Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Partly Cloudy

98°F

37°C

Humidity 45%
Wind Speed SE 15 G 30 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 13 Sep 11:52 am CDT
Extended Forecast for

Palm Valley TX

Heat Advisory until September 13, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 13, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 99 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 79. Southeast wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 100. Heat index values as high as 111. Southeast wind 7 to 17 mph, with gusts as high as 28 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. South southeast wind 9 to 16 mph, with gusts as high as 28 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. South southeast wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Southeast wind 11 to 16 mph becoming light  after midnight. Winds could gust as high as 26 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 99. Light east southeast wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. East wind 6 to 11 mph becoming light  in the evening. Winds could gust as high as 21 mph.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 99. Heat index values as high as 110. South southeast wind around 16 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 79. Southeast wind 8 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny and hot, with a high near 100. Heat index values as high as 111. Southeast wind 7 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 78. South southeast wind 9 to 16 mph, with gusts as high as 28 mph.
Tuesday
Sunny and hot, with a high near 100. South southeast wind 8 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 77. Southeast wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 26 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 99. Light east southeast wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 77. East wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 21 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98. Light north northeast wind becoming east northeast 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 77. East wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 21 mph.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97. Light north northeast wind becoming east northeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 75.
Saturday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Palm Valley TX
 26.21°N 97.75°W
12:00 pm CDT Sep 13, 2026
12pm CDT Sep 13, 2026-6pm CDT Sep 19, 2026
 
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Additional Resources

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