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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 30.28°N 89.79°W (Text-Only)
NWS Forecast for: Slidell LA
Issued by: National Weather Service New Orleans/Baton Rouge, LA
Last Update: 2:02 pm CDT Jun 29, 2026		Print

  • Tonight

    Tonight: Clear, with a low around 77. Calm wind.

    Low: 77 °F

    Clear


  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 110. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 93 °F

    Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear


  • Thursday

    Thursday: Sunny, with a high near 93. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny


  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear


  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear


    • Tonight: Clear, with a low around 77. Calm wind.

    Tuesday: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 110. Calm wind becoming southwest around 5 mph in the afternoon.

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 77. Calm wind.

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming southeast around 5 mph in the afternoon.

    Wednesday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Thursday: Sunny, with a high near 93. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    Thursday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.

    Friday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm.

    Independence Day: A chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.

    Saturday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 77. South wind around 5 mph becoming calm.

    Sunday: A chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.


    Slidell LA
     30.28°N 89.79°W

    Visit your local NWS office at: https://www.weather.gov/lix