National Weather Service Forecast for: Slidell LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 1:25 pm CDT Oct 20, 2026
 
This
Afternoon
This Afternoon: Sunny, with a steady temperature around 77. Northeast wind around 5 mph.
Sunny
 Tonight

Tonight: Clear, with a low around 54. Calm wind becoming northeast around 5 mph.
Clear
 Wednesday

Wednesday: Sunny, with a high near 79. Northeast wind around 5 mph.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 53. Calm wind.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 83. North wind around 5 mph becoming calm.
Sunny
 Thursday
Night
Thursday Night: Clear, with a low around 57. Calm wind.
Clear
 Friday

Friday: Sunny, with a high near 82. Northeast wind around 5 mph becoming southeast in the afternoon.
Sunny
 Friday
Night
Friday Night: Clear, with a low around 51. Calm wind becoming northeast around 5 mph after midnight.
Clear
 Saturday

Saturday: Sunny, with a high near 77. East wind 5 to 15 mph.
Sunny
Hi 77 °F Lo 54 °F Hi 79 °F Lo 53 °F Hi 83 °F Lo 57 °F Hi 82 °F Lo 51 °F Hi 77 °F

 

This Afternoon
 
 Sunny, with a steady temperature around 77. Northeast wind around 5 mph.
Tonight
 
 Clear, with a low around 54. Calm wind becoming northeast around 5 mph.
Wednesday
 
 Sunny, with a high near 79. Northeast wind around 5 mph.
Wednesday Night
 
 Mostly clear, with a low around 53. Calm wind.
Thursday
 
 Sunny, with a high near 83. North wind around 5 mph becoming calm.
Thursday Night
 
 Clear, with a low around 57. Calm wind.
Friday
 
 Sunny, with a high near 82. Northeast wind around 5 mph becoming southeast in the afternoon.
Friday Night
 
 Clear, with a low around 51. Calm wind becoming northeast around 5 mph after midnight.
Saturday
 
 Sunny, with a high near 77. East wind 5 to 15 mph.
Saturday Night
 
 Clear, with a low around 51. Northeast wind around 5 mph.
Sunday
 
 Sunny, with a high near 77. Northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
 
 Mostly clear, with a low around 51. Calm wind becoming northeast around 5 mph after midnight.
Monday
 
 Mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.

 

Forecast from NOAA-NWS for Slidell LA.