Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Hazardous Weather Conditions

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34° N Lon: 89.82° W Elev: 30 ft.

Fair

82°F

28°C

Humidity 85%
Wind Speed Calm
Barometer 30.11 in (1019.5 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 23 Jun 9:53 pm CDT
Detailed forecast for

Southwestern St. Tammany

Tonight
Partly cloudy. Lows in the mid 70s. West winds around 5 mph. Heat index values up to 106 early this evening.
Wednesday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. West winds around 5 mph. Chance of rain 30 percent. Heat index values up to 107.
Wednesday Night
Partly cloudy. Humid with lows in the mid 70s. Southeast winds around 5 mph, becoming southwest after midnight.
Thursday
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. West winds around 5 mph, becoming southwest around 5 mph in the afternoon. Chance of rain 20 percent. Heat index values up to 106.
Thursday Night
Mostly clear. Lows in the upper 70s. South winds around 5 mph.
Friday And Friday Night
Mostly clear. Highs in the lower 90s. Lows in the mid 70s. Heat index values up to 105.
Saturday
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105.
Saturday Night Through Monday Night
Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110.
Tuesday
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110.



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641 PM CDT Tue Jun 23 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database