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Severe · Fire Weather WatchActive alert

Fire Weather Watch issued October 4 at 1:01AM MDT until October 5

Affecting Sweetwater County/Rock Springs BLM/Flaming Gorge NRA; Natrona County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain

In effect until: Oct 5, 2026, 12:00 AM

Sweetwater County/Rock Springs BLM/Flaming Gorge NRA; Natrona County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain

Possible impact zone; conditions develop through 12:00 AM.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

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Read the original bulletin (official text)
The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect Monday afternoon.

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

* AFFECTED AREA:
In Central WY Fire Zones...280...289...300.
In Southwest WY Fire Zone....279.

* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In Southwest WY...Sweetwater.

* WIND: West to southwest 10 to 20 mph with gusts up to 30 to 35
mph.

* HUMIDITY: As low as 12 percent.

* TEMPERATURES: Highs in the upper 70s to mid 80s.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™