Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Slidell, Slidell Airport (KASD)

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

Fair

84°F

29°C

Humidity 77%
Wind Speed Vrbl 5 mph
Barometer 30.11 in (1019.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 30 Jun 8:53 am CDT
Detailed forecast for

Southwestern St. Tammany

Today
Sunny. Highs in the upper 90s. Northwest winds around 5 mph, becoming southwest this afternoon. Heat index values up to 111.
Tonight
Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the upper 70s. East winds around 5 mph, becoming northwest after midnight. Chance of rain 30 percent. Heat index values up to 106 early in the evening.
Wednesday
Mostly sunny. A slight chance of showers and thunderstorms in the morning, then thunderstorms likely with a chance of showers in the afternoon. Humid with highs in the mid 90s. North winds around 5 mph, becoming southeast in the afternoon. Chance of rain 60 percent. Heat index values up to 111.
Wednesday Night
Partly cloudy in the evening, then clearing. Humid with lows in the upper 70s. East winds around 5 mph. Heat index values up to 106 early in the evening.
Thursday
Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. East winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 109.
Thursday Night
Mostly clear. Lows in the upper 70s.
Friday
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.
Friday Night
Mostly clear. Lows in the upper 70s.
Independence Day
Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110.
Saturday Night
Partly cloudy in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.
Sunday
Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 60 percent. Heat index values up to 110.
Sunday Night
Partly cloudy in the evening, then clearing. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 70s. Chance of rain 50 percent.
Monday
Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 60 percent. Heat index values up to 105.



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836 AM CDT Tue Jun 30 2026
 
 

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