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

86°F

30°C

Humidity 83%
Wind Speed S 8 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 19 Jun 8:56 am CDT
Extended Forecast for

Morgan City LA

  • Juneteenth

    Juneteenth: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 89. Heat index values as high as 99. Southwest wind around 5 mph. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    T-storms

  • Tonight

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

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Heat index values as high as 99. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

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

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely after 1pm. Sunny, with a high near 88. East wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%.

    High: 88 °F

    Sunny then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 88. East wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 80%.

    High: 88 °F

    Chance
    T-storms then
    Showers

Detailed Forecast

Juneteenth
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 89. Heat index values as high as 99. Southwest wind around 5 mph. Chance of precipitation is 40%.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Heat index values as high as 99. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely after 1pm. Sunny, with a high near 88. East wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 88. East wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 76.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LA
 29.7°N 91.2°W
Last Update:
7:45 am CDT Jun 19, 2025
Forecast Valid:
9am CDT Jun 19, 2025-6pm CDT Jun 25, 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