Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest
Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >
| NWS Forecast for: Mississippi Sound (GMZ532) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 535 AM CDT Wed Jun 17 2026 | |
Today: South winds 15 to 20 knots with gusts up to 25 knots. Waves 3 to 4 feet. A chance of thunderstorms. Showers likely early this morning, then a chance of showers late this morning and afternoon. Tonight: South winds 20 to 25 knots with gusts up to 30 knots. Waves 4 to 5 feet. Showers likely with a chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. Thursday: Southwest winds 20 to 25 knots with gusts up to 30 knots. Waves 4 to 5 feet. Showers, thunderstorms. Thursday Night: Southwest winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Waves 3 to 4 feet. Showers with thunderstorms likely in the evening, then a chance of showers and thunderstorms after midnight. Friday: Southwest winds 10 to 15 knots. Waves 2 to 3 feet. Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Friday Night: Southwest winds 5 to 10 knots. Waves around 2 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Saturday: West winds 5 to 10 knots, becoming south in the afternoon. Waves 1 foot or less, then around 2 feet in the afternoon. A chance of thunderstorms. Showers likely, mainly in the morning. Saturday Night: South winds 5 to 10 knots. Waves around 2 feet. A slight chance of showers and thunderstorms. Sunday: Southwest winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers and thunderstorms. Sunday Night: Southwest winds around 15 knots. Waves 3 to 4 feet. winds and waves higher in and near thunderstorms. | |
| Zone Forecast: Mississippi Sound (GMZ532) | |
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