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Hazardous Weather Outlook
National Weather Service Salt Lake City UT
359 PM MDT Tue Aug 11 2020

UTZ001>016-019>021-517-518-WYZ021-121300-
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-
642 AM MDT Tue Aug 11 2020

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 for portions of
southern Utah due to a combination of gusty winds and low humidity,
with the threat of dry thunderstorms over far northwest Utah

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Critical fire weather conditions will continue Wednesday across
southern Utah due to a combination of gusty winds and low
humidity.

Similar critical fire weather conditions may spread into central
and portions of northern Utah Wednesday and possibly into
Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information
about observed severe weather to the NWS while following all
local, state, and CDC guidelines.

$$

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
1100 AM MDT Tue Aug 11 2020

WYZ101>105-109>115-121700-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Carbon County-North Snowy Range Foothills-
Southwest Carbon County-Sierra Madre Range-
Upper North Platte River Basin-Snowy Range-Laramie Valley-
1100 AM MDT Tue Aug 11 2020

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

.DAY ONE...TODAY AND TONIGHT

Warm, dry and breezy conditions will develop across western
Niobrara, Converse, Albany and Carbon Counties today. A Red Flag
Warning is in effect until 8 PM this evening.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Warm, dry and windy weather will continue each day for areas along
and west of the Laramie Range. A Fire Weather Watch is in effect
Wednesday.

.Spotter information statement...

Spotter activation will not be required.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
1100 AM MDT Tue Aug 11 2020

NEZ002-003-019>021-054-055-095-096-WYZ106>108-116>119-121700-
Dawes-Box Butte-Scotts Bluff County-Banner County-Morrill-
Kimball County-Cheyenne-North Sioux-South Sioux-
Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-South Laramie Range-
South Laramie Range Foothills-Central Laramie County-
East Laramie County-
1100 AM MDT Tue Aug 11 2020

This hazardous weather outlook is for the western Nebraska
Panhandle and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Isolated to widely scattered thunderstorms will develop along the
Laramie Range early this afternoon and move east into the western
Nebraska Panhandle through early evening. A few of the storms are
expected to become severe with damaging downburst winds and large
hail across the Panhandle.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Warm, dry and windy conditions are expected Thursday across the
southeast Wyoming plains and western Nebraska Panhandle. Critical
fire weather conditions will be possible late Thursday morning
through the afternoon.

.Spotter information statement...

Spotter activation may be required across the western Nebraska
Panhandle from 4 PM through 8 PM this evening.

$$

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1055 AM MDT Tue Aug 11 2020

COZ030>051-121700-
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-
1055 AM MDT Tue Aug 11 2020

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

.DAY ONE...Today and Tonight

High temperatures will be well into the 90s across the urban
corridor and northeast plains this afternoon. Isolated high based
thunderstorms will be possible along and west of the urban
corridor. The storms may produce brief strong and gusty winds but
little if any rainfall. The fire danger will remain high due to
hot temperatures and persistent dry conditions.

There will be a marginal risk of severe thunderstorms over the
northeast plains between 1 and 5 PM. The best chance will occur
east of a line extending from Sterling to Akron to Limon. One or
two storms there could produce damaging wind gusts to 60 mph and
hail up to quarter size.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Hot and mainly dry weather will keep the fire danger elevated
through the period. The best chance thunderstorms each afternoon
and evening will be over the mountains and over the far eastern
plains, but most areas will remain dry.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

Hazardous Weather Outlook
National Weather Service Grand Junction CO
414 AM MDT Tue Aug 11 2020

COZ001>014-017>023-UTZ022>025-027>029-121015-
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-
414 AM MDT Tue Aug 11 2020

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

.DAY ONE...Today and Tonight

Critical fire weather conditions will develop across southeast
Utah and portions of west-central and northwest Colorado this
afternoon and will persist into the evening. Consequently, a Red
Flag Warning is in effect from noon through 8 PM this evening for
those areas. Meanwhile, isolated high based thunderstorms are
possible along the Continental Divide which will generate outflow
winds to 40 mph but little rain.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Hot, dry and breezy conditions are expected to redevelop Wednesday
and Thursday bringing the potential for critical fire weather
conditions both days. A Fire Weather Watch has been issued from
1100 Wednesday morning through 8 PM Wednesday evening for east-
central Utah along with west-central and northwest Colorado.
Additional highlights may be forthcoming Thursday.

Otherwise, isolated to scattered showers and thunderstorms are
expected each day, mainly over the mountains of the Continental
Divide. This activity is likely to continue to generate more wind
than rain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
301 AM MDT Tue Aug 11 2020

WYZ055-058-121300-
Southern Campbell-Weston-
301 AM MDT Tue Aug 11 2020

This Hazardous Weather Outlook is for portions of northeast
Wyoming.

.DAY ONE...Today and Tonight

Near critical to critical fire weather conditions  are expected
this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Near critical to critical fire weather conditions are possible
Wednesday afternoon and evening.

There is a chance of thunderstorms Wednesday through Friday.
Widespread severe thunderstorms are not expected 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 Rapid City SD
301 AM MDT Tue Aug 11 2020

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-121300-
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-
301 AM MDT Tue Aug 11 2020 /401 AM CDT Tue Aug 11 2020/

This Hazardous Weather Outlook is for portions of northwestern
South Dakota...south central South Dakota...southwestern South
Dakota...and the Black Hills of South Dakota.

.DAY ONE...Today and Tonight

Scattered thunderstorms will move across the area today. Severe
thunderstorms are possible, with large hail and damaging winds.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

There is a chance of thunderstorms Wednesday through Friday.
There is a marginal risk of severe thunderstorms Wednesday and
Thursday.

.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

$$

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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