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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 27.69°NLon: 97.29°WElev: 20ft.

Overcast

78°F

26°C

Humidity 97%
Wind Speed NW 14 mph
Barometer 29.66 in (1004.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Jun 7:56 am CDT
Extended Forecast for

Portland TX

Heat Advisory June 17, 01:00pm until June 17, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 93. Heat index values as high as 116. West northwest wind 6 to 10 mph becoming southwest in the afternoon.

    High: 93 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 83. South wind 13 to 16 mph, with gusts as high as 22 mph.

    Low: 83 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 92. Heat index values as high as 124. South southeast wind 13 to 17 mph, with gusts as high as 24 mph.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 84. South southeast wind 14 to 17 mph, with gusts as high as 24 mph.

    Low: 84 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 91. Southeast wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 91 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 84. Southeast wind 13 to 15 mph, with gusts as high as 21 mph.

    Low: 84 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 90. Southeast wind 11 to 16 mph, with gusts as high as 22 mph.

    High: 90 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 83. Southeast wind around 15 mph, with gusts as high as 22 mph.

    Low: 83 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. South southeast wind 16 to 21 mph, with gusts as high as 29 mph.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 93. Heat index values as high as 116. West northwest wind 6 to 10 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 83. South wind 13 to 16 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 92. Heat index values as high as 124. South southeast wind 13 to 17 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 84. South southeast wind 14 to 17 mph, with gusts as high as 24 mph.
Juneteenth
Partly sunny, with a high near 91. Southeast wind 14 to 16 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 84. Southeast wind 13 to 15 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 90. Southeast wind 11 to 16 mph, with gusts as high as 22 mph.
Saturday Night
Mostly cloudy, with a low around 83. Southeast wind around 15 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 90. South southeast wind 16 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 84.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 83.
Tuesday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland TX
 27.88°N 97.32°W
Last Update:
3:41 am CDT Jun 17, 2026
Forecast Valid:
8am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation