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

Excessive Rainfall in the Southern Plains, Ozarks, and Upper Midwest Thursday

Heavy thunderstorms will continue areas of excessive rainfall and locally considerable flooding over parts of the southern Plains into the mid-Mississippi River Valley through Friday. Heavy to excessive rainfall may bring flash and urban flooding, along with isolated riverine flooding to a part of the Upper Midwest Thursday. Read More >

Current conditions at

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

Lat: 27.69°NLon: 97.29°WElev: 20ft.

Mostly Cloudy

82°F

28°C

Humidity 90%
Wind Speed S 14 G 23 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 12 Jun 4:56 am CDT
Extended Forecast for

Portland TX

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 80. South southeast wind around 15 mph, with gusts as high as 21 mph.

    Low: 80 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 105. South wind 14 to 17 mph, with gusts as high as 23 mph.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 81. Southeast wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 81 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 90. Heat index values as high as 105. South southeast wind 13 to 16 mph, with gusts as high as 22 mph.

    High: 90 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 82. Southeast wind 13 to 16 mph, with gusts as high as 21 mph.

    Low: 82 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. South southeast wind 13 to 16 mph, with gusts as high as 21 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 81. Southeast wind 11 to 15 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 80. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 80. South southeast wind around 15 mph, with gusts as high as 21 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 105. South wind 14 to 17 mph, with gusts as high as 23 mph.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 81. Southeast wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 90. Heat index values as high as 105. South southeast wind 13 to 16 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 82. Southeast wind 13 to 16 mph, with gusts as high as 21 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. South southeast wind 13 to 16 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 81. Southeast wind 11 to 15 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 80. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 80.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 81.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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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:
12:13 am CDT Jun 12, 2025
Forecast Valid:
5am CDT Jun 12, 2025-6pm CDT Jun 18, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation