Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions.
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Hazardous Weather Conditions

Last Update: 1003 PM EST Tue Dec 12 2017

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Detroit/Pontiac, MI Local Forecast Office

11NM WNW Sebewaing MI

Marine Zone Forecast

Rest Of Tonight
Northwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots after midnight. Partly cloudy. A chance of flurries. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight.
Wednesday
Northwest winds 5 to 10 knots backing to the southeast in the late morning and early afternoon...then becoming east 10 to 15 knots late in the afternoon. A chance of light snow early in the morning...then light snow in the late morning and afternoon. Waves around 2 feet or less.
Wednesday Night
Northeast winds 10 to 15 knots becoming north 15 to 20 knots in the late evening and overnight. Light snow early in the evening...then light snow showers in the late evening and early morning. Waves around 2 feet or less building to 2 to 4 feet in the late evening and early morning...then subsiding to 1 to 3 feet early in the morning.
Thursday
Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Mostly sunny becoming partly cloudy early in the afternoon becoming mostly 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: 1003 PM EST Tue Dec 12 2017
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