Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Fair

76°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.14 in (1020.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 22 Jun 9:53 pm CDT
Extended Forecast for

2 Miles NNW Mandeville LA

  • Tonight

    Tonight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Sunny, with a high near 92. Heat index values as high as 106. Northeast wind 5 to 10 mph becoming south in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Sunny, with a high near 93. Heat index values as high as 105. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 93 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Calm wind becoming east around 5 mph in the morning.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm.

    Low: 74 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. Heat index values as high as 106. Northeast wind 5 to 10 mph becoming south in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. Heat index values as high as 105. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 95. Calm wind becoming east around 5 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Light west wind becoming southwest 5 to 10 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Mandeville LA
 30.4°N 90.1°W
7:31 pm CDT Jun 22, 2025
10pm CDT Jun 22, 2025-6pm CDT Jun 29, 2025
 
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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