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

Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity this afternoon and evening. Additional strong to severe storms are expected across the upper Ohio Valley and Lower Great Lakes area. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Tuesday. Read More >

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Partly Cloudy

88°F

31°C

Humidity 57%
Wind Speed SW 3 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 14 Jun 10:53 am CDT
Extended Forecast for

Mandeville LA

  • Today

    Today: Mostly sunny and hot, with a high near 95. Heat index values as high as 107. Southwest wind around 5 mph.

    High: 95 °F

    Hot

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 3am and 5am. Increasing clouds, with a low around 78. Southwest wind around 5 mph.

    Low: 78 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 89. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 76. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 50%.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 84 °F

    Showers then
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 76. Southwest wind around 5 mph.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. South wind 5 to 15 mph. Chance of precipitation is 70%.

    High: 88 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 80. South wind around 15 mph.

    Low: 80 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    T-storms
    Likely

Detailed Forecast

Today
Mostly sunny and hot, with a high near 95. Heat index values as high as 107. Southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 3am and 5am. Increasing clouds, with a low around 78. Southwest wind around 5 mph.
Monday
Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 89. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 76. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 50%.
Tuesday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 76. Southwest wind around 5 mph.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. South wind 5 to 15 mph. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 80. South wind around 15 mph.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 80. South wind 10 to 15 mph.
Juneteenth
A chance of showers and thunderstorms. Partly sunny, with a high near 91. South wind around 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. South wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mandeville LA
 30.38°N 90.07°W
Last Update:
2:02 am CDT Jun 14, 2026
Forecast Valid:
11am CDT Jun 14, 2026-6pm CDT Jun 20, 2026
 
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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