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.

Fair

83°F

28°C

Humidity 79%
Wind Speed SW 9 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 13 Aug 12:53 am CDT
Extended Forecast for

Old Jefferson LA

Heat Advisory August 13, 11:00am until August 13, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 80. Southwest wind around 5 mph becoming calm.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 95. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the morning.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm after midnight.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind becoming south around 5 mph.

    High: 96 °F

    Hot

  • Friday Night

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

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Calm wind becoming south around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 96. Calm wind.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. Calm wind.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 80. Southwest wind around 5 mph becoming calm.
Thursday
Sunny and hot, with a high near 95. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm after midnight.
Friday
Sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind becoming south around 5 mph.
Friday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 97. Calm wind.
Saturday Night
Mostly clear, with a low around 78. Calm wind becoming south around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 96. Calm wind.
Sunday Night
Mostly clear, with a low around 78. Calm wind.
Monday
Sunny and hot, with a high near 97. Calm wind.
Monday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming calm.
Tuesday
Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming west around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Jefferson LA
 30.38°N 90.99°W
Last Update:
1:01 am CDT Aug 13, 2026
Forecast Valid:
1am CDT Aug 13, 2026-6pm CDT Aug 19, 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