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.

Mostly Cloudy

80°F

27°C

Humidity 87%
Wind Speed SE 6 mph
Barometer 29.68 in (1005.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 16 Jun 9:56 pm CDT
Extended Forecast for

Portland TX

Flood Watch June 16, 10:05pm until June 17, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 16, 10:05pm until June 17, 07:00am

    NOW until 7:00am Wed

    Flood Watch

  • Tonight

    Low: 77 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 92. Heat index values as high as 111. West northwest wind 6 to 8 mph becoming southwest in the afternoon.

    High: 92 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 83. South wind 11 to 15 mph, with gusts as high as 22 mph.

    Low: 83 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 93. Heat index values as high as 125. South wind 11 to 20 mph, with gusts as high as 24 mph.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 84. South southeast wind 14 to 18 mph, with gusts as high as 24 mph.

    Low: 84 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 91. South southeast wind 14 to 16 mph, with gusts as high as 22 mph.

    High: 91 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 83. South southeast wind 14 to 16 mph, with gusts as high as 21 mph.

    Low: 83 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. Southeast wind 11 to 17 mph, with gusts as high as 22 mph.

    High: 90 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 77. Light and variable wind becoming northwest 5 to 10 mph after midnight. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 92. Heat index values as high as 111. West northwest wind 6 to 8 mph becoming southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 83. South wind 11 to 15 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 93. Heat index values as high as 125. South wind 11 to 20 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 84. South southeast wind 14 to 18 mph, with gusts as high as 24 mph.
Juneteenth
Partly sunny, with a high near 91. South southeast wind 14 to 16 mph, with gusts as high as 22 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 83. South southeast wind 14 to 16 mph, with gusts as high as 21 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. Southeast wind 11 to 17 mph, with gusts as high as 22 mph.
Saturday Night
A slight chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 83. Southeast wind around 17 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 84.
Monday
Mostly sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 83.
Tuesday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland TX
 27.88°N 97.32°W
Last Update:
9:40 pm CDT Jun 16, 2026
Forecast Valid:
10pm CDT Jun 16, 2026-6pm CDT Jun 23, 2026
 
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