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

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Mostly Cloudy

76°F

24°C

Humidity 91%
Wind Speed E 12 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 18 Apr 8:52 pm CDT
Extended Forecast for

Palm Valley TX

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. East wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 72. Breezy, with a north wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 63. North wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. North wind 7 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 67. East wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. Southeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 68. Southeast wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Southeast wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. East wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 72. Breezy, with a north wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 63. North wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. North wind 7 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 67. East wind 6 to 13 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. Southeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 68. Southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 87. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 69. Southeast wind 9 to 14 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 88. Breezy, with a south southeast wind 9 to 18 mph, with gusts as high as 29 mph.
Thursday Night
Partly cloudy, with a low around 72. Southeast wind 13 to 16 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Partly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Palm Valley TX
 26.21°N 97.75°W
Last Update:
9:45 pm CDT Apr 18, 2026
Forecast Valid:
9pm CDT Apr 18, 2026-6pm CDT Apr 25, 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