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.

Fog

58°F

14°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 30.09 in (1019.3 mb)
Dewpoint 58°F (14°C)
Visibility 0.25 mi
Last update 23 Jan 2:53 am CST
Extended Forecast for

Harahan LA

Dense Fog Advisory January 23, 03:34am until January 23, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 23, 03:34am until January 23, 08:00am

    NOW until 8:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 58 °F

    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 68. Light northeast wind increasing to 5 to 10 mph in the morning.

    High: 68 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 53. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 67. East wind around 10 mph becoming south in the afternoon. Chance of precipitation is 80%.

    High: 67 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 50. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 67. South wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 100%.

    High: 67 °F

    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 42. North wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 42 °F

    Sunny

Detailed Forecast

Overnight
Cloudy, with a low around 58. Calm wind.
Friday
Mostly cloudy, with a high near 68. Light northeast wind increasing to 5 to 10 mph in the morning.
Friday Night
A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 53. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 67. East wind around 10 mph becoming south in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 50. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 67. South wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 100%.
Sunday Night
Mostly cloudy, with a low around 26. Northwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 42. North wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Widespread frost after midnight. Otherwise, mostly clear, with a low around 26. North wind 5 to 10 mph.
Tuesday
Widespread frost before 9am. Otherwise, sunny, with a high near 48. Northeast wind around 5 mph.
Tuesday Night
Areas of frost. Otherwise, partly cloudy, with a low around 35. Calm wind becoming north around 5 mph.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 55. North wind around 5 mph.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 35. North wind 5 to 10 mph.
Thursday
Sunny, with a high near 50. North wind around 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harahan LA
 29.93°N 90.22°W
Last Update:
11:31 pm CST Jan 22, 2026
Forecast Valid:
3am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
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