Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. 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

87°F

31°C

Humidity 59%
Wind Speed E 12 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 18 Sep 10:56 am CDT
Extended Forecast for

Portland TX

  • Today

    Today: Sunny, with a high near 90. Heat index values as high as 99. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. East southeast wind 5 to 13 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Heat index values as high as 99. Northeast wind 6 to 13 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. East southeast wind 5 to 11 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 10am.  Sunny, with a high near 90. East wind 6 to 13 mph.  Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 78. East southeast wind 6 to 10 mph.  Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms.  Sunny, with a high near 90. Southeast wind 6 to 13 mph.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am.  Mostly clear, with a low around 79. Southeast wind 9 to 13 mph.

    Low: 79 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms.  Sunny, with a high near 90. Southeast wind 7 to 14 mph.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 90. Heat index values as high as 99. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 76. East southeast wind 5 to 13 mph.
Friday
Sunny, with a high near 90. Heat index values as high as 99. Northeast wind 6 to 13 mph.
Friday Night
Mostly clear, with a low around 77. East southeast wind 5 to 11 mph.
Saturday
A chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 90. East wind 6 to 13 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. East southeast wind 6 to 10 mph. Chance of precipitation is 20%.
Sunday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 90. Southeast wind 6 to 13 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 79. Southeast wind 9 to 13 mph.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 90. Southeast wind 7 to 14 mph.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland TX
 27.88°N 97.32°W
10:46 am CDT Sep 18, 2025
11am CDT Sep 18, 2025-6pm CDT Sep 24, 2025
 
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