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

81°F

27°C

Humidity 82%
Wind Speed Calm
Barometer 30.08 in (1018.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 20 Jun 9:53 pm CDT
Extended Forecast for

Mandeville LA

Heat Advisory June 21, 11:00am until June 21, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

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

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Increasing clouds, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Heat index values as high as 105. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

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

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 91. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 50%.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 76. South wind around 5 mph becoming calm.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Increasing clouds, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Heat index values as high as 105. Light east wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Monday
A chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 91. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 50%.
Monday Night
Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light and variable wind becoming southeast 5 to 10 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mandeville LA
 30.38°N 90.07°W
Last Update:
8:20 pm CDT Jun 20, 2025
Forecast Valid:
10pm CDT Jun 20, 2025-6pm CDT Jun 27, 2025
 
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