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FLUS45 KRIW 280732
HWORIW

Hazardous Weather Outlook
National Weather Service Riverton WY
132 AM MDT Sun Sep 28 2025

WYZ001>020-022>030-291145-
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-
132 AM MDT Sun Sep 28 2025

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

There is a 20 to 40% chance for afternoon and evening showers and
thunderstorms across western portions of the forecast area. Wind
gusts up to 40 mph and small hail will be the main threats. There is
a 10% chance for locally heavy rain with the stronger storms.

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

Monday...There is a 10 to 20% chance for afternoon and evening
showers and thunderstorms across western portions of the forecast
area.

Tuesday...Showers and thunderstorms will be possible over western
portions in the afternoon and evening.

.SPOTTER INFORMATION STATEMENT...

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

$$