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.

Partly Cloudy

91°F

33°C

Humidity 61%
Wind Speed SE 17 mph
Barometer 29.85 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 23 Sep 6:35 pm CDT
Extended Forecast for

Weslaco TX

  • Tonight

    Tonight: Mostly clear, with a low around 79. Southeast wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Heat index values as high as 107. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 78. South southeast wind 6 to 10 mph.

    Low: 78 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 94. East southeast wind 5 to 8 mph becoming northeast in the afternoon. Chance of precipitation is 80%.

    High: 94 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. East northeast wind around 6 mph becoming light and variable in the evening.

    Low: 75 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. East northeast wind 5 to 8 mph.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. East southeast wind 3 to 8 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Light east northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 72. East wind 5 to 10 mph becoming light after midnight.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 79. Southeast wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Heat index values as high as 107. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 78. South southeast wind 6 to 10 mph.
Thursday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 94. East southeast wind 5 to 8 mph becoming northeast in the afternoon. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. East northeast wind around 6 mph becoming light and variable in the evening.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. East northeast wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 73. East southeast wind 3 to 8 mph.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Light east northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 72. East wind 5 to 10 mph becoming light after midnight.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. East northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72. East wind 5 to 10 mph becoming light.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 73.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weslaco TX
 26.16°N 97.98°W
Last Update:
6:30 pm CDT Sep 23, 2025
Forecast Valid:
6pm CDT Sep 23, 2025-6pm CDT Sep 30, 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