National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Humidity Building from the Plains to the East Coast

A strengthening ridge of high pressure will produce much above average temperatures from the Plains to the East Coast, a true summer heat wave. Highs in the 90s and triple digits combined w/ humidity and dewpoints surging into the upper 70s, if not low 80s, will create heat indices as high as 110 to 115 through this weekend. Air quality will likely be poor due to haze and little air circulation. Read More >

Hazardous Weather Conditions

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Fair

75°F

24°C

Humidity 88%
Wind Speed Calm
Barometer 30.08 in (1018.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 18 Jul 5:53 am CDT
Extended Forecast for

Mandeville LA

  • Today

    Today: A slight chance of showers and thunderstorms between 7am and 1pm, then isolated showers after 1pm. Sunny, with a high near 90. West wind around 5 mph becoming south in the afternoon. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 90 °F

  • Tonight

    Tonight: Mostly clear, then becoming cloudy toward daybreak, with a low around 75. South wind around 5 mph.

    Becoming
    Cloudy

    Low: 75 °F

  • Friday

    Friday: Isolated showers, then scattered showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.

    Scattered
    Showers

    High: 89 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 76. Southwest wind around 5 mph.

    Mostly Cloudy

    Low: 76 °F

  • Saturday

    Saturday: Scattered showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%.

    Scattered
    Showers

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 75. South wind around 5 mph. Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 75 °F

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    Showers
    Likely then
    T-storms
    Likely

    High: 87 °F

  • Sunday
    Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 74 °F

  • Monday

    Monday: Scattered showers and thunderstorms. Mostly sunny, with a high near 87. West wind around 5 mph.

    Scattered
    T-storms

    High: 87 °F

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 7am and 1pm, then isolated showers after 1pm. Sunny, with a high near 90. West wind around 5 mph becoming south in the afternoon. Chance of precipitation is 20%.
Tonight
Mostly clear, then becoming cloudy toward daybreak, with a low around 75. South wind around 5 mph.
Friday
Isolated showers, then scattered showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 76. Southwest wind around 5 mph.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 75. South wind around 5 mph. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 20%.
Monday
Scattered showers and thunderstorms. Mostly sunny, with a high near 87. West wind around 5 mph.
Monday Night
Scattered showers. Mostly cloudy, with a low around 74. Southwest wind around 5 mph.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Northwest wind around 5 mph.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 72. North wind around 5 mph.
Wednesday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 85. North wind around 5 mph.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Mandeville LA
 30.38°N 90.07°W
Last Update:
6:18 am CDT Jul 18, 2019
Forecast Valid:
6am CDT Jul 18, 2019-6pm CDT Jul 24, 2019
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation