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

87°F

31°C

Humidity 67%
Wind Speed SW 5 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 4 Jul 7:53 pm CDT
Extended Forecast for

Slidell LA

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly between 2pm and 4pm. Increasing clouds, with a high near 94. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. West wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 93 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. West wind around 5 mph becoming calm.

    Low: 77 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 94. West wind around 5 mph. Chance of precipitation is 60%.

    High: 94 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. West wind around 5 mph.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 78. Southwest wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. Calm wind.
Sunday
Showers and thunderstorms likely, mainly between 2pm and 4pm. Increasing clouds, with a high near 94. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. West wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. West wind around 5 mph becoming calm.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 94. West wind around 5 mph. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. West wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Thursday
A slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 96. West wind around 5 mph.
Thursday Night
Mostly clear, with a low around 78. Southwest wind around 5 mph.
Friday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 96. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 79. South wind around 5 mph becoming calm after midnight.
Saturday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 96. Calm wind becoming south around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Slidell LA
 30.28°N 89.76°W
Last Update:
2:02 pm CDT Jul 4, 2026
Forecast Valid:
8pm CDT Jul 4, 2026-6pm CDT Jul 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