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FLUS45 KRIW 070743
HWORIW

Hazardous Weather Outlook
National Weather Service Riverton WY
143 AM MDT Sun Sep 7 2025

WYZ001>020-022>030-081145-
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-
143 AM MDT Sun Sep 7 2025

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Isolated to scattered showers and thunderstorms possible over areas
west of the Divide, as well as northern portions this afternoon.
Isolated showers will cross the Divide through the overnight hours.
Locally heavy rain and wind gusts of 45 to 55 mph will be possible
with the stronger (10% chance) storms.

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

Tuesday through Thursday...Showers and thunderstorms will be possible
each afternoon and evening. Elevated fire weather conditions expected
Wednesday and Thursday.

Friday...Chances increase for widespread precipitation.

.SPOTTER INFORMATION STATEMENT...

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

$$