National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Patterson Memorial (KPTN)

Lat: 29.72°NLon: 91.33°WElev: 10ft.

Fair

74°F

23°C

Humidity 43%
Wind Speed S 10 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Mar 3:56 pm CDT
Extended Forecast for

Morgan City LA

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 60. Southwest wind 5 to 10 mph.

    Low: 60 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog between 7am and 9am. Otherwise, sunny, with a high near 75. Southwest wind 5 to 10 mph.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Southwest wind 5 to 10 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Southwest wind 5 to 15 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. South wind 5 to 10 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Southwest wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 60. Southwest wind 5 to 10 mph.
Saturday
Patchy fog between 7am and 9am. Otherwise, sunny, with a high near 75. Southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 63. Southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 76. Southwest wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 63. South wind 5 to 10 mph.
Monday
Sunny, with a high near 80. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Morgan City LA
 29.7°N 91.2°W
Last Update:
2:45 pm CDT Mar 20, 2026
Forecast Valid:
4pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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