Severe · Severe Thunderstorm WarningThis alert has expired. It is kept for reference.

Severe Thunderstorm Warning issued September 6 at 6:53PM MDT until September 6

Affecting Chouteau, MT; Judith Basin, MT

In effect until: Sep 7, 2026, 1:45 AM

Chouteau, MT; Judith Basin, MT

Confirmed across 2 counties in MT; expires 1:45 AM.

Go indoors and stay away from windows until the storm passes.

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SVRTFX

The National Weather Service in Great Falls has issued a

* Severe Thunderstorm Warning for...
Northwestern Judith Basin County in central Montana...
South central Chouteau County in north central Montana...

* Until 745 PM MDT.

* At 652 PM MDT, a severe thunderstorm was located 7 miles southwest
of Geyser, or 19 miles west of Stanford, moving northeast at 20
mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

* Locations impacted include...
Geyser.

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

Severe Thunderstorm Warning issued September 6 at 6:53PM MDT until September 6

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