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.

Overcast

76°F

24°C

Humidity 94%
Wind Speed E 7 mph
Barometer 29.95 in (1014.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 3 Oct 7:53 pm CDT
Extended Forecast for

Hahnville LA

Flood Watch October 3, 07:57pm until October 5, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch October 3, 07:57pm until October 5, 12:00am

    NOW until 12:00am Mon

    Flood Watch

  • Tonight

    Low: 73 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 81. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 73. North wind around 5 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northeast wind around 10 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 72. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northeast wind around 10 mph. Chance of precipitation is 40%.

    High: 82 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Northeast wind around 15 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm, mainly after 10pm. Low around 73. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 81. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 73. North wind around 5 mph. Chance of precipitation is 40%.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northeast wind around 10 mph.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 72. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northeast wind around 10 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Northeast wind around 15 mph.
Wednesday Night
Partly cloudy, with a low around 69. Northeast wind around 10 mph.
Thursday
A slight chance of showers after 1pm. Mostly sunny, with a high near 82. Northeast wind around 15 mph.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 69. Northeast wind around 10 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Northeast wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Northeast wind 10 to 15 mph.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 82. Northeast wind around 15 mph, with gusts as high as 25 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hahnville LA
 29.95°N 90.4°W
Last Update:
5:21 pm CDT Oct 3, 2026
Forecast Valid:
7pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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