isolated thunderstorms. Snow
possible in the higher elevations.

Saturday through Wednesday...Isolated thunderstorms in the
afternoon and evening mainly over the mountains and adjacent
foothills. Gusty outflow winds, even from distant thunderstorms
could cause choppy waters on area lakes and reservoirs this
Memorial Day Weekend.

.SPOTTER INFORMATION STATEMENT...

Spotters are urged to report hail, wind gusts past 45 mph and any
flooding. Thank you.

$$

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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