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

85°F

29°C

Humidity 82%
Wind Speed W 7 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 31 Jul 8:55 am CDT
Extended Forecast for

Harvey LA

Heat Advisory July 31, 11:00am until July 31, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 95. Heat index values as high as 110. Southwest wind around 10 mph.

    High: 95 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 80. Southwest wind 5 to 10 mph.

    Low: 80 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 95. Heat index values as high as 109. West wind 10 to 15 mph.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 80. Southwest wind 10 to 15 mph. Chance of precipitation is 60%.

    Low: 80 °F

    Partly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 92. West wind around 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Chance
    T-storms

  • Sunday Night

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

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. West wind around 5 mph.

    High: 93 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 79. Southwest wind around 5 mph.

    Low: 79 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. West wind around 5 mph becoming south in the afternoon.

    High: 93 °F

    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 95. Heat index values as high as 110. Southwest wind around 10 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 80. Southwest wind 5 to 10 mph.
Saturday
Mostly sunny and hot, with a high near 95. Heat index values as high as 109. West wind 10 to 15 mph.
Saturday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 80. Southwest wind 10 to 15 mph. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 92. West wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. West wind around 5 mph.
Monday Night
Partly cloudy, with a low around 79. Southwest wind around 5 mph.
Tuesday
A chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. West wind around 5 mph becoming south in the afternoon.
Tuesday Night
Partly cloudy, with a low around 79. South wind around 5 mph becoming calm after midnight.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harvey LA
 29.88°N 90.07°W
Last Update:
4:56 am CDT Jul 31, 2026
Forecast Valid:
9am CDT Jul 31, 2026-6pm CDT Aug 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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