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

76°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in (1018.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 15 Jul 1:56 am CDT
Extended Forecast for

Morgan City LA

  • Overnight

    Overnight: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 11am. Sunny, with a high near 89. Heat index values as high as 99. Calm wind.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

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

    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. Heat index values as high as 98. Northwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%.

    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. Calm wind becoming northwest around 5 mph. 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 after 1pm. High near 85. North wind around 5 mph. Chance of precipitation is 90%.

    High: 85 °F

    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. Southwest wind around 5 mph. Chance of precipitation is 70%.

    Low: 76 °F

    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

Detailed Forecast

Overnight
Mostly clear, with a low around 76. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 11am. Sunny, with a high near 89. Heat index values as high as 99. Calm wind.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. West wind around 5 mph becoming calm.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Increasing clouds, with a high near 89. Heat index values as high as 98. Northwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%.
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. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 85. North wind around 5 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm. 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. Chance of precipitation is 90%.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 78.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Sunday Night
Mostly clear, with a low around 77.
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
 29.7°N 91.2°W
Last Update:
1:46 am CDT Jul 15, 2025
Forecast Valid:
2am 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