National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Fog/Mist

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 30.01 in (1016.1 mb)
Dewpoint 74°F (23°C)
Visibility 5.00 mi
Last update 4 Sep 9:53 am CDT
Extended Forecast for

Slidell LA

  • Today

    Today: Showers and thunderstorms, mainly before 4pm. Some of the storms could produce heavy rainfall. High near 90. North wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 90 °F

    Showers
    Likely then
    Heavy Rain

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Calm wind. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Labor Day

    Labor Day: A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming west around 5 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
Showers and thunderstorms, mainly before 4pm. Some of the storms could produce heavy rainfall. High near 90. North wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Calm wind. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 75. Calm wind.
Labor Day
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming west around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. East wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Slidell LA
 30.28°N 89.79°W
Last Update:
2:31 am CDT Sep 4, 2026
Forecast Valid:
10am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation