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 68%
Wind Speed SW 7 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 22 Aug 12:56 pm CDT
Extended Forecast for

Morgan City LA

  • This Afternoon

    This Afternoon: Showers and thunderstorms. High near 87. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Heavy Rain
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 88. Calm wind becoming north around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming north around 5 mph in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 75. Calm wind. Chance of precipitation is 10%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Northeast wind around 5 mph becoming south in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms. High near 87. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 88. Calm wind becoming north around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 20%.
Monday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 75. Calm wind. Chance of precipitation is 10%.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Northeast wind around 5 mph becoming south in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LA
 29.68°N 91.17°W
Last Update:
12:25 pm CDT Aug 22, 2025
Forecast Valid:
1pm CDT Aug 22, 2025-6pm CDT Aug 28, 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