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.

Partly Cloudy

75°F

24°C

Humidity 97%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 6 Sep 1:15 am CDT
Extended Forecast for

3 Miles SSE Old Jefferson LA

  • Overnight

    Overnight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 108. Calm wind.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Labor Day

    Labor Day: Showers likely and possibly a thunderstorm after 1pm. Partly sunny through mid morning, then becoming sunny and hot, with a high near 95. Heat index values as high as 112. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

    High: 95 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 93 °F

    Sunny then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming east around 5 mph. Chance of precipitation is 70%.

    High: 92 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 75. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 108. Calm wind.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Calm wind.
Labor Day
Showers likely and possibly a thunderstorm after 1pm. Partly sunny through mid morning, then becoming sunny and hot, with a high near 95. Heat index values as high as 112. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. Calm wind.
Tuesday
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming east around 5 mph. Chance of precipitation is 70%.
Wednesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Calm wind.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 92. Calm wind.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind.
Friday Night
Partly cloudy, with a low around 76. Calm wind.
Saturday
Showers likely and possibly a thunderstorm. Sunny, with a high near 92. Calm wind becoming southwest around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Old Jefferson LA
 30.33°N 91°W
Last Update:
6:14 pm CDT Sep 5, 2026
Forecast Valid:
1am CDT Sep 6, 2026-6pm CDT Sep 12, 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