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Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Current conditions at

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

Lat: 29.84°NLon: 90.02°WElev: 0ft.

A Few Clouds

79°F

26°C

Humidity 94%
Wind Speed SW 3 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 21 Jun 5:55 am CDT
Extended Forecast for

Gretna LA

  • Today

    Today: A 20 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph.

    High: 89 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 92. Heat index values as high as 106. Southwest wind 5 to 10 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Southwest wind around 5 mph.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78. Southwest wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West wind around 5 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 78. Southwest wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West wind around 5 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 80. South wind 5 to 10 mph.
Monday
Sunny, with a high near 92. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 80. South wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Southwest wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Saturday
Sunny, with a high near 92. Light south wind increasing to 5 to 10 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gretna LA
 29.92°N 90.06°W
Last Update:
5:11 am CDT Jun 21, 2026
Forecast Valid:
6am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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