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 Naval Air Station - Alvin Callender Field (KNBG)

Lat: 29.84°NLon: 90.02°WElev: 0ft.

Thunderstorm Light Rain

79°F

26°C

Humidity 88%
Wind Speed SE 13 mph
Barometer 29.75 in (1007.5 mb)
Dewpoint 75°F (24°C)
Visibility 7.00 mi
Heat Index83°F (28°C)
Last update 16 May 10:55 pm CDT
Extended Forecast for

Gretna LA

Flood Watch May 17, 12:34am until May 18, 07:00am
Tornado Watch May 17, 12:34am until May 17, 03:00am
Flash Flood Warning until May 17, 02:15am
Click here for hazard details and duration
Flood Watch
Tornado Watch
...
  •  
    Flood Watch May 17, 12:34am until May 18, 07:00am
    Tornado Watch May 17, 12:34am until May 17, 03:00am
    Flash Flood Warning until May 17, 02:15am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 74 °F

    Severe
    Thunderstorms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 88. Southwest wind 10 to 15 mph.

    High: 88 °F

    Severe
    Thunderstorms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 72. South wind 5 to 10 mph. Chance of precipitation is 60%. 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. South wind 5 to 10 mph becoming northwest in the morning. Chance of precipitation is 70%.

    High: 85 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 73. Calm wind.

    Low: 73 °F

    Clear

  • Monday

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

    High: 90 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could be severe and produce heavy rainfall. Low around 74. Southeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 88. Southwest wind 10 to 15 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 72. South wind 5 to 10 mph. Chance of precipitation is 60%. 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. South wind 5 to 10 mph becoming northwest in the morning. Chance of precipitation is 70%.
Saturday Night
Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 73. Calm wind.
Monday
Sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 73. South wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 89. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 74. South wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 90. South wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 75. South wind around 5 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:
Gretna LA
 29.92°N 90.06°W
Last Update:
11:01 pm CDT May 16, 2024
Forecast Valid:
12am CDT May 17, 2024-6pm CDT May 23, 2024
 
Forecast Discussion
 
Get as KML Get as XML

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