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

Louisiana Regional Airport (KREG)

Lat: 30.17°NLon: 90.94°WElev: 14ft.

Fog/Mist

72°F

22°C

Humidity 98%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 71°F (22°C)
Visibility 5.00 mi
Last update 10 Mar 7:15 am CDT
Extended Forecast for

Old Jefferson LA

  • Today

    Today: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 84. Light south wind increasing to 5 to 10 mph in the morning.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. Southeast wind around 5 mph.

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 84 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 57. South wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%.

    Low: 57 °F

    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 64. North wind around 10 mph.

    High: 64 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Clear, with a low around 44. North wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 73. Calm wind.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 84. Light south wind increasing to 5 to 10 mph in the morning.
Tonight
Mostly cloudy, with a low around 70. Southeast wind around 5 mph.
Wednesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 57. South wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 64. North wind around 10 mph.
Thursday Night
Clear, with a low around 44. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 73. Calm wind.
Friday Night
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 82. Light south wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51. Southwest wind 5 to 10 mph becoming north after midnight.
Monday
Mostly cloudy, with a high near 62. North wind 10 to 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Jefferson LA
 30.36°N 90.99°W
Last Update:
6:34 am CDT Mar 10, 2026
Forecast Valid:
7am CDT Mar 10, 2026-6pm CDT Mar 16, 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