Severe Weather and Heavy Rain from the Mid-South to the Mid-Atlantic; Building Heat in the West

Severe thunderstorms may bring damaging winds, a couple of tornadoes, and heavy rain across portions of the Mid-Atlantic into the Mid-South. Severe storms may produce hail across the northern/central High Plains. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Fire weather concerns continue for Interior Alaska and the Four Corners region. Read More >

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Fair

89°F

32°C

Humidity 63%
Wind Speed Vrbl 7 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 22 Jun 3:53 pm CDT
Extended Forecast for

Slidell LA

Heat Advisory June 23, 10:00am until June 23, 08:00pm
Heat Advisory June 22, 04:09pm until June 22, 08:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory June 22, 04:09pm until June 22, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 77 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95. Heat index values as high as 106. West wind around 5 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76. West wind around 5 mph becoming calm.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94. Heat index values as high as 105. West wind around 5 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. Calm wind becoming west around 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 94. Calm wind becoming west around 5 mph in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 77. Southwest wind 5 to 10 mph.
Tuesday
Mostly sunny and hot, with a high near 95. Heat index values as high as 106. West wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 76. West wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 105. West wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 76. Calm wind becoming west around 5 mph.
Thursday
Mostly sunny, with a high near 94. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm.
Friday
Sunny, with a high near 93. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 77. South wind around 5 mph.
Saturday
Sunny, with a high near 93. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 77. South wind around 5 mph.
Sunday
Sunny, with a high near 94. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming calm after midnight.
Monday
Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Slidell LA
 30.28°N 89.79°W
2:02 pm CDT Jun 22, 2026
4pm CDT Jun 22, 2026-6pm CDT Jun 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database