Severe Thunderstorms Possible for the Great Lakes into Ohio Valley; Heavy to Excessive Rainfall Over the Southern Plains

Severe thunderstorms will race along a cold front from the Upper Mississippi Valley into the Great Lakes and Ohio Valley with the main threat being damaging winds. The tail end of this front will possibly produce heavy to excessive rainfall across the southern Plains into the Lower Mississippi Valley through Saturday. Finally, Major-to-record river flooding continues across the Carolinas.
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Last Update: 932 PM CDT Thu Sep 20 2018

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Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
Rest Of Tonight
Northeast wind 20 to 25 knots with becoming northwest 10 to 15 knots toward daybreak. Patchy fog through the night. Rain showers and slight chance of thunderstorms in the late evening and early morning. Rain showers likely toward daybreak. Waves 10 to 14 feet subsiding to 7 to 9 feet toward daybreak.
Friday
Northwest wind 20 to 25 knots. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 2 to 4 feet.
Friday Night
West wind 10 to 15 knots. Mostly clear. Waves 2 feet or less.
Saturday
West wind 15 to 20 knots. Slight chance of rain in the afternoon. Waves 5 to 7 feet. A small craft advisory may be needed.
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ABOUT THIS FORECAST

Last Update: 932 PM CDT Thu Sep 20 2018
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