National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Fair

92°F

33°C

Humidity 56%
Wind Speed Vrbl 3 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 22 Aug 12:53 pm CDT
Extended Forecast for

Slidell LA

Heat Advisory August 23, 11:00am until August 23, 08:00pm
Heat Advisory August 22, 01:05pm until August 22, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 22, 01:05pm until August 22, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 78. Calm wind.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms between 3pm and 5pm. Some of the storms could produce heavy rainfall. Sunny and hot, with a high near 99. Heat index values as high as 110. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 99 °F

    Sunny then
    Heavy Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms, mainly between 8pm and 9pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 79. Southwest wind around 5 mph becoming calm.

    Low: 79 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny and hot, with a high near 95. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 40%.

    High: 95 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. South wind around 5 mph becoming southwest after midnight.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. Heat index values as high as 112. West wind around 5 mph.
Tonight
Mostly clear, with a low around 78. Calm wind.
Sunday
A chance of showers and thunderstorms between 3pm and 5pm. Some of the storms could produce heavy rainfall. Sunny and hot, with a high near 99. Heat index values as high as 110. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of showers and thunderstorms, mainly between 8pm and 9pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 79. Southwest wind around 5 mph becoming calm.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny and hot, with a high near 95. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 78. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming southwest after midnight.
Wednesday
A chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95. West wind around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South wind around 5 mph.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. West wind around 5 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Slidell LA
 30.25°N 89.79°W
Last Update:
11:37 am CDT Aug 22, 2026
Forecast Valid:
1pm CDT Aug 22, 2026-6pm CDT Aug 28, 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