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

90°F

32°C

Humidity 59%
Wind Speed N 5 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 15 Aug 11:53 am CDT
Extended Forecast for

Slidell LA

Extreme Heat Watch August 17, 11:00am until August 17, 08:00pm
Extreme Heat Warning August 16, 11:00am until August 16, 08:00pm
Extreme Heat Warning August 15, 12:10pm until August 15, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 12:10pm until August 15, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 78. South wind around 5 mph becoming west after midnight.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Heat index values as high as 113. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Sunday Night

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

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. West wind around 5 mph.

    High: 97 °F

    Hot

  • Monday Night

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

    Low: 78 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 97. West wind around 5 mph.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78. Calm wind becoming west around 5 mph after midnight.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 111. Calm wind becoming southwest around 5 mph.
Tonight
Mostly clear, with a low around 78. South wind around 5 mph becoming west after midnight.
Sunday
Sunny and hot, with a high near 98. Heat index values as high as 113. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming west after midnight.
Monday
Sunny and hot, with a high near 97. West wind around 5 mph.
Monday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Tuesday
Mostly sunny and hot, with a high near 97. West wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 78. Calm wind becoming west around 5 mph after midnight.
Wednesday
Mostly sunny and hot, with a high near 96. West wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 77. West wind around 5 mph.
Thursday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 96. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 76. Calm wind becoming southwest around 5 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96. West wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Slidell LA
 30.28°N 89.79°W
Last Update:
11:17 am CDT Aug 15, 2026
Forecast Valid:
12pm CDT Aug 15, 2026-6pm CDT Aug 21, 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