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

82°F

28°C

Humidity 85%
Wind Speed SW 5 mph
Barometer 30.12 in (1020.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 15 Aug 11:53 pm CDT
Extended Forecast for

Harahan LASimilar City Names

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

  • Overnight

    Overnight: Clear, with a steady temperature around 82. Southwest wind around 5 mph.

    Low: 82 °F

    Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 1pm and 4pm. Sunny and hot, with a high near 96. Heat index values as high as 110. West wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 80. South wind around 5 mph becoming west after midnight.

    Low: 80 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny and hot, with a high near 96. Heat index values as high as 112. West wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 80. Southwest wind around 5 mph.

    Low: 80 °F

    Partly Cloudy

  • 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

  • Wednesday Night

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

    Low: 79 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a steady temperature around 82. Southwest wind around 5 mph.
Sunday
A slight chance of showers and thunderstorms between 1pm and 4pm. Sunny and hot, with a high near 96. Heat index values as high as 110. West wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 80. South wind around 5 mph becoming west after midnight.
Monday
A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny and hot, with a high near 96. Heat index values as high as 112. West wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 80. 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
Partly cloudy, with a low around 79. Southwest wind around 5 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 79. Southwest wind around 5 mph.
Friday
A chance of showers and thunderstorms. Sunny and hot, with a high near 95. West wind around 5 mph.
Friday Night
Partly cloudy, with a low around 79. 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:
Harahan LASimilar City Names
 29.95°N 90.19°W
Last Update:
11:16 pm CDT Aug 15, 2026
Forecast Valid:
12am CDT Aug 16, 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