Hot Weather in the West; Heavy Rainfall and Flooding in the Southwest

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S, with the Pacific Northwest carrying the potential for record-breaking high temperatures. Monsoonal moisture over the Southwest U.S. may lead to heavy rainfall and instances of flash flooding through Wednesday. Read More >

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Last Map Update: Tue, Sep 2, 2025 at 9:36:15 am MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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Heat Advisory

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Hazardous Weather Outlook

Meteorological Fall

Meteorological fall begins today! We can expect a lot of changes in northeast Montana over the next 3 months while we transition into the cold months. What are your plans on this warm first day of fall?