Sky Warn 2026

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Last Map Update: Tue, Jun 9, 2026 at 10:48:23 am MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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Red Flag Warning

Lake Wind Advisory

Wind Advisory

High Wind Watch

Special Weather Statement

Hazardous Weather Outlook

Severe Weather Today

Lake Wind Advisory

Isolated thunderstorms are possible this morning mainly east of MT 13. Isolated to scattered thunderstorms are expected this afternoon. A few storms along the North Dakota could become severe with large hail and damaging winds.

A Lake Wind Advisory is in effect for Fort Peck Lake from 2 pm Tuesday through 6 PM Wednesday. West to northwest winds will range from 15 to 25 mph, gusting to 40 mph. Wave heights up to 5 feet will provide a hazard for small craft.