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

Hazardous Weather Conditions

Current conditions at

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (KBTR)

Lat: 30.54°NLon: 91.15°WElev: 69ft.

Mostly Cloudy

90°F

32°C

Humidity 63%
Wind Speed W 9 mph
Barometer 30.05 in (1017.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 19 Aug 11:53 am CDT
Extended Forecast for

Old Jefferson LA

Heat Advisory August 20, 11:00am until August 20, 08:00pm
Heat Advisory August 19, 12:40pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 19, 12:40pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 78. Southwest wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 109. West wind around 5 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South wind around 5 mph becoming west after midnight.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Calm wind becoming west around 5 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 78. Calm wind becoming southwest around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind becoming northwest around 5 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South wind around 5 mph becoming calm.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 96. Heat index values as high as 110. Southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 109. West wind around 5 mph.
Thursday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming west after midnight.
Friday
Sunny and hot, with a high near 97. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 78. Calm wind becoming southwest around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 99. Calm wind.
Sunday Night
Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm.
Monday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 98. Calm wind becoming northeast around 5 mph.
Monday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms. Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Jefferson LA
 30.38°N 90.99°W
Last Update:
11:57 am CDT Aug 19, 2026
Forecast Valid:
12pm CDT Aug 19, 2026-6pm CDT Aug 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