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

85°F

29°C

Humidity 80%
Wind Speed Vrbl 5 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 30 Jul 8:53 am CDT
Extended Forecast for

3 Miles E Mandeville LA

Heat Advisory July 30, 11:00am until July 30, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 112. Southwest wind around 5 mph.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 78. Southwest wind around 5 mph becoming northwest in the evening.

    Low: 78 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 109. Southwest wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 77. Southwest wind 5 to 10 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. West wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 77. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 77 °F

    Partly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. West wind around 10 mph. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 91 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 112. Southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 78. Southwest wind around 5 mph becoming northwest in the evening.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 109. Southwest wind 5 to 10 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 77. Southwest wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. West wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 77. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. West wind around 10 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Northwest wind around 5 mph becoming southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 76. South wind around 5 mph becoming calm.
Wednesday
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:
3 Miles E Mandeville LA
 30.38°N 90.04°W
Last Update:
8:27 am CDT Jul 30, 2026
Forecast Valid:
9am CDT Jul 30, 2026-6pm CDT Aug 5, 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