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- New: May-July 2026 Outlook: Hotter than normal temperatures are favored to continue into the upcoming summer season; precipitation remains a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues remain in focus
Hazardous Weather Conditions
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
82°F
28°C
| Humidity | 69% |
| Wind Speed | SE 12 mph |
| Barometer | 29.86 in (1011.0 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 21 May 4:53 pm CDT |
Extended Forecast for
Laguna Vista TX
Flood Watch until May 25, 07:00am
NOW until 7:00am Mon
Flood Watch
This Afternoon
High: 82 °F
Chance
T-stormsTonight
Low: 78 °F
Chance
T-stormsFriday
High: 84 °F
Mostly Sunny
then Slight
Chance
T-stormsFriday Night
Low: 79 °F
Slight Chance
T-stormsSaturday
High: 83 °F
Slight Chance
T-storms then
Chance
T-stormsSaturday Night
Low: 78 °F
Showers
LikelySunday
High: 82 °F
Showers
LikelySunday Night
Low: 77 °F
Slight Chance
T-storms then
Chance
Showers
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South southeast wind around 13 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 78. South southeast wind 7 to 11 mph.
Friday
A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny, with a high near 84. South southeast wind 7 to 16 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms between 11pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 79. South southeast wind 10 to 14 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Southeast wind 9 to 15 mph. Chance of precipitation is 50%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. East wind 8 to 13 mph becoming south after midnight. Chance of precipitation is 70%.
Sunday
Showers likely, with thunderstorms also possible after 7am. Partly sunny, with a high near 82. Southeast wind 5 to 11 mph. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 77. East wind 5 to 8 mph becoming calm in the evening.
Memorial Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Light east wind increasing to 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 78. South southeast wind 5 to 9 mph.
Tuesday
Partly sunny, with a high near 89. Light south southeast wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 80.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 80.
Thursday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 90.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Laguna Vista TX
26.1°N 97.29°W
26.1°N 97.29°W
5:18 pm CDT May 21, 2026
5pm CDT May 21, 2026-6pm CDT May 28, 2026
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