weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Riverton WY
339 AM MDT Mon May 20 2024

WYZ001>020-022>030-211300-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn 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-
339 AM MDT Mon May 20 2024

...Winter Weather Advisories for the Absarokas, eastern Wind
River Range and Bighorns tonight through Tuesday...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Showers and isolated thunderstorms spreading across the area. Snow
developing in the mountains, mainly East of the Divide. Please see
Winter Weather Products for details.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Tuesday...Rain continuing, especially in the north with more
mountain snow.

Thursday through Saturday...Further chances for showers.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
323 AM MDT Mon May 20 2024

SDZ026>032-041>044-046-074>077-WYZ059-211300-
Rapid City-Southern Foothills-Central Black Hills-
Southern Black Hills-Custer Co Plains-Pennington Co Plains-Haakon-
Western Fall River-Northern Oglala Lakota-Northern Jackson-
Bennett-Mellette-Hermosa Foothills-Eastern Fall River-
Southern Oglala Lakota-Southern Jackson-Newcastle-
323 AM MDT Mon May 20 2024 /423 AM CDT Mon May 20 2024/

This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.

.DAY ONE...Today and Tonight

Weak thunderstorms will be possible today and tonight. Severe
weather is not expected.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There is a chance for thunderstorms at times the rest of the
week. Severe weather is 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 Aberdeen SD
333 AM CDT Mon May 20 2024

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-210845-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts-
Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
333 AM CDT Mon May 20 2024 /233 AM MDT Mon May 20 2024/

This Hazardous Weather Outlook is for west central Minnesota,
central South Dakota, north central South Dakota and northeast
South Dakota.

.DAY ONE...Today and tonight.

Weak thunderstorms possible this afternoon through the evening. No
severe weather is anticipated.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE