Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region
A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >
Hazardous Weather Conditions
Last Update: 502 AM EDT Sat Apr 18 2026
For More Weather Information:
9NM SE Copper Harbor MI
Marine Zone Forecast
Early This Morning
Northwest wind 20 to 25 knots. Cloudy. Waves 3 to 5 feet occasionally to 7 feet.
Today
West wind up to 30 knots. Mostly cloudy. A slight chance of snow showers by late morning. Waves building to 4 to 7 feet occasionally to 9 feet.
Tonight
Northwest wind 20 to 25 knots with gale force gusts up to 34 knots. Mostly cloudy through late evening then becoming partly cloudy. A chance of snow showers through late evening, then a slight chance of snow showers by midnight. Waves subsiding to 3 to 6 feet occasionally to 8 feet, then building to 4 to 7 feet occasionally to 9 feet.
Sunday
Northwest wind 15 to 25 knots. Partly cloudy. Waves subsiding to 2 to 4 feet.
Sunday Night
Northwest wind 5 to 15 knots. Mostly clear. Waves subsiding to 1 to 2 feet.
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