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

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in (1018.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 15 Jul 4:56 am CDT
Extended Forecast for

Morgan City LA

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 11am. Sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming northwest around 5 mph.

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. West wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Increasing clouds, with a high near 89. Northwest wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 76 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 84. North wind around 5 mph. Chance of precipitation is 90%.

    High: 84 °F

    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 76. Southwest wind around 5 mph. Chance of precipitation is 70%.

    Low: 76 °F

    T-storms
    Likely then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers then
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 85. Southwest wind around 5 mph. Chance of precipitation is 80%.

    High: 85 °F

    Showers
    Likely then
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 11am. Sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming northwest around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. West wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Increasing clouds, with a high near 89. Northwest wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 84. North wind around 5 mph. Chance of precipitation is 90%.
Thursday Night
Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 76. Southwest wind around 5 mph. Chance of precipitation is 70%.
Friday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph.
Saturday
Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 85. Southwest wind around 5 mph. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 86. Chance of precipitation is 70%.
Sunday Night
Partly cloudy, with a low around 78.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LA
 29.68°N 91.2°W
Last Update:
1:46 am CDT Jul 15, 2025
Forecast Valid:
5am CDT Jul 15, 2025-6pm CDT Jul 21, 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