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

Hazardous Weather Conditions

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 94%
Wind Speed SW 3 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 21 Jun 3:55 am CDT
Extended Forecast for

Chalmette LA

Heat Advisory June 21, 11:00am until June 21, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 91. Light east wind increasing to 5 to 10 mph in the morning.

    High: 91 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. Southeast wind 5 to 10 mph becoming light after midnight.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers, then showers and thunderstorms likely after 10am. Sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.

    Low: 79 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 90. East wind 5 to 15 mph. Chance of precipitation is 70%.

    High: 90 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph becoming light after midnight.

    Low: 78 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 91. East wind 5 to 10 mph.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 91. Light east wind increasing to 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 79. Southeast wind 5 to 10 mph becoming light after midnight.
Monday
A chance of showers, then showers and thunderstorms likely after 10am. Sunny, with a high near 90. East wind 5 to 10 mph. Chance of precipitation is 70%.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 90. East wind 5 to 15 mph. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph becoming light after midnight.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. East wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. East wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm after midnight.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light east wind becoming southeast 5 to 10 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chalmette LA
 29.94°N 89.98°W
Last Update:
3:51 am CDT Jun 21, 2025
Forecast Valid:
4am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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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