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

Severe Thunderstorm Warning issued September 6 at 10:45PM MDT until September 6

Affecting Fergus, MT

In effect until: Sep 7, 2026, 5:30 AM

Fergus, MT

Confirmed in Fergus, MT; expires 5:30 AM.

For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

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At 1045 PM MDT, a severe thunderstorm was located over Roy, or 26
miles northeast of Lewistown, moving northeast at 25 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Roy and Fergus.

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

Severe Thunderstorm Warning issued September 6 at 10:45PM MDT until September 6

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