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

77°F

25°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in (1017.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 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

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 1pm and 4pm. Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 77. Southwest wind around 5 mph becoming calm.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 89. Heat index values as high as 98. Calm wind becoming west around 5 mph.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Northwest wind around 5 mph becoming calm.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. West wind around 5 mph becoming calm.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 86. North wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 86 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 76. Calm wind.
Monday
Showers and thunderstorms likely, mainly between 1pm and 4pm. Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 77. Southwest wind around 5 mph becoming calm.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 89. Heat index values as high as 98. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Northwest wind around 5 mph becoming calm.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. West wind around 5 mph becoming calm.
Thursday
Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 86. North wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm.
Friday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Saturday
Showers and possibly a thunderstorm. High near 85. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Sunday
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:
1:45 am CDT Jul 14, 2025
Forecast Valid:
2am CDT Jul 14, 2025-6pm CDT Jul 20, 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