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

88°F

31°C

Humidity 66%
Wind Speed W 9 mph
Barometer 30.14 in (1020.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 6 Aug 4:56 pm CDT
Extended Forecast for

Bayou Vista LA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 5 mph.

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 75. Calm wind. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%.

    High: 90 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 75. East wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 70%.

    High: 90 °F

    T-storms
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 5 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 75. Calm wind. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 75. East wind around 5 mph becoming calm.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 70%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bayou Vista LA
 29.68°N 91.28°W
Last Update:
3:47 pm CDT Aug 6, 2025
Forecast Valid:
5pm CDT Aug 6, 2025-6pm CDT Aug 13, 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