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

Mid Valley Airport (KTXW)

Lat: 26.18°NLon: 97.97°WElev: 70ft.

Fair

100°F

38°C

Humidity 36%
Wind Speed S 12 G 23 mph
Barometer 29.86 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 13 Aug 3:55 pm CDT
Extended Forecast for

Weslaco TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 101. Heat index values as high as 107. Southeast wind around 11 mph, with gusts as high as 20 mph.

    High: 101 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Clear, with a low around 79. South southeast wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 79 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Heat index values as high as 107. South southeast wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. Southeast wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 95. Southeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 95 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 81. East southeast wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 81 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 98. Southeast wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 98 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 78. Southeast wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 78 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 99. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 99 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 101. Heat index values as high as 107. Southeast wind around 11 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 79. South southeast wind 8 to 14 mph, with gusts as high as 24 mph.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 107. South southeast wind 7 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 79. Southeast wind 7 to 14 mph, with gusts as high as 24 mph.
Friday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 95. Southeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 81. East southeast wind 7 to 14 mph, with gusts as high as 23 mph.
Saturday
A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 98. Southeast wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 78. Southeast wind 6 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 99. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 77. Southeast wind 5 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 99. Light east southeast wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weslaco TX
 26.16°N 98°W
Last Update:
4:00 pm CDT Aug 13, 2025
Forecast Valid:
4pm CDT Aug 13, 2025-6pm CDT Aug 19, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation