Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

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Last Map Update: Mon, Jun 22, 2026 at 4:12:22 am MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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National Weather Service Western and Central Wyoming

Flood Advisory

Special Weather Statement

Hazardous Weather Outlook

Severe Threat Today

Weather Outlook

Potential Storm System Late Week

There is a risk of strong to severe thunderstorms this afternoon into the evening over portions of southeast MT and northeast WY. Large hail, strong wind gusts and heavy rain are the primary threats.

A strong weather system may bring precipitation, cooler temperatures, and windy conditions to the area late this week into the weekend. However, uncertainty remains regarding the track of the weather system. Make sure to stay up to date with the latest weather forecast this week, especially if you have outdoor or travel plans late this week into the weekend.