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

80°F

27°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in (1015.3 mb)
Dewpoint 78°F (26°C)
Visibility 9.00 mi
Heat Index86°F (30°C)
Last update 24 Aug 4:53 am CDT
Extended Forecast for

Laplace LA

  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 110. Calm wind becoming west around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Sunny then
    T-storms
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 77. West wind around 5 mph becoming calm.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 9am, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming northwest around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 94. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 94 °F

    Sunny then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76. South wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 92 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph.

    High: 91 °F

    T-storms
    Likely

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 110. Calm wind becoming west around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 77. West wind around 5 mph becoming calm.
Tuesday
A slight chance of showers and thunderstorms before 9am, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming northwest around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Calm wind.
Wednesday
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 94. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Calm wind.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph.
Friday Night
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 75. Calm wind.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming northeast around 5 mph.
Saturday Night
Partly cloudy, with a low around 75. Calm wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Laplace LA
 30.07°N 90.48°W
Last Update:
1:57 am CDT Aug 24, 2026
Forecast Valid:
5am CDT Aug 24, 2026-6pm CDT Aug 30, 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