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

New Orleans, New Orleans International Airport (KMSY)

Lat: 29.99°NLon: 90.25°WElev: 3ft.

A Few Clouds

79°F

26°C

Humidity 90%
Wind Speed W 3 mph
Barometer 30.08 in (1018.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 9 Jul 6:53 am CDT
Extended Forecast for

Jefferson LA

  • Today

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

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly between noon and 4pm. Increasing clouds, with a high near 93. Heat index values as high as 106. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 93 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 80. South wind around 5 mph becoming calm in the evening.

    Low: 80 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 92 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 90. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 90%.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southwest wind around 5 mph.

    Low: 77 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. West wind around 5 mph.

    High: 87 °F

    Showers then
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 93. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms, mainly between noon and 4pm. Increasing clouds, with a high near 93. Heat index values as high as 106. Light south wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 80. South wind around 5 mph becoming calm in the evening.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.
Sunday
Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 90. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 90%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southwest wind around 5 mph.
Monday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. West wind around 5 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. West wind around 5 mph.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. West wind around 5 mph becoming east in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson LA
 29.97°N 90.19°W
Last Update:
5:16 am CDT Jul 9, 2026
Forecast Valid:
7am CDT Jul 9, 2026-6pm CDT Jul 15, 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