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

Hazardous Weather Conditions

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

A Few Clouds

96°F

36°C

Humidity 46%
Wind Speed Vrbl 6 G 17 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 31 Aug 12:52 pm CDT
Extended Forecast for

Palm Valley TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 98. Heat index values as high as 107. East wind 8 to 11 mph.

    High: 98 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. East southeast wind 8 to 13 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Labor Day

    Labor Day: A 50 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Sunny, with a high near 96. Heat index values as high as 105. Calm wind becoming east 5 to 9 mph in the afternoon.

    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. Mostly clear, 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. Mostly sunny, with a high near 94. Light and variable wind becoming northeast 5 to 9 mph in the morning. Chance of precipitation is 70%.

    High: 94 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. East northeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

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

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. East wind 5 to 9 mph becoming light and variable after midnight.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 98 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 98. Heat index values as high as 107. East wind 8 to 11 mph.
Tonight
Mostly clear, with a low around 77. East southeast wind 8 to 13 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.
Labor Day
A 50 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Sunny, with a high near 96. Heat index values as high as 105. Calm wind becoming east 5 to 9 mph in the afternoon.
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. Mostly clear, 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. Mostly sunny, with a high near 94. Light and variable wind becoming northeast 5 to 9 mph in the morning. Chance of precipitation is 70%.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. East northeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Light and variable wind becoming east northeast 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 73. East wind 5 to 9 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 98. Calm wind becoming east 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Light southeast wind increasing to 5 to 10 mph in the morning.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 77.
Saturday
A 50 percent chance of showers and thunderstorms. Partly 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:
1:00 pm CDT Aug 31, 2025
Forecast Valid:
1pm CDT Aug 31, 2025-6pm CDT Sep 6, 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