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

75°F

24°C

Humidity 94%
Wind Speed SW 5 mph
Barometer 30.07 in (1018.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 8 Jul 4:53 am CDT
Extended Forecast for

Jefferson LA

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Increasing clouds, with a high near 94. Heat index values as high as 107. West wind around 5 mph becoming north in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 79. Southwest wind around 5 mph.

    Low: 79 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Light southwest wind becoming south 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. South wind around 5 mph becoming calm after midnight.

    Low: 79 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 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 after midnight.

    Low: 80 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 93 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    T-storms
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Increasing clouds, with a high near 94. Heat index values as high as 107. West wind around 5 mph becoming north in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 79. Southwest wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. South wind around 5 mph becoming calm after midnight.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 80. South wind around 5 mph becoming calm after midnight.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. South wind around 5 mph becoming calm in the evening.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 89. West wind around 5 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. West wind around 5 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Northwest wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson LA
 29.97°N 90.14°W
Last Update:
2:01 am CDT Jul 8, 2026
Forecast Valid:
5am CDT Jul 8, 2026-6pm CDT Jul 14, 2026
 
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Additional Resources

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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