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

77°F

25°C

Humidity 79%
Wind Speed SE 10 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 May 12:55 am CDT
Extended Forecast for

Gretna LA

  • Overnight

    Overnight: Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Southeast wind 10 to 15 mph.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 85. Southeast wind 5 to 10 mph.

    High: 85 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph becoming light after midnight.

    Low: 75 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. East wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Light east wind becoming southeast 5 to 10 mph in the afternoon.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Southeast wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 85. Southeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph becoming light after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. East wind 5 to 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Light east wind becoming southeast 5 to 10 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South wind around 5 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. South wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southeast wind around 5 mph.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Southeast wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Gretna LA
 29.92°N 90.06°W
Last Update:
12:21 am CDT May 18, 2026
Forecast Valid:
1am CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation