Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Last Update: 338 PM CDT Sat Jun 21 2025

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Duluth, MN Local Forecast Office

21NM ESE Two Harbors MN

Marine Zone Forecast

Tonight

Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms after midnight. Patchy dense fog after midnight. Waves 1 to 2 feet building to 1 to 3 feet after midnight.

Sunday

Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Patchy dense fog in the morning. Slight chance of showers and thunderstorms through the day. Waves 2 to 4 feet. A small craft advisory may be needed.

Sunday Night

Northeast wind 10 to 15 knots becoming southeast 5 to 10 knots after midnight, then becoming southwest 10 to 15 knots early in the morning. Gusts up to 20 knots. Chance of showers and thunderstorms. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.

Monday

West wind 10 to 15 knots with gusts to around 20 knots. Chance of thunderstorms in the morning. Chance of rain showers through the day. Waves 1 to 2 feet.