


News Headlines
- New: Spring (March to May) 2025 RGV Weather Summary: A State of Heat and Drought, Broken by a Devastating Flood
- New: Summer 2025 Outlook - The Heat Is On, Water Resource Issues May Worsen, and Limited Opportunities for Tropical Rains
- New! The 2025 Rio Grande Valley/Deep South Texas Hurricane Guide is Here
- Nuevo! Guia de Huracanes 2025 del Valle del Rio Grande/Extremo Sur de Texas es Aqui
- Take Advantage of May (and June) to Be Ready for the 2025 Atlantic Hurricane Season!

Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16° N Lon: 97.34° W Elev: 16 ft.
Overcast
72°F
22°C
Humidity | NA |
Wind Speed | SE 6 mph |
Barometer | 29.87 in (1011.5 mb) |
Dewpoint | NA |
Visibility | 7.00 mi |
Last update | 13 Jun 6:53 am CDT |
Detailed forecast for
Willacy Island
Today
Sunny. Highs around 90. Southeast winds 15 to 20 mph. Heat index values up to 107.
Tonight
Mostly clear in the evening, then partly cloudy with a slight chance of thunderstorms after midnight. Humid with lows in the lower 80s. Southeast winds around 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent.
Saturday
Mostly sunny. Humid with highs in the upper 80s. Southeast winds 10 to 15 mph. Heat index values up to 107.
Saturday Night
Mostly clear. Humid with lows in the lower 80s. Southeast winds 10 to 15 mph. Heat index values up to 105 early.
Sunday
Mostly sunny with a 40 percent chance of thunderstorms. Humid with highs in the upper 80s. Southeast winds 10 to 15 mph. Heat index values up to 105.
Sunday Night
Mostly clear. A chance of showers after midnight. Lows around 80. Chance of rain 30 percent.
Monday
Sunny with a 40 percent chance of thunderstorms. Highs in the upper 80s.
Monday Night Through Tuesday Night
Mostly clear. Lows around 80. Highs in the upper 80s.
Wednesday
Mostly sunny with a chance of showers. Highs around 90. Chance of rain 30 percent.
Wednesday Night
Partly cloudy with a chance of showers. Lows in the upper 70s. Chance of rain 40 percent.
Juneteenth
Showers likely. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.
Additional Forecasts and Information
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