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.

Partly Cloudy

72°F

22°C

Humidity 59%
Wind Speed SW 7 mph
Barometer 30.22 in (1023.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Mar 12:56 pm CDT
Extended Forecast for

Bayou Vista LA

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Southwest wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog between 7am and 9am. Otherwise, sunny, with a high near 77. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Southwest wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Southwest wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Light southwest wind becoming west 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Southwest wind 5 to 10 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog between 7am and 9am. Otherwise, sunny, with a high near 77. Light south wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 61. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 78. Southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 81. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bayou Vista LA
 29.68°N 91.28°W
Last Update:
1:21 pm CDT Mar 20, 2026
Forecast Valid:
1pm CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation