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Red Flag Warning Expires for Wyoming Regions

A Red Flag Warning for multiple Wyoming regions, including the Bighorn Basin and Casper BLM areas, has expired as of October 9, 2026, at 7:00 PM MDT, due to improved humidity and decreased winds.

Staff Writer
10/09/2026 · Riverton edition

The Red Flag Warning issued by the National Weather Service (NWS) in Riverton, Wyoming, for several regions has expired as of October 9, 2026, at 7:00 PM MDT.

This severe weather alert, which was in effect for the North Bighorn Basin/Worland BLM, Cody Foothills, Sweetwater County/Rock Springs BLM/Flaming Gorge NRA, Natrona County/Casper BLM, Johnson County/Casper BLM, South Bighorn Basin/Worland BLM, South Bighorn Mountains, Owl Creek Mountains, and Granite/Green/Ferris/Rattlesnake Mountains, has been allowed to expire due to an increase in relative humidity above critical levels and a decrease in strong winds.

The NWS Riverton WY issued the update at 6:54 PM MDT on October 9, 2026, confirming the expiration of the warning. Residents in these areas are advised that the immediate severe fire weather conditions have subsided.

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