National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Hazardous Weather Conditions

Current conditions at

New Orleans, New Orleans International Airport (KMSY)

Lat: 29.99°NLon: 90.25°WElev: 3ft.

Partly Cloudy

78°F

26°C

Humidity 93%
Wind Speed W 5 mph
Barometer 29.90 in (1012.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 20 Aug 5:53 am CDT
Extended Forecast for

New Orleans International Airport LA

Heat Advisory August 20, 11:00am until August 20, 06:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A slight chance of showers and thunderstorms between 11am and 4pm. Sunny, with a high near 94. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. West wind around 5 mph becoming calm.

    Low: 78 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the morning.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.

    Low: 77 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming north around 5 mph in the morning.

    High: 92 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 11am and 4pm. Sunny, with a high near 94. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming north around 5 mph in the afternoon. 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 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. West wind around 5 mph becoming calm.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the morning.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming north around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms. Sunny, with a high near 92. Northwest wind around 5 mph.
Monday Night
Partly cloudy, with a low around 77. West wind around 5 mph becoming east after midnight.
Tuesday
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:
New Orleans International Airport LA
 29.97°N 90.22°W
Last Update:
6:11 am CDT Aug 20, 2025
Forecast Valid:
7am CDT Aug 20, 2025-6pm CDT Aug 26, 2025
 
Forecast Discussion
 
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Additional Resources

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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