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FLUS45 KRIW 171018
HWORIW

Hazardous Weather Outlook
National Weather Service Riverton WY
418 AM MDT Thu Jul 17 2025

WYZ001>020-022>030-181430-
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-
418 AM MDT Thu Jul 17 2025

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Elevated to critical fire weather conditions exist across much of
the area this afternoon and evening. A Red Flag Warning is in effect
from Noon to 8PM today for fire zones across Natrona, Fremont,
Sweetwater, Sublette, and portions of Lincoln Counties.

Isolated mostly virga showers and dry thunderstorms will be capable
of gusty outflows between 40 and 50 mph across southern Wyoming this
afternoon.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Isolated to scattered afternoon and evening shower and thunderstorm
chances.

.SPOTTER INFORMATION STATEMENT...

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

$$