National Weather Service Forecast for: Slidell LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Updated: 11:31 pm CST Dec 5, 2025
 
Overnight

Overnight: Showers likely, mainly after 4am. Cloudy, with a low around 46. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely

 Saturday

Saturday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 58. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely then
Chance
Showers
 Saturday
Night
Saturday Night: A slight chance of showers between 3am and 5am. Mostly cloudy, with a steady temperature around 52. Calm wind. Chance of precipitation is 20%.
Mostly Cloudy
then Slight
Chance
Showers
 Sunday

Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 70. Calm wind becoming north around 5 mph.
Chance
Showers

 Sunday
Night
Sunday Night: A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 47. Light and variable wind becoming north 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Chance
Showers then
Slight Chance
Showers
 Monday

Monday: Mostly sunny, with a high near 59. North wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 36. North wind around 5 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 59. Northeast wind around 5 mph becoming calm.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 41. Calm wind.
Mostly Clear
Lo 46 °F Hi 58 °F Lo 52 °F Hi 70 °F Lo 47 °F Hi 59 °F Lo 36 °F Hi 59 °F Lo 41 °F

 

Overnight
 
 Showers likely, mainly after 4am. Cloudy, with a low around 46. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 Showers likely, mainly before 1pm. Mostly cloudy, with a high near 58. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
 
 A slight chance of showers between 3am and 5am. Mostly cloudy, with a steady temperature around 52. Calm wind. Chance of precipitation is 20%.
Sunday
 
 A 40 percent chance of showers. Mostly cloudy, with a high near 70. Calm wind becoming north around 5 mph.
Sunday Night
 
 A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 47. Light and variable wind becoming north 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Monday
 
 Mostly sunny, with a high near 59. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
 
 Mostly clear, with a low around 36. North wind around 5 mph.
Tuesday
 
 Sunny, with a high near 59. Northeast wind around 5 mph becoming calm.
Tuesday Night
 
 Mostly clear, with a low around 41. Calm wind.
Wednesday
 
 Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the morning.
Wednesday Night
 
 Mostly clear, with a low around 51. Southwest wind around 5 mph.
Thursday
 
 Mostly sunny, with a high near 72. Southwest wind 5 to 10 mph.
Thursday Night
 
 Partly cloudy, with a low around 54. Southwest wind around 5 mph.
Friday
 
 Mostly sunny, with a high near 70. West wind 5 to 10 mph becoming north in the afternoon.

 

Forecast from NOAA-NWS for Slidell LA.