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

79°F

26°C

Humidity 97%
Wind Speed S 5 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Jun 12:56 am CDT
Extended Forecast for

3 Miles ESE Morgan City LA

  • Overnight

    Overnight: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming east around 5 mph in the morning.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 90. Southeast wind around 5 mph. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 89. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 89 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Sunday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming east around 5 mph in the morning.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 90. Southeast wind around 5 mph. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Showers and possibly a thunderstorm. High near 89. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Morgan City LA
 29.68°N 91.15°W
Last Update:
1:25 am CDT Jun 21, 2025
Forecast Valid:
1am CDT Jun 21, 2025-6pm CDT Jun 27, 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