Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Fire Weather Concerns in the Southern High Plains

Severe thunderstorms and the threat for excessive rainfall will move into the mid-Mississippi and lower Ohio Valleys today. There is potential for a few strong tornadoes, damaging wind gusts, large hail, and scattered flash flooding. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

11NM N Grand Isle LA

Marine Point Forecast

[NOTICE]

Today
High: 77 °F
SSE 10kt
< 1ft
Tonight
Low: 76 °F
SSE 10kt
< 1ft
Tuesday
High: 77 °F
SSE 10kt
< 1ft
Tuesday Night
Low: 72 °F
SSE 10kt
< 1ft
Wednesday
High: 78 °F
SSW 10kt
< 1ft
Wednesday Night
Low: 71 °F
SSW 10kt
< 1ft
Thursday
High: 77 °F
E 10kt
< 1ft
Thursday Night
Low: 70 °F
E 15kt
< 1ft
Friday
High: 76 °F
SE 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:05 am CDT Apr 27, 2026
Forecast Valid: 9am CDT Apr 27, 2026-6pm CDT May 3, 2026

View Nearby Observations

Detailed Forecast

Today

SSE wind around 10 kt. Sunny. Seas 1 ft or less.

Tonight

SSE wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

SSE wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

SSE wind around 10 kt becoming SSW after midnight. Partly cloudy. Seas 1 ft or less.

Wednesday

SSW wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

SSW wind 5 to 10 kt becoming WNW after midnight. Mostly cloudy. Seas 1 ft or less.

Thursday

NNW wind 5 to 10 kt becoming E in the afternoon. A slight chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Thursday Night

E wind 10 to 15 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

Friday

E wind around 15 kt becoming SE in the afternoon. Winds could gust as high as 20 kt. A slight chance of showers. Seas 1 ft or less.

Winds and seas higher in and near thunderstorms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.