Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

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Last Map Update: Tue, Aug 11, 2026 at 5:42:30 pm MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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Severe Thunderstorm Warning

Severe Weather Statement

Severe Thunderstorm Watch

Red Flag Warning

Air Quality Alert

Hazardous Weather Outlook

Rainfall Late Wednesday - Friday

7 Day Outlook

A weather system will bring showers northeast into the area late Wednesday or Wednesday night. Some thunderstorms are possible at the onset. The heaviest rainfall is expected Thursday night. The rainfall can be expected to impact travel on unpaved roadways. For more information on the rainfall: https://www.weather.gov/crh/pqpf?sid=ggw

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Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

NWS Forecast Office Glasgow, MT