Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Corpus Christi, Corpus Christi International Airport (KCRP)

Lat: 27.77°NLon: 97.51°WElev: 43ft.

Mostly Cloudy

85°F

29°C

Humidity 77%
Wind Speed E 12 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 18 Sep 6:51 pm CDT
Extended Forecast for

3 Miles SW Portland TX

  • Tonight

    Tonight: Mostly clear, with a low around 82. East wind 7 to 15 mph, with gusts as high as 18 mph.

    Low: 82 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers before 9am.  Sunny, with a high near 89. Heat index values as high as 106. North wind 5 to 14 mph becoming east southeast in the morning. Winds could gust as high as 18 mph.

    High: 89 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 82. East southeast wind 6 to 15 mph.

    Low: 82 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Heat index values as high as 108. East southeast wind 5 to 14 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 83. South southeast wind 8 to 15 mph.

    Low: 83 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 90. Light southeast wind becoming east southeast 8 to 13 mph in the afternoon.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 84. Southeast wind 6 to 15 mph.

    Low: 84 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Sunny, with a high near 87. East wind 6 to 16 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 84. East southeast wind 6 to 16 mph.

    Low: 84 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 82. East wind 7 to 15 mph, with gusts as high as 18 mph.
Saturday
A 20 percent chance of showers before 9am. Sunny, with a high near 89. Heat index values as high as 106. North wind 5 to 14 mph becoming east southeast in the morning. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 82. East southeast wind 6 to 15 mph.
Sunday
Sunny, with a high near 90. Heat index values as high as 108. East southeast wind 5 to 14 mph.
Sunday Night
Partly cloudy, with a low around 83. South southeast wind 8 to 15 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Light southeast wind becoming east southeast 8 to 13 mph in the afternoon.
Monday Night
Mostly clear, with a low around 84. Southeast wind 6 to 15 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 87. East wind 6 to 16 mph.
Tuesday Night
Mostly clear, with a low around 84. East southeast wind 6 to 16 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 84.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 83.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Portland TX
 27.86°N 97.35°W
2:26 pm CDT Sep 18, 2026
7pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
 
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