Severe Thunderstorms, Heavy Rainfall and Dangerous Heat
Severe thunderstorms are expected today and Friday from the upper Midwest, central Great Lakes into the Ohio and mid-Mississippi Valley's. In addition, heavy rainfall threat increases on Friday across the Ohio Valley. Meanwhile, early summer-like heat wave across portions of southern Texas with new daily records are forecast today and through the weekend; The heat spreads across the Gulf States. Read More >
| NWS Forecast for: Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays (LSZ247) Issued by: National Weather Service Marquette, MI Last Update: 1101 PM EDT Thu May 15 2025 |  |
Rest Of Tonight: South wind 5 to 15 knots. Cloudy with a chance of showers and thunderstorms by midnight, then mostly clear late. Waves 2 to 3 feet building to 2 to 4 feet, then subsiding to 2 to 3 feet. Friday: South wind 10 to 15 knots veering southwest late. Gusts up to 31 knots. Mostly sunny through mid morning then becoming mostly cloudy. A slight chance of showers by late morning. A chance of showers late. Waves subsiding to 1 to 2 feet. Friday Night: Northwest wind less than 10 knots backing west after midnight. Gusts up to 17 knots. Cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. Waves 1 to 2 feet. Saturday: Northwest wind 10 to 15 knots. Gusts up to 23 knots. Cloudy with a chance of rain showers. Waves building to 2 to 3 feet. | |
| Zone Forecast: Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays (LSZ247) | |
Visit your local NWS office at: https://www.weather.gov/mqt/ |