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.

Mostly Cloudy

83°F

28°C

Humidity 79%
Wind Speed Vrbl 6 mph
Barometer 29.94 in (1014.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 5 Sep 9:53 am CDT
Extended Forecast for

Mandeville LA

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 78. Calm wind becoming southwest around 5 mph.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 90. Heat index values as high as 105. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 80. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 80 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Labor Day

    Labor Day: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Northwest wind around 5 mph becoming south in the afternoon.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 79. South wind around 5 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 79 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 88. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 70%.

    High: 88 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm after midnight.

    Low: 76 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. East wind around 5 mph.

    High: 89 °F

    T-storms
    Likely

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 78. Calm wind becoming southwest around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 90. Heat index values as high as 105. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 80. Southwest wind around 5 mph becoming northwest after midnight.
Labor Day
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Northwest wind around 5 mph becoming south in the afternoon.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 79. South wind around 5 mph becoming northwest after midnight. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 88. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm after midnight.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. East wind around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 76. South wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 90. Northwest wind around 5 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Mandeville LA
 30.35°N 90.07°W
Last Update:
2:01 am CDT Sep 5, 2026
Forecast Valid:
10am CDT Sep 5, 2026-6pm CDT Sep 11, 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