Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Corpus Christi, Corpus Christi Naval Air Station/Truax Field (KNGP)

Lat: 27.69°NLon: 97.29°WElev: 20ft.

Fair

83°F

28°C

Humidity 85%
Wind Speed S 20 G 26 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 13 Aug 12:56 am CDT
Extended Forecast for

Portland TX

  • Overnight

    Overnight: Mostly clear, with a low around 82. South wind around 18 mph, with gusts as high as 23 mph.

    Low: 82 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Heat index values as high as 113. South wind 15 to 21 mph, with gusts as high as 26 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 82. Southeast wind 13 to 20 mph, with gusts as high as 26 mph.

    Low: 82 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 10am.  Sunny, with a high near 91. Heat index values as high as 113. Southeast wind 11 to 17 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 82. South southeast wind 11 to 17 mph, with gusts as high as 23 mph.

    Low: 82 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 82. Southeast wind 9 to 16 mph, with gusts as high as 20 mph.

    Low: 82 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Southeast wind 7 to 15 mph, with gusts as high as 18 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 81. Southeast wind 7 to 15 mph, with gusts as high as 18 mph.

    Low: 81 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 82. South wind around 18 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 91. Heat index values as high as 113. South wind 15 to 21 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 82. Southeast wind 13 to 20 mph, with gusts as high as 26 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 91. Heat index values as high as 113. Southeast wind 11 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 82. South southeast wind 11 to 17 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 91. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 82. Southeast wind 9 to 16 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 89. Southeast wind 7 to 15 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 81. Southeast wind 7 to 15 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 82.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 82.
Wednesday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland TX
 27.88°N 97.32°W
1:51 pm CDT Aug 12, 2026
1am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
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