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Severe · Red Flag WarningActive alert

Red Flag Warning issued October 4 at 12:40PM MDT until October 5

Affecting Gallatin National Forest; Wheatland County/Sweet Grass County

In effect until: Oct 5, 2026, 6:45 PM

Gallatin National Forest; Wheatland County/Sweet Grass County

Likely impact; effects through 6:45 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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Read the original bulletin (official text)
The National Weather Service in Billings has issued a Red Flag
Warning...which is in effect from 10 AM to 8 PM MDT Monday. The
Fire Weather Watch is no longer in effect.

* IMPACTS: Low humidities, unseasonably warm temperatures, and
gusty winds will create erratic fire behavior for new or existing
fires.

* AFFECTED AREA:
In South Central MT Fire Zones...123...124.

* COUNTIES AFFECTED:
In Central MT...Wheatland.
In South Central MT...Park...Sweet Grass.
In Southwest MT...Gallatin.

* WIND: West 15 to 25 mph with gusts up to 35 mph.

* HUMIDITY: As low as 12 percent.

* TEMPERATURES: up to 87 degrees.

* ADDITIONAL DETAILS: The worst conditions are expected across
the lower to mid elevations in fine fuels.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™