Severe · Red Flag WarningActive alert

Red Flag Warning issued September 13 at 12:57PM MDT until September 14

Affecting Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Southwest Carbon County; North Snowy Range Foothills

In effect until: Sep 14, 2026, 12:00 PM

Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Southwest Carbon County; North Snowy Range Foothills

Likely impact; effects through 12:00 PM.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

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The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from noon to 8 PM MDT Monday. The
Fire Weather Watch is no longer in effect.


* AFFECTED AREA...Fire weather zones 417-423, 427, 432, and 433.

* WIND...West to Northwest winds 20 to 40 mph, gusts between 45
to 60 mph.

* HUMIDITY...Relative humidities as low as 10 to 20%.

* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Red Flag Warning issued September 13 at 12:57PM MDT until September 14

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