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.

Coastal Waters Forecast for St Ignace to False Detour Channel (LHZ346) (Text-Only)
NWS Forecast for: St Ignace to False Detour Channel (LHZ346)
Issued by: National Weather Service Gaylord, MI
Last Update: 941 PM EDT Thu Sep 20 2018

Overnight: Southeast wind 10 to 20 knots becoming southwest early in the morning. Gusts up to 30 knots. Patchy fog through the night. Showers likely after midnight. Chance of thunderstorms through the night. Chance of showers after midnight. Waves 4 to 7 feet. Waves occasionally around 8 feet.

Friday: West wind up to 30 knots with gusts to around 40 knots. Chance of showers. Waves 5 to 8 feet.

Friday Night: North wind 15 to 25 knots with gusts to around 35 knots. Partly cloudy. Waves 4 to 6 feet.

Saturday: South wind 5 to 10 knots. Sunny. Waves 2 feet or less. winds and waves higher in the vicinity of thunderstorms. see the open lakes forecast for days 3 through 5.

Zone Forecast: St Ignace to False Detour Channel (LHZ346)

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