National Weather Service Forecast for: Slidell LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 2:02 am CDT Apr 6, 2026
 
Overnight

Overnight: A 30 percent chance of showers, mainly after 5am. Cloudy, with a steady temperature around 57. North wind around 10 mph, with gusts as high as 20 mph.
Chance
Showers
 Monday

Monday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 70. Northeast wind around 10 mph, with gusts as high as 20 mph.
Chance
Showers then
Partly Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 49. Northeast wind around 5 mph.
Mostly Clear

 Tuesday

Tuesday: Mostly sunny, with a high near 77. East wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 57. East wind around 5 mph.
Partly Cloudy

 Wednesday

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Chance
Showers
 Wednesday
Night
Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. East wind 10 to 15 mph.
Chance
Showers
 Thursday

Thursday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. East wind 10 to 15 mph, with gusts as high as 25 mph.
Chance
Showers
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 63. East wind 5 to 10 mph.
Mostly Cloudy
Lo 57 °F Hi 70 °F Lo 49 °F Hi 77 °F Lo 57 °F Hi 75 °F Lo 61 °F Hi 76 °F Lo 63 °F

 

Overnight
 
 A 30 percent chance of showers, mainly after 5am. Cloudy, with a steady temperature around 57. North wind around 10 mph, with gusts as high as 20 mph.
Monday
 
 A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 70. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
 
 Mostly clear, with a low around 49. Northeast wind around 5 mph.
Tuesday
 
 Mostly sunny, with a high near 77. East wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
 
 Partly cloudy, with a low around 57. East wind around 5 mph.
Wednesday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Wednesday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. East wind 10 to 15 mph.
Thursday
 
 A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. East wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
 
 Mostly cloudy, with a low around 63. East wind 5 to 10 mph.
Friday
 
 A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. East wind around 10 mph, with gusts as high as 20 mph.
Friday Night
 
 A slight chance of showers. Mostly cloudy, with a low around 63. East wind 5 to 10 mph.
Saturday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Southeast wind 5 to 10 mph.
Saturday Night
 
 Partly cloudy, with a low around 64. Southeast wind around 5 mph.
Sunday
 
 Mostly sunny, with a high near 82. Southeast wind 5 to 15 mph.

 

Forecast from NOAA-NWS for Slidell LA.