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.

Fair

96°F

36°C

Humidity 43%
Wind Speed SE 5 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 30 Aug 1:52 pm CDT
Extended Forecast for

Palm Valley TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 98. Heat index values as high as 107. Southeast wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 78. South southeast wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 98. Heat index values as high as 107. Southeast wind 6 to 11 mph.

    High: 98 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. East southeast wind 8 to 13 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 78 °F

    Mostly Clear

  • Labor Day

    Labor Day: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 96. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 50%.

    High: 96 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 95. Light and variable wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 60%.

    High: 95 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. East northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 75 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Light and variable wind becoming northeast 5 to 9 mph in the morning.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 98. Heat index values as high as 107. Southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 78. South southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 98. Heat index values as high as 107. Southeast wind 6 to 11 mph.
Sunday Night
Mostly clear, with a low around 78. East southeast wind 8 to 13 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.
Labor Day
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 96. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 50%.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 95. Light and variable wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. East northeast wind 5 to 7 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Light and variable wind becoming northeast 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. East wind 5 to 9 mph becoming light and variable after midnight.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Light and variable wind becoming east 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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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:
2:00 pm CDT Aug 30, 2025
Forecast Valid:
2pm CDT Aug 30, 2025-6pm CDT Sep 5, 2025
 
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