Dangerous Heat and Heavy Rainfall into the Weekend
Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >
Last Update: 703 AM EDT Sat Sep 19 2026
For More Weather Information:
12NM SSW Pentwater MI
Marine Zone Forecast
Today
East winds 15 to 25 knots. Rain showers and a slight chance of thunderstorms. Waves 1 to 3 feet.
Tonight
East winds 10 to 20 knots backing northeast after midnight. Rain showers likely and a slight chance of thunderstorms. Patchy fog. Waves 1 to 2 feet.
Sunday
Northeast winds to 30 knots. Partly sunny. Waves 2 to 4 feet building to 3 to 5 feet early in the afternoon.
Sunday Night
Northeast winds to 30 knots decreasing to 15 to 20 knots after midnight. Partly cloudy. Waves 4 to 6 feet subsiding to 2 to 4 feet after midnight.
Monday
Northeast winds 15 to 20 knots. Mostly cloudy. Waves 1 to 3 feet.
Tuesday
Northeast winds 15 to 20 knots. Partly sunny. Waves 1 to 2 feet.
Wednesday
Northeast winds 15 to 20 knots. Partly sunny. Waves around 1 foot.
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