Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
336 AM MDT Thu Aug 28 2025
WYZ001>020-022>030-291345-
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-
336 AM MDT Thu Aug 28 2025
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and tonight.
Widely scattered rain showers and a few embedded thunderstorms with
lightning and brief heavy rainfall the main hazards.
Scattered to widespread rain showers with brief periods of heavy
downpours, especially across western Wyoming and along and east of
the Divide. A few embedded thunderstorms are possible in the
afternoon.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday and Saturday... Isolated to scattered shower and thunderstorm
chances along and east of the DivSpotter activation is not expected
at this time.ide with lightning being the primary hazard.
.SPOTTER INFORMATION STATEMENT...
Spotters are requested to submit rainfall totals online.
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
310 AM MDT Thu Aug 28 2025
SDZ001-002-012>014-024>032-041>044-046-047-049-072>078-WYZ054>060-
291300-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foothills-Rapid City-
Southern Foothills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Haakon-Western Fall River-
Northern Oglala Lakota-Northern Jackson-Bennett-Mellette-Todd-
Tripp-Sturgis/Piedmont Foothills-Southern Meade Co Plains-
Hermosa Foothills-Eastern Fall River-Southern Oglala Lakota-
Southern Jackson-Southern Perkins-Northern Campbell-
Southern Campbell-Western Crook-Wyoming Black Hills-
Weston County Plains-Newcastle-Northeastern Crook-
310 AM MDT Thu Aug 28 2025 /410 AM CDT Thu Aug 28 2025/
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
Showers and thunderstorms will be possible today, mainly across
southwestern South Dakota into the Black Hills and northeastern
Wyoming. Organized severe weather is not expected.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Showers and thunderstorms will be possible through this weekend.
Severe storms are not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
