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.

Mostly Cloudy

91°F

33°C

Humidity 59%
Wind Speed SW 7 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 29 Jul 5:55 pm CDT
Extended Forecast for

Harvey LA

Heat Advisory July 30, 11:00am until July 30, 07:00pm
Extreme Heat Warning July 29, 06:10pm until July 29, 08:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Extreme Heat Warning July 29, 06:10pm until July 29, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 81 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 110. West wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80. Southwest wind around 5 mph.

    Low: 80 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 93. Heat index values as high as 106. West wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 79. Southwest wind 5 to 10 mph.

    Low: 79 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. West wind around 10 mph.

    High: 93 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 78. Southwest wind around 10 mph. Chance of precipitation is 60%.

    Low: 78 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 89. West wind around 10 mph. Chance of precipitation is 80%.

    High: 89 °F

    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 81. West wind 5 to 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 110. West wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80. Southwest wind around 5 mph.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 93. Heat index values as high as 106. West wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 79. Southwest wind 5 to 10 mph.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. West wind around 10 mph.
Saturday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 78. Southwest wind around 10 mph. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 89. West wind around 10 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 76. Southwest wind around 5 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. West wind around 5 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. 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:
Harvey LA
 29.88°N 90.07°W
Last Update:
5:16 pm CDT Jul 29, 2026
Forecast Valid:
6pm CDT Jul 29, 2026-6pm CDT Aug 5, 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