Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Last Update: 212 PM CDT Tue May 19 2026

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Corpus Christi, TX Local Forecast Office

40NM SE Port Aransas TX

Marine Zone Forecast


Tonight
Southeast winds around 20 knots with gusts up to 20 knots. Seas around 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 8 seconds. A slight chance of showers and thunderstorms this evening, then a chance of showers and thunderstorms after midnight. A slight chance of showers and thunderstorms late.
Wednesday
Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: southeast 5 feet at 8 seconds. A chance of thunderstorms with a slight chance of showers in the morning.
Wednesday Night
Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds.
Thursday
Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 8 seconds. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.
Thursday Night
Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.
Friday
South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 6 seconds. A chance of showers and thunderstorms in the morning.
Friday Night
Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers and thunderstorms.
Saturday
Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of thunderstorms. Showers likely, mainly in the morning.
Saturday Night
Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.
Sunday
South winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon.
Sunday Night
Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.

winds and seas higher in and near thunderstorms.



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212 PM CDT Tue May 19 2026
 
 

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