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 88%
Wind Speed SW 5 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 22 Aug 11:53 pm CDT
Extended Forecast for

Old Jefferson LA

Heat Advisory August 23, 11:00am until August 23, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

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

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 111. Calm wind becoming northwest around 5 mph.

    High: 99 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 79. Calm wind.

    Low: 79 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 109. Calm wind becoming west around 5 mph.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm.

    Low: 78 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 96. Calm wind becoming southwest around 5 mph in the morning.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 78. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 111. Calm wind becoming northwest around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 79. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 109. Calm wind becoming west around 5 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm.
Tuesday
Sunny and hot, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 78. South wind around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 96. Calm wind becoming southwest around 5 mph in the morning.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the morning.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming west around 5 mph.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming south around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Jefferson LA
 30.38°N 91.02°W
Last Update:
12:06 am CDT Aug 23, 2026
Forecast Valid:
12am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation