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

Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Thursday

A Moderate Risk (Level 3 of 4) Excessive Rainfall Outlook and Flood Watches have been issued for portions of east Texas into Louisiana Thursday where flash, urban, and riverine flooding is possible. A Slight Risk (Level 2 of 5) for scattered severe thunderstorms has been issued from west Texas to the lower Mississippi Valley Thursday afternoon into Thursday night. Read More >

Hazardous Weather Conditions

Current conditions at

New Orleans, New Orleans International Airport (KMSY)

Lat: 29.99°NLon: 90.25°WElev: 3ft.

Overcast

72°F

22°C

Humidity 94%
Wind Speed E 15 mph
Barometer 29.75 in (1007.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 17 May 2:53 am CDT
Extended Forecast for

Destrehan LA

Flood Watch May 17, 03:46am until May 18, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 17, 03:46am until May 18, 07:00am

    NOW until 7:00am Sat

    Flood Watch

  • Overnight

    Low: 74 °F

    Severe
    Thunderstorms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Some of the storms could be severe. Mostly cloudy, with a high near 87. South wind 10 to 15 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Severe
    Thunderstorms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 72. West wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    Severe
    Thunderstorms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 10am, then showers and thunderstorms likely, mainly between 10am and 1pm. Partly sunny, with a high near 85. Southeast wind 5 to 10 mph becoming northwest in the morning. Chance of precipitation is 60%.

    High: 85 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming north around 5 mph in the morning.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Some of the storms could be severe. Mostly cloudy, with a steady temperature around 74. Southeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Some of the storms could be severe. Mostly cloudy, with a high near 87. South wind 10 to 15 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 72. West wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 10am, then showers and thunderstorms likely, mainly between 10am and 1pm. Partly sunny, with a high near 85. Southeast wind 5 to 10 mph becoming northwest in the morning. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 89. Calm wind becoming north around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 72. Calm wind.
Monday
Sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 72. South wind around 5 mph.
Tuesday
Sunny, with a high near 89. South wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 73. South wind 5 to 10 mph.
Wednesday
Sunny, with a high near 91. South wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 75. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 90. South wind 5 to 10 mph.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Destrehan LA
 29.95°N 90.38°W
Last Update:
3:16 am CDT May 17, 2024
Forecast Valid:
3am CDT May 17, 2024-6pm CDT May 23, 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