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FLUS45 KRIW 060748
HWORIW

Hazardous Weather Outlook
National Weather Service Riverton WY
148 AM MDT Sat Sep 6 2025

WYZ001>020-022>030-071200-
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-
148 AM MDT Sat Sep 6 2025

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Scattered thunderstorms possible over areas west of the Divide
through the afternoon and evening, along and west of a Jackson-to-
Wamsutter line. Elevated fire weather conditions for areas east of
the Divide due to low relative humidity.

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

Sunday...Isolated to widely scattered (10-30% chance) showers and
thunderstorms will be possible across the forecast area.

Tuesday through Thursday...The chance for widespread precipitation
returns to the forecast area.

.SPOTTER INFORMATION STATEMENT...

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

$$