Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Click a location below for detailed forecast.

Last Map Update: Tue, Jul 7, 2026 at 4:20:14 pm MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

Zoom Out

Flood Watch

Special Weather Statement

Hazardous Weather Outlook

Severe Weather Threat

Flood Watch

Lake Wind Advisory

***CORRECTED TIMING INFORMATION*** Additional thunderstorms will fire up and cross east today, with a few afternoon and evening severe storms likely (dark green and yellow shaded regions), especially from 2PM to 10 PM today. These storms may produce wind gusts to 60 mph, large hail, dangerous lightning, and heavy rainfall. Isolated flash flooding remains a concern. Be alert to rapid changes in conditions and have a way to receive notifications of any watches or warnings that are issued.

Recent heavy rainfall and flooding have kept many locations saturated. The next upcoming storm system has the potential to add an another 0.5 to 1.0 inch of rainfall. Timing will be spread out through all of Tuesday, with periods of rain and the occasional breaks in-between. A few isolated areas may receive more rain if thunderstorms pass directly overhead. Stay tuned for updates and remember: Turn around, don’t drown.

Text Product Selector (Selected product opens in current window)

Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

NWS Forecast Office Glasgow, MT