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.

Fair

76°F

24°C

Humidity 97%
Wind Speed Calm
Barometer 29.99 in (1015.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 2 Sep 2:55 am CDT
Extended Forecast for

Gretna LA

  • Overnight

    Overnight: Partly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming southeast around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

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

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming northeast around 5 mph in the morning.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 90. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 80%.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Friday Night

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

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 91. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 91 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming southeast around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming northeast around 5 mph in the morning.
Thursday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm. Chance of precipitation is 40%.
Friday
Showers and possibly a thunderstorm. High near 90. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 77. Calm wind. Chance of precipitation is 30%.
Saturday
Showers and possibly a thunderstorm. High near 91. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 77. Calm wind.
Sunday
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming north around 5 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Calm wind.
Labor Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming northeast around 5 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gretna LA
 29.9°N 90.06°W
Last Update:
2:02 am CDT Sep 2, 2026
Forecast Valid:
3am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

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Chance of Precipitation