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.

Partly Cloudy

96°F

36°C

Humidity 43%
Wind Speed NE 5 mph
Barometer 29.83 in (1010.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 20 Aug 3:53 pm CDT
Extended Forecast for

Laplace LA

Heat Advisory until August 20, 06:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 20, 06:00pm

    NOW until 6:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming north around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Sunny then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming north around 5 mph. Chance of precipitation is 70%.

    High: 92 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a steady temperature around 92. East wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. Calm wind.
Thursday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming north around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. Calm wind.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming north around 5 mph. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Calm wind.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. 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 northeast around 5 mph.
Sunday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm.
Monday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 95. Calm wind becoming north around 5 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. East wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Laplace LA
 30.07°N 90.48°W
Last Update:
4:16 pm CDT Aug 20, 2025
Forecast Valid:
4pm CDT Aug 20, 2025-6pm CDT Aug 27, 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