Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Riverton WY
135 AM MDT Wed Sep 10 2025

WYZ001>020-022>030-111145-
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-
135 AM MDT Wed Sep 10 2025

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Widespread elevated fire weather conditions are expected today, with
wind gusts up to 35 mph being the bigger threat.

Isolated to widely scattered (10-20% chance) showers and
thunderstorms will be possible this afternoon and evening. Wind gusts
of 40 to 50 mph will be the main threat.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday...Widespread elevated fire weather conditions expected again,
with wind gusts up to 35 mph being the bigger threat and impacting
more locations. Scattered (20-30% chance) showers and thunderstorms
will be possible this afternoon and evening. Wind gusts of 40 to 50
mph will be the main threat, with a 10% chance for brief heavy rain.

Saturday...Chances for showers and thunderstorms, mainly over western
and northern portions.

.SPOTTER INFORMATION STATEMENT...

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

$$