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

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.01 in (1016.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 26 Aug 6:53 am CDT
Extended Forecast for

Slidell LA

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 90. Heat index values as high as 105. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 91. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.

    High: 91 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 75. Calm wind.
Thursday
Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 90. Heat index values as high as 105. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 91. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 73. Calm wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A slight chance of showers. Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind becoming southeast 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:
5:20 am CDT Aug 26, 2026
Forecast Valid:
7am CDT Aug 26, 2026-6pm CDT Sep 1, 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