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

Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Palacios Municipal Airport (KPSX)

Lat: 28.72°NLon: 96.25°WElev: 13ft.

A Few Clouds

85°F

29°C

Humidity 77%
Wind Speed SE 10 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 3 Sep 11:53 pm CDT
Extended Forecast for

Port O Connor TX

  • Overnight

    Overnight: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 83. South wind around 11 mph.

    Low: 83 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 87. Heat index values as high as 100. South wind 7 to 11 mph becoming east in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 82. Southeast wind 6 to 13 mph.

    Low: 82 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Heat index values as high as 102. Light south southeast wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 82. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 82 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 88. Light and variable wind becoming southeast 5 to 9 mph in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 82. South southeast wind 6 to 9 mph.

    Low: 82 °F

    Mostly Clear
    then Chance
    Showers

  • Labor Day

    Labor Day: A 30 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 88. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

    High: 88 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 83. South southeast wind 7 to 11 mph.

    Low: 83 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 83. South wind around 11 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 87. Heat index values as high as 100. South wind 7 to 11 mph becoming east in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 82. Southeast wind 6 to 13 mph.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Heat index values as high as 102. Light south southeast wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 60%.
Saturday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 82. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 88. Light and variable wind becoming southeast 5 to 9 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 82. South southeast wind 6 to 9 mph.
Labor Day
A 30 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 88. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 83. South southeast wind 7 to 11 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 82.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port O Connor TX
 28.44°N 96.4°W
Last Update:
6:01 pm CDT Sep 3, 2026
Forecast Valid:
12am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
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