Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

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Last Map Update: Fri, Oct 17, 2025 at 11:30:12 pm MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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Lake Wind Advisory

High Wind Watch

Hazardous Weather Outlook

Lake Wind Advisory Extended

The Lake Wind Advisory remains in effect for Fort Peck Lake and has been extended until 6PM Saturday. Area W/NW winds will be reinforced by a cold frontal passage tonight and continue at times on Saturday, ranging between 15 and 25 mph with gusts to between 35 and 40 mph. Look for difficult boating conditions as wave heights reach 3 to 4 feet.