Heavy Rain and Thunderstorms in the Plains; Tropical Moisture Brings Heavy Rain to Southern California and Southwest

Heavy rain showers and thunderstorms, some severe, will persist across the Plains and Mississippi Valley through Friday. Increasing tropical moisture from the remnants of Mario will bring showers, thunderstorms, and a flash flooding threat across much of southern California into the Desert Southwest through Friday. Read More >

Last Update: 1230 AM CDT Thu Sep 18 2025

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62NM SW Grand Isle LA

Marine Zone Forecast


Rest Of Tonight
East winds around 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 4 seconds.
Thursday
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 5 seconds. A slight chance of showers and thunderstorms.
Thursday Night
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms.
Friday
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the morning.
Friday Night
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 7 seconds. A slight chance of showers.
Saturday
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms.
Saturday Night
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers in the evening.
Sunday
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms.
Sunday Night
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.
Monday
East winds around 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 5 seconds. A chance of showers and thunderstorms.
Monday Night
Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers. A slight chance of thunderstorms after midnight.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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1230 AM CDT Thu Sep 18 2025
 
 

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