Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Riverton WY
257 AM MDT Fri Jul 18 2025

WYZ001>020-022>030-191300-
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-
257 AM MDT Fri Jul 18 2025

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Thunderstorms are expected this afternoon and evening with a few
being strong to severe east of the Divide, especially across the
Bighorn Basin and Johnson County. The primary hazards will be gusty
winds up to 60 mph and isolated small hail.

Dry thunderstorms, capable of 50 mph gusty outflows, are possible
across the Wind Corridor and central Wyoming early this afternoon.

A few hours of elevated to critical fire weather conditions are
possible across eastern Sweetwater County early this afternoon.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Isolated to scattered afternoon and evening shower and thunderstorm
chances each day.

Elevated to critical fire weather conditions Sunday through Thursday.

.SPOTTER INFORMATION STATEMENT...

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

$$