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.

Mostly Cloudy

92°F

33°C

Humidity 64%
Wind Speed NW 6 mph
Barometer 30.12 in (1020.2 mb)
Dewpoint 78°F (26°C)
Visibility 8.00 mi
Heat Index108°F (42°C)
Last update 20 Jun 11:53 am CDT
Extended Forecast for

Hahnville LA

Heat Advisory until June 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 20, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Sunny, with a high near 92. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 70%.

    High: 92 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 91. East wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 91 °F

    Chance
    T-storms then
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a steady temperature around 90. Heat index values as high as 105. Calm wind becoming west around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Sunny, with a high near 92. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 91. East wind 5 to 10 mph. Chance of precipitation is 80%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. East wind 5 to 10 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. East wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Light east wind increasing to 5 to 10 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hahnville LA
 29.95°N 90.4°W
Last Update:
7:46 am CDT Jun 20, 2025
Forecast Valid:
12pm CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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