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

Hazardous Weather Conditions

Current conditions at

Port Isabel, Port Isabel-Cameron County Airport (KPIL)

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Mostly Cloudy

32°C

89°F

Humidity 72%
Wind Speed SE 24 G 37 km/h
Barometer 1009.7 mb (29.82 in)
Dewpoint 26°C (79°F)
Visibility 16 km
Heat Index40°C (104°F)
Last update 15 Jun 3:53 pm CDT
Extended Forecast for

Port Isabel TX

Flood Watch until June 18, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until June 18, 07:00am

    NOW until 7:00am Thu

    Flood Watch

  • This Afternoon

    High: 32 °C

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 27. Southeast wind 16 to 24 km/h, with gusts as high as 35 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.

    Low: 27 °C

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms before noon, then showers and possibly a thunderstorm, mainly after noon. High near 30. Breezy, with a south wind 27 to 32 km/h decreasing to 21 to 26 km/h in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 cm possible.

    High: 30 °C

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 11pm, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 26. South wind 14 to 18 km/h. Chance of precipitation is 70%.

    Low: 26 °C

    Heavy Rain

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33. South southwest wind 18 to 23 km/h.

    High: 33 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 28. South wind 23 to 26 km/h, with gusts as high as 37 km/h. Chance of precipitation is 20%.

    Low: 28 °C

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 34. Breezy, with a south wind 27 to 35 km/h, with gusts as high as 45 km/h.

    High: 34 °C

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Breezy, with a south southeast wind 29 to 35 km/h.

    Low: 29 °C

    Mostly Clear
    and Breezy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 32. South southeast wind around 24 km/h, with gusts as high as 32 km/h.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 27. Southeast wind 16 to 24 km/h, with gusts as high as 35 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
Tuesday
Showers and thunderstorms before noon, then showers and possibly a thunderstorm, mainly after noon. High near 30. Breezy, with a south wind 27 to 32 km/h decreasing to 21 to 26 km/h in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 cm possible.
Tuesday Night
Showers and thunderstorms likely, mainly before 11pm, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 26. South wind 14 to 18 km/h. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33. South southwest wind 18 to 23 km/h.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 28. South wind 23 to 26 km/h, with gusts as high as 37 km/h. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 34. Breezy, with a south wind 27 to 35 km/h, with gusts as high as 45 km/h.
Thursday Night
Mostly clear, with a low around 29. Breezy, with a south southeast wind 29 to 35 km/h.
Juneteenth
Sunny, with a high near 33. South southeast wind around 27 km/h, with gusts as high as 35 km/h.
Friday Night
Partly cloudy, with a low around 29. South southeast wind 18 to 24 km/h, with gusts as high as 32 km/h.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 32. South southeast wind 16 to 26 km/h.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 33. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.06°N 97.21°W
Last Update:
4:30 pm CDT Jun 15, 2026
Forecast Valid:
4pm CDT Jun 15, 2026-6pm CDT Jun 21, 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