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.

Fog/Mist

59°F

15°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in (1013.9 mb)
Dewpoint 59°F (15°C)
Visibility 1.00 mi
Last update 17 Nov 12:56 am CST
Extended Forecast for

Bayou Vista LA

Dense Fog Advisory until November 17, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 17, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 60 °F

    Patchy Dense
    Fog

  • Monday

    Monday: Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 80. Calm wind becoming south around 5 mph in the morning.

    High: 80 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. Southeast wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. South wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after noon. Partly sunny, with a high near 80. Southeast wind 5 to 10 mph.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Patchy dense fog after 2am. Otherwise, mostly cloudy, with a low around 60. Calm wind.
Monday
Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 80. Calm wind becoming south around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 64. Southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 80. Light southeast wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 62. South wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers after noon. Partly sunny, with a high near 80. Southeast wind 5 to 10 mph.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 67. Southeast wind around 5 mph.
Friday
A 50 percent chance of showers. Mostly sunny, with a high near 79.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 76.
Saturday Night
A 30 percent chance of showers. The rain could be heavy at times. Mostly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bayou Vista LA
 29.68°N 91.28°W
Last Update:
12:45 am CST Nov 17, 2025
Forecast Valid:
1am CST Nov 17, 2025-6pm CST Nov 23, 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