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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Hazardous Weather Conditions

Last Update: 347 PM CDT Thu Sep 20 2018

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Corpus Christi, TX Local Forecast Office

18NM S Port Aransas TX

Marine Zone Forecast


Synopsis: A weak to moderate onshore flow is expected Friday with a more moderate flow over the Gulf waters during the evening and overnight hours tonight and Friday night. Isolated showers and thunderstorms tonight will increase to isolated to scattered Friday into Friday night. Higher rain and thunderstorm chances are likely to continue through the weekend with weak to moderate south to southeasterly flow across area waters. The higher moisture will persist into the early part of next week resulting in continued daily rain and thunderstorm chances.

Tonight
Southeast wind around 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.
Friday
Southeast wind 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.
Friday Night
Southeast wind 10 to 15 knots shifting south after midnight. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Saturday
South wind 5 to 10 knots shifting southeast in the afternoon. Seas 2 to 3 feet. Showers and thunderstorms likely.
Saturday Night
Southeast wind around 10 knots shifting south after midnight. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Sunday
Southwest wind 5 to 10 knots shifting east in the afternoon. Seas 2 feet. A chance of showers and thunderstorms.
Sunday Night
Southeast wind around 10 knots shifting south after midnight. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Monday
South wind 5 to 10 knots shifting southeast in the afternoon. Seas 2 feet. A chance of showers and thunderstorms.
Monday Night
Southeast wind 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Tuesday
Southeast wind 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Tuesday Night
Southeast wind 10 to 15 knots. Seas 2 feet. A chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 347 PM CDT Thu Sep 20 2018
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