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.

Partly Cloudy

88°F

31°C

Humidity 63%
Wind Speed SE 10 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 18 Jun 1:53 pm CDT
Extended Forecast for

Jefferson LA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind around 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 77. South wind around 5 mph.

    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. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °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 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • 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. Southwest 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 91. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 91 °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 91. Light east wind increasing to 5 to 10 mph in the morning.

    High: 91 °F

    Slight Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind around 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 77. South wind around 5 mph.
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. Mostly sunny, with a high near 91. Calm wind becoming southwest 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 76. South 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. Southwest 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 91. 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 91. Light east wind increasing to 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Monday
Showers and thunderstorms likely. Sunny, with a high near 91. 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 92. Northeast wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson LA
 29.95°N 90.19°W
Last Update:
1:51 pm CDT Jun 18, 2025
Forecast Valid:
2pm CDT Jun 18, 2025-6pm CDT Jun 24, 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