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.
|NWS Forecast for: Calumet Harbor IL to Gary IN (LMZ743)|
Issued by: National Weather Service Chicago, IL
Last Update: 904 PM CDT Thu Sep 20 2018
Rest Of Tonight: Southwest winds to 30 kt. Slight chance of showers and thunderstorms. Waves 1 to 3 ft building to 2 to 4 ft.
Friday: Southwest winds to 30 kt becoming west 20 to 25 kt in the afternoon. Slight chance of showers and thunderstorms in the morning. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft in the afternoon.
Friday Night: North winds 15 to 25 kt becoming northeast 15 to 20 kt after midnight. Mostly cloudy. Waves 4 to 7 ft occasionally to 9 ft.
Saturday: East winds 10 to 15 kt becoming northeast 5 to 10 kt in the afternoon. Sunny. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft.
|Zone Forecast: Calumet Harbor IL to Gary IN (LMZ743)|
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