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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

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

Lat: 27.69°NLon: 97.29°WElev: 20ft.

Partly Cloudy

89°F

32°C

Humidity 68%
Wind Speed SE 16 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 28 Aug 5:56 pm CDT
Extended Forecast for

Portland TX

  • Tonight

    Tonight: Partly cloudy, with a low around 81. Southeast wind 6 to 11 mph becoming light south after midnight.

    Low: 81 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 8am. Sunny, with a high near 91. Heat index values as high as 109. Light and variable wind becoming southeast 8 to 13 mph in the afternoon.

    High: 91 °F

    Slight Chance
    T-storms then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 81. Southeast wind 7 to 13 mph.

    Low: 81 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. Heat index values as high as 109. Southeast wind 5 to 14 mph, with gusts as high as 18 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 82. Southeast wind 9 to 14 mph, with gusts as high as 18 mph.

    Low: 82 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91. Southeast wind 7 to 14 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 83. Southeast wind 9 to 16 mph, with gusts as high as 20 mph.

    Low: 83 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Southeast wind 7 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 83. Southeast wind 8 to 15 mph, with gusts as high as 18 mph.

    Low: 83 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 81. Southeast wind 6 to 11 mph becoming light south after midnight.
Saturday
A 20 percent chance of showers and thunderstorms before 8am. Sunny, with a high near 91. Heat index values as high as 109. Light and variable wind becoming southeast 8 to 13 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 81. Southeast wind 7 to 13 mph.
Sunday
Sunny, with a high near 91. Heat index values as high as 109. Southeast wind 5 to 14 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 82. Southeast wind 9 to 14 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 91. Southeast wind 7 to 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 83. Southeast wind 9 to 16 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 89. Southeast wind 7 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 83. Southeast wind 8 to 15 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 82.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 82.
Friday
Sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland TX
 27.88°N 97.32°W
Last Update:
1:46 pm CDT Aug 28, 2026
Forecast Valid:
7pm CDT Aug 28, 2026-6pm CDT Sep 4, 2026
 
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Additional Resources

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