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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
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Overcast
80°F
27°C
| Humidity | 94% |
| Wind Speed | E 5 mph |
| Barometer | 29.91 in (1012.8 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 9.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 20 May 4:52 am CDT |
Extended Forecast for
Palm Valley TX
Overnight
Low: 78 °F
Slight Chance
T-stormsWednesday
High: 92 °F
Slight Chance
Showers then
Mostly SunnyWednesday Night
Low: 76 °F
Mostly Cloudy
then Slight
Chance
T-stormsThursday
High: 90 °F
Chance
T-stormsThursday Night
Low: 76 °F
Showers
Likely then
Chance
ShowersFriday
High: 92 °F
Partly Sunny
then Slight
Chance
T-stormsFriday Night
Low: 77 °F
Slight Chance
T-storms then
Chance
ShowersSaturday
High: 90 °F
Chance
T-storms then
Showers
LikelySaturday Night
Low: 75 °F
Chance
T-storms
Detailed Forecast
Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. East wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of showers between 8am and 9am. Partly sunny, with a high near 92. East southeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 76. East southeast wind 7 to 14 mph, with gusts as high as 22 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 90. East southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 76. South southeast wind 6 to 11 mph. Chance of precipitation is 60%.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Southeast wind 6 to 15 mph, with gusts as high as 23 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 77. Southeast wind 9 to 13 mph, with gusts as high as 21 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 90. South southeast wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East southeast wind 5 to 10 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. East southeast wind 5 to 7 mph becoming calm in the evening.
Memorial Day
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Palm Valley TX
26.21°N 97.75°W
26.21°N 97.75°W
5:00 am CDT May 20, 2026
5am CDT May 20, 2026-6pm CDT May 26, 2026
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