Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

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Last Map Update: Tue, Jul 28, 2026 at 11:00:08 pm MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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National Weather Service Western and Central Wyoming

Air Quality Alert

Hazardous Weather Outlook

Severe Thunderstorm Outlook

Hot Conditions Continue

Wildfire Smoke

Isolated to scattered thunderstorms are expected Wednesday afternoon and evening. With this, a few thunderstorms could produce strong wind gusts up to and excess of 65 mph. The risk of thunderstorms producing strong winds is greatest over eastern MT into northeast WY and the Dakotas.