Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Riverton WY
309 AM MDT Sat Apr 18 2026

WYZ001>020-022>030-191315-
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-
309 AM MDT Sat Apr 18 2026

...A Freeze Warning is in effect for lower elevations east of the
Continental Divide through 9 AM this morning...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Elevated to critical fire weather conditions are expected for much of
central and southern Wyoming this afternoon.

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

Sunday through Wednesday...Elevated to critical fire weather
conditions are expected each afternoon.

Wednesday through Friday...Chances increase for the arrival of the
next weather system, though details remain uncertain for now.

.SPOTTER INFORMATION STATEMENT...

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

$$

Hazard Report Provided By forecast.weather.gov