Excessive Heat Spreads East; Many Areas with Heavy Rain Threats

Hot and muggy conditions are forecast to continue across the Midwest and Northeast, while spreading eastward. A frontal boundary bringing very heavy rains to the Upper Midwest will sag southward bringing cooler temperatures to areas to the north, including the city of Chicago. Heavy rains will also be possible along the Texas Gulf Coast from a tropical disturbance.
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Last Update: 353 AM EDT Mon Jun 18 2018

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Detroit/Pontiac, MI Local Forecast Office

12NM N Port Sanilac MI

Marine Zone Forecast

Today
West winds 10 to 15 knots. Partly cloudy in the morning becoming mostly cloudy. A slight chance of showers and thunderstorms early in the morning...then a chance of showers and thunderstorms late in the morning. Showers and thunderstorms likely in the afternoon. Waves around 2 feet or less.
Tonight
North winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Mostly cloudy with a chance of showers and thunderstorms until early morning...then partly cloudy early in the morning. Waves 1 to 3 feet.
Tuesday
Northeast winds 5 to 10 knots. Partly cloudy. Waves around 2 feet or less.
Tuesday Night
North winds 5 to 10 knots until early morning becoming light and variable. Partly cloudy. Waves around 2 feet or less. see lake huron open lake forecast for days 3 through 5.
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ABOUT THIS FORECAST

Last Update: 353 AM EDT Mon Jun 18 2018
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