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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Riverton WY
820 PM MDT Sun Sep 23 2018

WYZ001>020-022>030-241100-
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-
820 PM MDT Sun Sep 23 2018

...Red Flag Warnings for Southern and Southwestern Wyoming
through 8 PM MDT Monday...

This Hazardous Weather Outlook is for Western and Central
Wyoming.

.DAY ONE...Tonight.

Isolated to widely scattered showers, turning to snow in the
higher elevations over the northern mountains, including
Yellowstone.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday...Critical fire weather conditions over the southwest and
south, with west-northwest winds gusting as high as 35 mph.

Tuesday...Elevated to  fire weather conditions over western and
central portions.

Wednesday...Elevated to critical fire weather conditions over much
of the forecast area. Red Flag conditions likely over western and
southern portions, including Natrona County.

Thursday...Elevated fire weather conditions over the southwest.

Friday...Elevated to critical fire weather conditions of much of
Central and Southwest Wyoming.


.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

Hazardous Weather Outlook
National Weather Service Grand Junction CO
238 PM MDT Sun Sep 23 2018

COZ001>014-017>023-UTZ022>025-027>029-242045-
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-
238 PM MDT Sun Sep 23 2018

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

.DAY ONE...This Afternoon and Tonight

Isolated thunderstorms are expected to develop over the mountains
this afternoon and evening, increasing in coverage overnight.
Light snow is possible above the timberline.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Monday: A cold front will bring scattered thunderstorms and high
mountain snow to the region. Critical fire weather conditions are
expected to develop over much of northeast Utah and northwest
Colorado Monday afternoon and evening.

Tuesday-Wednesday: Dry, except for isolated afternoon/evening
thunderstorms over the San Juan Mountains.

Thursday-Saturday: Dry and warmer.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
224 PM MDT Sun Sep 23 2018

SDZ026>030-041-042-074-WYZ055-056-058-071-241300-
Rapid City-Southern Foot Hills-Central Black Hills-
Southern Black Hills-Custer Co Plains-Fall River-Oglala Lakota-
Hermosa Foot Hills-Southern Campbell-Western Crook-Weston-
Northeastern Crook-
224 PM MDT Sun Sep 23 2018

This Hazardous Weather Outlook is for portions of southwestern
South Dakota...the Black Hills of South Dakota...and northeast
Wyoming.

.DAY ONE...This Afternoon and Tonight

Warm, dry, and breezy weather will continue to produce critical
fire weather conditions this afternoon through early evening,
mainly south of a line from Wright to Newcastle to Pine Ridge.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Isolated thunderstorms are possible Monday afternoon and evening.
Severe storms are not expected.

.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 Denver/Boulder CO
1104 AM MDT Sun Sep 23 2018

COZ030>051-241715-
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-
1104 AM MDT Sun Sep 23 2018

...RED FLAG WARNING IN EFFECT FOR MUCH OF JACKSON AND GRAND
COUNTIES UNTIL 8 PM MDT...

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

.DAY ONE...Today and Tonight

Critical fire danger conditions will occur in much of Jackson and
Grand Counties today, stretching east along the Wyoming border
into the far northern Foothills. In those areas west winds of 15
to 25 mph will be common along with low humidities. Elsewhere,
winds will be lighter but there will be dry with near record
warmth.

For tonight, scattered rain showers will develop across the
northern mountains, but any rainfall will be light. Some light
snow is possible above timberline. A few sprinkles may spread
onto the northern plains toward early Monday morning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Cooler temperatures along with a chance of showers and a few
storms are expected on Monday. On Tuesday expect below normal
temperatures with a slight chance of showers. Temperatures
will increase to end the week with dry conditions expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

Gimmestad/Cooper

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
644 AM MDT Sun Sep 23 2018

UTZ001>016-019>021-517-518-WYZ021-241200-
Cache Valley/Utah Portion-Northern Wasatch Front-
Salt Lake and Tooele Valleys-Southern Wasatch Front-
Great Salt Lake Desert and Mountains-Wasatch Mountain Valleys-
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-Wasatch Plateau/Book Cliffs-
Western Uinta Basin-Castle Country-San Rafael Swell-
Sanpete/Sevier Valleys-West Central Utah-Southwest Utah-
Utahs Dixie and Zion National Park-South Central Utah-
Glen Canyon Recreation Area/Lake Powell-Central Mountains-
Southern Mountains-Southwest Wyoming-
644 AM MDT Sun Sep 23 2018

This Hazardous Weather Outlook is for the western two thirds of
Utah and southwest Wyoming.

.DAY ONE...Today and Tonight

Critical fire weather conditions are expected across portions of
the area today. See the latest Red Flag Warning for additional
details.

Scattered showers and isolated thunderstorms are expected late
this afternoon and evening across portions of northern and central
Utah south of I-80, and east of I-15. Strong gusty winds will be
possible with these storms.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Critical fire weather conditions will continue across portions of
the area into the day Monday. A cooler northwest flow will follow
for the middle portion of the upcoming week.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

$$

For more information from NOAA/s National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential road travel impacts visit...
http://www.udottraffic.utah.gov/roadweatherforecast.aspx

Hazardous Weather Outlook
National Weather Service Cheyenne WY
617 AM MDT Sun Sep 23 2018

WYZ101-103>106-109>117-241230-
Converse County Lower Elevations-North Laramie Range-
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Laramie Range and Southwest Platte 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-
617 AM MDT Sun Sep 23 2018

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

.DAY ONE...TODAY AND TONIGHT

Strong winds and low humidity will create dangerous fire weather
conditions across southeast Wyoming today, especially along and
west of the Laramie Range. Red Flag Warnings are in effect.

Isolated showers and thunderstorms are possible later today and
tonight. Some storms may produce gusty and erratic winds.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Fire weather concerns will remain elevated on Monday. A Fire
Weather Watch is in effect for areas along and west of the Laramie
Range in southeast Wyoming.

.Spotter information statement...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
617 AM MDT Sun Sep 23 2018

NEZ002-003-095-096-WYZ102-107-108-118-119-241230-
Dawes-Box Butte-North Sioux-South Sioux-Niobrara County-
East Platte County-Goshen County-Central Laramie County-
East Laramie County-
617 AM MDT Sun Sep 23 2018

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

.DAY ONE...TODAY AND TONIGHT

Gusty winds and low humidity will create near critical fire
weather conditions today from eastern Wyoming into the northern
Nebraska Panhandle. Red Flag Warnings are in effect.

Isolated showers and thunderstorms are possible later today and
tonight. Some storms may produce gusty and erratic winds.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

No hazardous weather is expected.

.Spotter information statement...

Spotter activation will not be needed.

$$

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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