Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Patterson Memorial (KPTN)

Lat: 29.72°NLon: 91.33°WElev: 10ft.

Fair

77°F

25°C

Humidity NA
Wind Speed Calm
Barometer 30.00 in (1016.1 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 30 Aug 2:56 am CDT
Extended Forecast for

Bayou Vista LA

  • Overnight

    Overnight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Increasing clouds, with a high near 90. Heat index values as high as 100. Northeast wind around 5 mph.

    High: 90 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 5am.  Partly cloudy, with a low around 75. Northeast wind around 5 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm.  Mostly cloudy, with a high near 88. Heat index values as high as 98. Northeast wind 5 to 10 mph becoming southeast in the afternoon.  Chance of precipitation is 70%.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 7pm.  Partly cloudy, with a low around 75. Calm wind.  Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm.  High near 90. Calm wind becoming east around 5 mph.  Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 75. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 90. Heat index values as high as 100. Northeast wind around 5 mph.
Sunday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 75. Northeast wind around 5 mph. Chance of precipitation is 20%.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 88. Heat index values as high as 98. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 70%.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm.
Tuesday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 90. Calm wind becoming east around 5 mph. Chance of precipitation is 80%.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Calm wind.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 90. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 70%.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Bayou Vista LA
 29.68°N 91.28°W
2:45 am CDT Aug 30, 2026
3am CDT Aug 30, 2026-6pm CDT Sep 5, 2026
 
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Additional Resources

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