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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

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

Lat: 27.69°NLon: 97.29°WElev: 20ft.

Thunderstorm and Breezy

78°F

26°C

Humidity 90%
Wind Speed N 22 G 30 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 4 Oct 5:56 am CDT
Extended Forecast for

Portland TX

  • Today

    Today: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 82. Heat index values as high as 89. North northeast wind 16 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 75. North northeast wind 15 to 18 mph, with gusts as high as 23 mph.

    Low: 75 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 85. Heat index values as high as 92. North northeast wind 14 to 20 mph, with gusts as high as 24 mph.

    High: 85 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 74. North wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 87. North wind 8 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. North northeast wind 6 to 9 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. North wind 9 to 13 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76. East northeast wind 9 to 11 mph.

    Low: 76 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 84. North northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 82. Heat index values as high as 89. North northeast wind 16 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 75. North northeast wind 15 to 18 mph, with gusts as high as 23 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 85. Heat index values as high as 92. North northeast wind 14 to 20 mph, with gusts as high as 24 mph.
Monday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 74. North wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 87. North wind 8 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 74. North northeast wind 6 to 9 mph.
Wednesday
Sunny, with a high near 88. North wind 9 to 13 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76. East northeast wind 9 to 11 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 84. North northeast wind around 15 mph, with gusts as high as 20 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 74.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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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:
4:11 am CDT Oct 4, 2026
Forecast Valid:
6am CDT Oct 4, 2026-6pm CDT Oct 10, 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