National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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 61%
Wind Speed E 5 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 14 Sep 12:55 pm CDT
Extended Forecast for

Harvey LA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a steady temperature around 90. Heat index values as high as 108. North wind around 5 mph becoming calm.

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 78. Calm wind.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 1pm and 2pm. Sunny, with a high near 93. Heat index values as high as 107. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79. Southeast wind around 5 mph becoming calm.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Breezy, with an east wind 10 to 20 mph. Chance of precipitation is 70%.

    High: 89 °F

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. East wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. East wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 89. Northeast wind 10 to 15 mph.

    High: 89 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a steady temperature around 90. Heat index values as high as 108. North wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 78. Calm wind.
Tuesday
A slight chance of showers and thunderstorms between 1pm and 2pm. Sunny, with a high near 93. Heat index values as high as 107. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 79. Southeast wind around 5 mph becoming calm.
Wednesday
Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Breezy, with an east wind 10 to 20 mph. Chance of precipitation is 70%.
Wednesday Night
Mostly clear, with a low around 78. East wind 5 to 10 mph.
Thursday
Sunny, with a high near 89. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 75. East wind around 5 mph becoming calm.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 89. Northeast wind 10 to 15 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 76. East wind around 5 mph becoming calm in the evening.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 88. East wind 5 to 10 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. East wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Harvey LA
 29.88°N 90.07°W
Last Update:
1:27 pm CDT Sep 14, 2026
Forecast Valid:
1pm CDT Sep 14, 2026-6pm CDT Sep 20, 2026
 
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Additional Resources

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Chance of Precipitation