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.

A Few Clouds

84°F

29°C

Humidity 77%
Wind Speed W 5 mph
Barometer 29.87 in (1011.7 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 6 Sep 8:53 pm CDT
Extended Forecast for

Jefferson LASimilar City Names

Heat Advisory September 7, 11:00am until September 7, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 78. West wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Labor Day

    Labor Day: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 109. West wind around 5 mph becoming south in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 90. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 70%.

    High: 90 °F

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 78. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 89. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 80%.

    High: 89 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.

    Low: 77 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 78. West wind around 5 mph.
Labor Day
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 109. West wind around 5 mph becoming south in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm.
Tuesday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 90. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 78. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
Showers and possibly a thunderstorm. High near 89. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 80%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Calm wind.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%.
Thursday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.
Friday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson LASimilar City Names
 29.95°N 90.17°W
Last Update:
2:02 pm CDT Sep 6, 2026
Forecast Valid:
10pm CDT Sep 6, 2026-6pm CDT Sep 13, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation