National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

New Orleans, New Orleans International Airport (KMSY)

Lat: 29.99°NLon: 90.25°WElev: 3ft.

A Few Clouds

96°F

36°C

Humidity 41%
Wind Speed W 8 mph
Barometer 30.12 in (1020.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 15 Aug 3:53 pm CDT
Extended Forecast for

Destrehan LA

Extreme Heat Watch August 17, 11:00am until August 17, 08:00pm
Extreme Heat Warning August 16, 11:00am until August 16, 08:00pm
Extreme Heat Warning August 15, 04:10pm until August 15, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning
...
  •  
    Extreme Heat Warning August 15, 04:10pm until August 15, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 111. Calm wind becoming northwest around 5 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Heat index values as high as 111. West wind around 5 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. Southwest wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 96. West wind around 5 mph.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 79. West wind around 5 mph.

    Low: 79 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 96. West wind around 5 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 78. South wind around 5 mph becoming west after midnight.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 111. Calm wind becoming northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 79. South wind around 5 mph.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 111. West wind around 5 mph.
Monday Night
Mostly clear, with a low around 79. Southwest wind around 5 mph.
Tuesday
Mostly sunny and hot, with a high near 96. West wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 79. West wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 96. West wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 78. Southwest wind around 5 mph.
Thursday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 96. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Friday
A chance of showers and thunderstorms. Sunny and hot, with a high near 97. West wind around 5 mph.
Friday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Saturday
A chance of showers and thunderstorms. Sunny and hot, with a high near 95. West wind around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Destrehan LA
 29.95°N 90.38°W
Last Update:
2:02 pm CDT Aug 15, 2026
Forecast Valid:
4pm CDT Aug 15, 2026-6pm CDT Aug 22, 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