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.

Mostly Cloudy

85°F

29°C

Humidity 77%
Wind Speed SE 5 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 18 Jun 5:53 pm CDT
Extended Forecast for

Jefferson LA

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 77. South wind around 5 mph becoming calm after midnight.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 92. Heat index values as high as 105. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 92 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. South wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 92. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%.

    High: 92 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 77. South wind around 5 mph becoming calm after midnight.
Juneteenth
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 92. Heat index values as high as 105. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 92. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 92. East wind 5 to 10 mph.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Showers and thunderstorms likely. Sunny, with a high near 93. Northeast wind 5 to 10 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. East wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson LA
 29.97°N 90.17°W
Last Update:
5:31 pm CDT Jun 18, 2025
Forecast Valid:
6pm CDT Jun 18, 2025-6pm CDT Jun 25, 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