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

New Orleans Naval Air Station - Alvin Callender Field (KNBG)

Lat: 29.84°NLon: 90.02°WElev: 0ft.

Mostly Cloudy

82°F

28°C

Humidity 82%
Wind Speed N 6 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 4 Sep 9:55 am CDT
Extended Forecast for

Gretna LA

  • Today

    Today: Showers and thunderstorms, mainly before 3pm. High near 88. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Showers then
    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. High near 88. Calm wind becoming northwest around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Calm wind. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm.

    Low: 77 °F

    Mostly Clear

  • Labor Day

    Labor Day: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Northwest wind around 5 mph becoming east in the afternoon.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm.

    Low: 78 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.

    High: 90 °F

    T-storms
    Likely

Detailed Forecast

Today
Showers and thunderstorms, mainly before 3pm. High near 88. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. High near 88. Calm wind becoming northwest around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Calm wind. Chance of precipitation is 30%.
Sunday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm.
Labor Day
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Northwest wind around 5 mph becoming east in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Calm wind becoming east around 5 mph in the morning.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming north around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Gretna LA
 29.92°N 90.06°W
Last Update:
2:31 am CDT Sep 4, 2026
Forecast Valid:
10am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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