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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Riverton WY
341 AM MDT Wed Mar 25 2026

WYZ001>020-022>030-261345-
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-
341 AM MDT Wed Mar 25 2026

...Red Flag Warnings for nearly all elevations across central WY
starting Wednesday afternoon through Wednesday evening...

...Red Flag Warnings for lower elevations across southern WY
starting Wednesday afternoon through Thursday evening...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Near record breaking temperatures in the upper 70s to low 80s along
with frequent wind gusts of 30 to 45 mph and low min RHs will create
widespread critical fire weather conditions this afternoon and
evening. A few virga showers will be possible over southern WY from
Casper to Rock Springs this evening. A dry lightning strike or two
cannot be ruled out along with a strong gusty outflow.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday...A cold front passage will improve fire weather concerns
for central and northern WY. Southern WY will see critical fire
weather conditions persist through the afternoon and evening.
Precipitation chances develop across portions of northern WY mainly
the eastern Bighorn Basin, Johnson County, and the higher elevations
of the northern Bighorns. The highest elevations of the northern
Bighorn range may see an inch or two of wet snow during the day.

.SPOTTER INFORMATION STATEMENT...

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

$$

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Page last modified: June 2, 2009
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