Red Flag Warning: North Bighorn Basin/Worland BLM; Cody Foothills; 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; Granite/Green/Ferris/Rattlesnake Mountains

source: us-gov-api (us-gov-api:noaa-weather)published 2026-09-04 13:35ingested 2026-09-05 02:54

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Red Flag Warning — North Bighorn Basin/Worland BLM; Cody Foothills; 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; Granite/Green/Ferris/Rattlesnake Mountains Severity: Severe. Certainty: Likely. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...283...285...289. In North Central WY Fire Zones...275...276...281...282...287. In Northwest WY Fire Zone....286. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Big Horn...Hot Springs...Johnson...Park Washakie. In Southwest WY...Sweetwater. * WIND: Southwest 15 to 25 mph with gusts up to 35 mph. * HUMIDITY: As low as 9 to 15 percent. * TEMPERATURES: Highs in the mid 80s to low 90s.

retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.