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

Patterson Memorial (KPTN)

Lat: 29.72°NLon: 91.33°WElev: 10ft.

Fair

76°F

24°C

Humidity 97%
Wind Speed Calm
Barometer 30.08 in (1018.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 20 Jun 3:56 am CDT
Extended Forecast for

5 Miles SE Louisa LA

  • Today

    Today: A slight chance of showers and thunderstorms between 1pm and 4pm. Sunny, with a high near 89. Heat index values as high as 102. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. Heat index values as high as 101. South wind 5 to 10 mph.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Sunny, with a high near 89. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 60%.

    High: 89 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph.

    Low: 78 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 88. East wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 77. East wind 5 to 10 mph.

    Low: 77 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. East wind around 10 mph becoming southeast in the afternoon. Chance of precipitation is 70%.

    High: 89 °F

    T-storms
    Likely

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 1pm and 4pm. Sunny, with a high near 89. Heat index values as high as 102. South wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. Heat index values as high as 101. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.
Sunday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Sunny, with a high near 89. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 88. East wind 5 to 10 mph. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 77. East wind 5 to 10 mph.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. East wind around 10 mph becoming southeast in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Louisa LA
 29.74°N 91.7°W
Last Update:
3:46 am CDT Jun 20, 2025
Forecast Valid:
4am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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