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Hazardous Weather Conditions

Current conditions at

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

Lat: 29.84°NLon: 90.02°WElev: 0ft.

Partly Cloudy

90°F

32°C

Humidity 56%
Wind Speed W 5 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 20 Aug 11:55 am CDT
Extended Forecast for

Port Sulphur LA

Heat Advisory August 20, 12:59pm until August 20, 08:00pm
Extreme Heat Warning August 21, 11:00am until August 21, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory August 20, 12:59pm until August 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Sunny

  • Tonight

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

    Low: 80 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 106. Northwest wind around 5 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly between 3am and 4am. Partly cloudy, with a low around 79. West wind around 5 mph.

    Low: 79 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 92. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 92 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 79. West wind around 5 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 92. West wind around 5 mph becoming southeast in the afternoon.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79. West wind around 5 mph.

    Low: 79 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 91. West wind 5 to 10 mph becoming southwest.
Tonight
Partly cloudy, with a low around 80. West wind 5 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 106. Northwest wind around 5 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly between 3am and 4am. Partly cloudy, with a low around 79. West wind around 5 mph.
Saturday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 92. Northwest wind around 5 mph becoming southwest in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 79. West wind around 5 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 92. West wind around 5 mph becoming southeast in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79. West wind around 5 mph.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming west around 5 mph in the morning.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 79. Southwest wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Sulphur LA
 29.48°N 89.69°W
Last Update:
11:22 am CDT Aug 20, 2026
Forecast Valid:
12pm CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

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Chance of Precipitation