Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

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Last Map Update: Wed, Jul 29, 2026 at 9:20:37 pm MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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Severe Thunderstorm Warning

Flash Flood Warning

Severe Weather Statement

Flood Advisory

Fire Weather Watch

Special Weather Statement

Air Quality Alert

Hazardous Weather Outlook

Buck Full Moon

The next full moon occurs on Wednesday July 29 at 836 am. It is known as the Buck Moon as new antlers emerge on male deer in July. It is also known as the Thunder Moon for the frequent thunderstorms during the summer.