Cheyenne, Wyoming

Regional Weather Alerts


Alert: Fire Weather Watch
Area(s): North Bighorn Basin/Worland BLM; Cody Foothills; Lincoln and Uinta Counties/Lower Elevations; Upper Green River Basin/Rock Springs BLM; Sweetwater County/Rock Springs BLM/Flaming Gorge NRA; Natrona County/Casper BLM; Johnson County/Casper BLM; South Bighorn Basin/Worland BLM; Upper Wind River Basin/Wind River Basin; South Bighorn Mountains; Absaroka Mountains/North Shoshone NF; Owl Creek Mountains; East Wind River Mountains/South Shoshone NF; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain
Effective: 2026-09-02 @ 3:05 am -> 2026-09-02 @ 7:00 pm
Onset: 2026-09-03 @ 1:00 pm -> 2026-09-03 @ 10:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Riverton WY on 2026-09-02 @ 3:05 am
Headline: Fire Weather Watch issued September 2 at 2:05AM MDT until September 3 at 9:00PM MDT by NWS Riverton WY
Description: The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect from Thursday afternoon through Thursday
evening.

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty
Winds could cause erratic fire behavior.

* AFFECTED AREA:
In Central WY Fire Zones...280...283...285...288...289...300.
In North Central WY Fire Zones...275...276...281...282...287.
In Northwest WY Fire Zone....286.
In Southwest WY Fire Zones...277...279.
In West Central WY Fire Zone....278.

* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In North Central WY...Big Horn...Hot Springs...Johnson...Park
Washakie.
In Southwest WY...Sweetwater...Uinta.
In West Central WY...Lincoln...Sublette.

* WIND: Southwest 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: 12 to 15 percent.

* TEMPERATURES: Highs in 70s West of the Continental Divide and the
mountains; in the 80s to near 90 in the lower elevations East of
the Divide.