National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Riverton WY
442 AM MDT Fri May 7 2021

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-
442 AM MDT Fri May 7 2021

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Elevated fire conditions over portions of central and southern
areas. Isolated to locally scattered thunderstorms this afternoon
and evening especially over the west and north. The main hazard
will be very strong and erratic winds.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

The probability for widespread hazardous weather is low.


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


Hazardous Weather Outlook
National Weather Service Salt Lake City UT
416 AM MDT Fri May 7 2021

Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Eastern Box Elder County-Northern Wasatch Front-Salt Lake Valley-
Utah Valley-Cache Valley/Utah Portion-Wasatch Back-
Bear Lake and Bear River Valley-Wasatch Mountains I-80 North-
Wasatch Mountains South of I-80-Western Uinta Mountains-
Wasatch Plateau/Book Cliffs-Western Uinta Basin-
Western Millard and Juab Counties-Eastern Juab/Millard Counties-
Central Mountains-Sanpete Valley-Sevier Valley-Castle Country-
San Rafael Swell-Southwest Utah-Lower Washington County-
Zion National Park-Southern Mountains-Upper Sevier River Valleys-
Bryce Canyon Country-South Central Utah-
Capitol Reef National Park and Vicinity-Western Canyonlands-
Glen Canyon Recreation Area/Lake Powell-Southwest Wyoming-
416 AM MDT Fri May 7 2021

This Hazardous Weather Outlook is for portions of central Utah...
northern Utah...southern Utah...southwest Utah and southwest

.DAY ONE...Today and Tonight

Gusty and erratic winds are possible near high based showers and
thunderstorms across portions of northern and central Utah this
afternoon and evening. These winds may bring rough conditions to
area lakes.

Critical fire weather conditions are expected across portions of
far southern Utah this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Unseasonably cold temperatures Saturday night into Sunday morning
could bring hard freeze conditions to the Cache Valley, the
Wasatch Back and far northern Utah near Snowville. Patchy frost is
possible across the northern Wasatch Front Ogden and north as
well as normally colder locations of west central and southwest


Spotter activation is not expected. 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...

For information on potential road travel impacts visit...

Hazardous Weather Outlook
National Weather Service Billings MT
217 AM MDT Fri May 7 2021

Musselshell-Northern Stillwater-Northern Park-Golden Valley-
Judith Gap-Paradise Valley-Livingston Area-Beartooth Foothills-
Absaroka/Beartooth Mountains-Crazy Mountains-Northern Sweet Grass-
Melville Foothills-Northeastern Yellowstone-Southern Wheatland-
Southwestern Yellowstone-
217 AM MDT Fri May 7 2021

This Hazardous Weather Outlook is for portions of central Montana
and south central Montana.

* WHAT...Potential for a few strong to severe thunderstorms.

* WHERE...Portions of south central Montana.

* WHEN...Late this afternoon and evening.

* ADDITIONAL DETAILS...Locations along and west of a line from Red
  Lodge to Billings and Ingomar have the greatest potential for a
  strong to severe thunderstorm. Hail up to an inch in diameter and
  wind gusts to 60 mph are possible.


Be sure to stay tuned for further updates on this potential
hazardous weather.

Additional graphics can be found at:



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE