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.

Fair

79°F

26°C

Humidity 60%
Wind Speed SE 8 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 16 May 6:53 pm CDT
Extended Forecast for

Mandeville LA

  • Tonight

    Tonight: Mostly clear, with a low around 70. Southeast wind around 10 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 83. Southeast wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 74. Southeast wind around 10 mph.

    Low: 74 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Southeast wind 10 to 15 mph.

    High: 84 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 75. Southeast wind 5 to 15 mph.

    Low: 75 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74. Southeast wind 5 to 10 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 84 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 70. Southeast wind around 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 83. Southeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 74. Southeast wind around 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Southeast wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 75. Southeast wind 5 to 15 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74. Southeast wind 5 to 10 mph.
Wednesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind around 5 mph.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 81. South wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mandeville LA
 30.38°N 90.1°W
Last Update:
6:25 pm CDT May 16, 2026
Forecast Valid:
7pm CDT May 16, 2026-6pm CDT May 23, 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