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

80°F

27°C

Humidity 90%
Wind Speed W 3 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 29 Jul 1:55 am CDT
Extended Forecast for

Harvey LA

Extreme Heat Warning July 29, 11:00am until July 29, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 83. West wind 5 to 10 mph.

    Low: 83 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds and hot, with a high near 97. Heat index values as high as 113. West wind 5 to 10 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 81. West wind 5 to 10 mph.

    Low: 81 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. 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 Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 80. West wind around 5 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. West wind 5 to 10 mph.

    High: 94 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

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

    Low: 80 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. West wind around 10 mph.

    High: 93 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southwest wind around 10 mph.

    Low: 79 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 83. West wind 5 to 10 mph.
Wednesday
Increasing clouds and hot, with a high near 97. Heat index values as high as 113. West wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 81. West wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. 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 chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 80. West wind around 5 mph. Chance of precipitation is 30%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. West wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 80. Southwest wind 5 to 10 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. West wind around 10 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southwest wind around 10 mph.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 91. West wind around 10 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind around 5 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 78. South wind around 5 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph.
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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:
1:57 am CDT Jul 29, 2026
Forecast Valid:
2am CDT Jul 29, 2026-6pm CDT Aug 4, 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