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

Hazardous Weather Conditions

Current conditions at

Patterson Memorial (KPTN)

Lat: 29.72°NLon: 91.33°WElev: 10ft.

A Few Clouds

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in (1018.1 mb)
Dewpoint 64°F (18°C)
Visibility 9.00 mi
Last update 27 Mar 4:56 am CDT
Extended Forecast for

Bayou Vista LA

Dense Fog Advisory until March 27, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until March 27, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Patchy dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Patchy Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Calm wind becoming north around 5 mph after midnight.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Northeast wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 79 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64. East wind around 5 mph.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Southeast wind 5 to 10 mph.

    High: 81 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 63. Calm wind.
Friday
Patchy dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 60. Calm wind becoming north around 5 mph after midnight.
Saturday
Sunny, with a high near 77. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 57. Northeast wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 64. East wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Southeast wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 66. Southeast wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Wednesday Night
Mostly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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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:
3:46 am CDT Mar 27, 2026
Forecast Valid:
5am CDT Mar 27, 2026-6pm CDT Apr 2, 2026
 
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Additional Resources

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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