Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

A Few Clouds

74°F

23°C

Humidity 97%
Wind Speed Calm
Barometer 29.92 in (1013.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 21 Jun 3:53 am CDT
Extended Forecast for

Slidell LA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a steady temperature around 78. South wind around 5 mph.

    Low: 78 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 7am.  Partly sunny, with a high near 91. Southwest wind 5 to 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 94. Heat index values as high as 107. Southwest wind 5 to 10 mph.

    High: 94 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95. 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.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. West wind around 5 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. Calm wind becoming west around 5 mph.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 78. South wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 91. Southwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 78. South wind 5 to 10 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 94. Heat index values as high as 107. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 77. South wind around 5 mph.
Tuesday
Mostly sunny and hot, with a high near 95. West wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 76. West wind around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. West wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 75. Calm wind becoming west around 5 mph.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 75. South wind around 5 mph becoming calm.
Friday
Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 93. Light south wind increasing to 5 to 10 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Slidell LA
 30.3°N 89.78°W
2:02 am CDT Jun 21, 2026
4am CDT Jun 21, 2026-6pm CDT Jun 27, 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