7-Day Forecast 29.94°N 89.96°W (Text-Only)
NWS Forecast for: Chalmette LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 6:10 am CDT Mar 8, 2026


Today: Showers and thunderstorms, mainly before 4pm. Patchy fog before 10am. High near 27. Southeast wind 10 to 15 km/h becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy dense fog after 1am. Otherwise, mostly cloudy, with a low around 20. Calm wind.

Monday: A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 28. South wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon. Chance of precipitation is 20%.

Monday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 21. South wind around 10 km/h.

Tuesday: Partly sunny, with a high near 28. South wind 10 to 20 km/h.

Tuesday Night: Mostly cloudy, with a low around 21. South wind around 15 km/h.

Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 29. South wind 15 to 20 km/h increasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 50 km/h.

Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 13. Breezy, with a southwest wind 25 to 30 km/h becoming north 35 to 40 km/h after midnight. Winds could gust as high as 60 km/h. Chance of precipitation is 70%.

Thursday: Sunny, with a high near 21. Breezy, with a north wind 35 to 40 km/h decreasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 60 km/h.

Thursday Night: Mostly clear, with a low around 12. North wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight.

Friday: Sunny, with a high near 24. East wind 10 to 15 km/h becoming south in the afternoon.

Friday Night: Mostly clear, with a low around 15. South wind 5 to 10 km/h.

Saturday: Mostly sunny, with a high near 26. Southeast wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.



Chalmette LA
 29.94°N 89.96°W

Visit your local NWS office at: https://www.weather.gov/lix