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

Severe Thunderstorms in the Southeast U.S. Saturday; Flash Flooding Threat for the Northern Gulf Coast

Isolated to scattered severe thunderstorms appear possible across portions of the Southeast and Carolinas on Saturday where a Slight Risk (Level 2 of 5) has been issued. A Slight Risk Excessive Rainfall Outlook (Level 2 of 4) has been issued for part of the northern Gulf Coast Saturday due to the threat of flash, urban, and riverine flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Rain

72°F

22°C

Humidity 91%
Wind Speed S 6 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 69°F (21°C)
Visibility 8.00 mi
Last update 18 May 4:53 am CDT
Extended Forecast for

Mandeville LA

Flood Watch May 18, 05:51am until May 18, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 18, 05:51am until May 18, 12:00pm

    NOW until 12:00pm Sat

    Flood Watch

  • Overnight

    Low: 71 °F

    Severe
    Thunderstorms

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 9am. Some of the storms could be severe. High near 84. Southwest wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Severe
    Thunderstorms
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Calm wind becoming northwest around 5 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 88 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could be severe. Steady temperature around 71. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms, mainly before 9am. Some of the storms could be severe. High near 84. Southwest wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly clear, with a low around 69. Calm wind.
Sunday
Sunny, with a high near 90. Calm wind becoming northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 70. Calm wind.
Monday
Sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Clear, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. Light southeast wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 72. South wind 5 to 10 mph.
Wednesday
Sunny, with a high near 89. South wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 72. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 89. South wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 73. South wind around 5 mph.
Friday
Mostly sunny, with a high near 89. South wind 5 to 10 mph.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Mandeville LA
 30.38°N 90.07°W
Last Update:
3:52 am CDT May 18, 2024
Forecast Valid:
5am CDT May 18, 2024-6pm CDT May 24, 2024
 
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