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

Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. 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

91°F

33°C

Humidity 61%
Wind Speed Vrbl 7 mph
Barometer 29.97 in (1015.1 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 19 Jun 12:53 pm CDT
Extended Forecast for

Jefferson LA

Heat Advisory June 19, 01:47pm until June 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 19, 01:47pm until June 19, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Juneteenth

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 106. South wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 80. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 80 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. South wind 5 to 15 mph.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 80. South wind around 10 mph.

    Low: 80 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93. Southwest wind 5 to 15 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 92. Heat index values as high as 111. Southwest wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 80. South wind 5 to 10 mph.
Saturday
A slight chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 106. South wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 80. South wind around 5 mph. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 91. South wind 5 to 15 mph.
Sunday Night
Partly cloudy, with a low around 80. South wind around 10 mph.
Monday
Sunny, with a high near 93. Southwest wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 78. Southwest wind 5 to 10 mph.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. West wind around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. West wind around 5 mph.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northwest wind around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jefferson LA
 29.95°N 90.19°W
Last Update:
1:25 pm CDT Jun 19, 2026
Forecast Valid:
1pm CDT Jun 19, 2026-6pm CDT Jun 25, 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