Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Thunderstorm in Vicinity and Breezy

84°F

29°C

Humidity	67%
Wind Speed	S 22 G 38 mph
Barometer	29.94 in (1013.8 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	30 Jul 3:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Mandeville LA

Heat Advisory July 31, 11:00am until July 31, 07:00pm

Heat Advisory July 30, 04:14pm until July 30, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 30, 04:14pm until July 30, 07:00pm
NOW until 7:00pm Wed
Heat Advisory
This Afternoon
High: 94 °F
Chance
T-storms
Tonight
Low: 77 °F
T-storms
Likely then
Mostly Clear
Thursday
High: 94 °F
Slight Chance
T-storms then
T-storms
Likely
Thursday Night
Low: 78 °F
Chance
T-storms
Friday
High: 95 °F
Slight Chance
T-storms then
T-storms
Likely
Friday Night
Low: 76 °F
Chance
T-storms
Saturday
High: 94 °F
Slight Chance
T-storms then
T-storms
Likely
Saturday Night
Low: 76 °F
Chance
T-storms

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. Heat index values as high as 109. Southwest wind around 5 mph.

Tonight

Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and thunderstorms likely, mainly between 2pm and 4pm. Mostly sunny, with a high near 94. Heat index values as high as 111. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly clear, with a low around 78. Southwest wind around 5 mph.

Friday

Showers and thunderstorms likely, mainly after 1pm. Sunny and hot, with a high near 95. West wind around 5 mph. Chance of precipitation is 70%.

Friday Night

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming northwest after midnight.

Saturday

A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 94. North wind around 5 mph. Chance of precipitation is 70%.

Saturday Night

A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Northwest wind around 5 mph becoming calm.

Sunday

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. North wind around 5 mph becoming west in the afternoon.

Sunday Night

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind.

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northeast wind around 5 mph becoming southeast in the afternoon.

Monday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm.

Tuesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.