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.

Partly Cloudy

90°F

32°C

Humidity 62%
Wind Speed S 18 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 6 Aug 10:52 am CDT
Extended Forecast for

Palm Valley TX

  • Today

    Today: Sunny and hot, with a high near 100. Heat index values as high as 110. South southeast wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 78. Southeast wind 6 to 16 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny, with a high near 97. Heat index values as high as 108. Southeast wind 5 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. East southeast wind 9 to 14 mph becoming light southeast after midnight. Winds could gust as high as 22 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Light east wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. East wind 8 to 13 mph becoming light southeast after midnight. Winds could gust as high as 21 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Light east wind becoming east southeast 6 to 11 mph in the afternoon.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South southeast wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 98. South southeast wind 5 to 15 mph, with gusts as high as 23 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 110. South southeast wind 11 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 78. Southeast wind 6 to 16 mph, with gusts as high as 25 mph.
Friday
A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny, with a high near 97. Heat index values as high as 108. Southeast wind 5 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 76. East southeast wind 9 to 14 mph becoming light southeast after midnight. Winds could gust as high as 22 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Light east wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 77. East wind 8 to 13 mph becoming light southeast after midnight. Winds could gust as high as 21 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Light east wind becoming east southeast 6 to 11 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 78. South southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 98. South southeast wind 5 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 78. Southeast wind 9 to 16 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 99. Southeast wind 9 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny and hot, with a high near 100. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Palm Valley TX
 26.21°N 97.75°W
Last Update:
11:18 am CDT Aug 6, 2026
Forecast Valid:
11am CDT Aug 6, 2026-6pm CDT Aug 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation