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

83°F

28°C

Humidity 85%
Wind Speed S 3 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 12 Aug 7:56 pm CDT
Extended Forecast for

Morgan City LASimilar City Names

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm.

    Low: 78 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 88 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

    High: 88 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 77. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 78. Calm wind.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind.
Saturday Night
Partly cloudy, with a low around 77. Calm wind.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 78.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LASimilar City Names
 29.7°N 91.2°W
Last Update:
7:46 pm CDT Aug 12, 2025
Forecast Valid:
8pm CDT Aug 12, 2025-6pm CDT Aug 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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