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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

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

Lat: 27.69°NLon: 97.29°WElev: 20ft.

Thunderstorm

83°F

28°C

Humidity 94%
Wind Speed SE 9 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 81°F (27°C)
Visibility 7.00 mi
Heat Index96°F (36°C)
Last update 20 Jun 4:56 am CDT
Extended Forecast for

Portland TX

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 83. South southeast wind around 9 mph.

    Low: 83 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 90. Heat index values as high as 110. Southeast wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 83. South southeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 83 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 111. South wind 14 to 20 mph, with gusts as high as 26 mph.

    High: 90 °F

    Chance
    T-storms then
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 83. South wind 17 to 20 mph, with gusts as high as 26 mph.

    Low: 83 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91. South wind 17 to 21 mph, with gusts as high as 28 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 83. South southeast wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 83 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. Southeast wind 13 to 17 mph, with gusts as high as 23 mph.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 81. Southeast wind 11 to 17 mph, with gusts as high as 22 mph.

    Low: 81 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 83. South southeast wind around 9 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 90. Heat index values as high as 110. Southeast wind 9 to 14 mph, with gusts as high as 18 mph.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 83. South southeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 111. South wind 14 to 20 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 83. South wind 17 to 20 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 91. South wind 17 to 21 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 83. South southeast wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 91. Southeast wind 13 to 17 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 81. Southeast wind 11 to 17 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 80.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 81.
Friday
Mostly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland TX
 27.88°N 97.32°W
Last Update:
1:46 am CDT Jun 20, 2026
Forecast Valid:
5am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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