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

76°F

24°C

Humidity 81%
Wind Speed SE 8 mph
Barometer 29.93 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 17 Nov 10:15 pm CST
Extended Forecast for

Mercedes TX

  • Tonight

    Tonight: Partly cloudy, with a low around 72. South southeast wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 91. South southeast wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. South southeast wind 9 to 17 mph, with gusts as high as 29 mph.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. Southeast wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 89. Breezy, with a south southeast wind 11 to 18 mph, with gusts as high as 32 mph.

    High: 89 °F

    Slight Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. South southeast wind 8 to 14 mph, with gusts as high as 28 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. South southeast wind 8 to 10 mph.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers. Partly cloudy, with a low around 70. Southeast wind 6 to 9 mph.

    Low: 70 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 72. South southeast wind 10 to 14 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 91. South southeast wind 10 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 72. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 91. South southeast wind 9 to 17 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 72. Southeast wind 11 to 14 mph, with gusts as high as 28 mph.
Thursday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 89. Breezy, with a south southeast wind 11 to 18 mph, with gusts as high as 32 mph.
Thursday Night
Mostly clear, with a low around 72. South southeast wind 8 to 14 mph, with gusts as high as 28 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. South southeast wind 8 to 10 mph.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 70. Southeast wind 6 to 9 mph.
Saturday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 86. East southeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 67. East southeast wind 7 to 10 mph.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mercedes TX
 26.14°N 97.93°W
Last Update:
10:18 pm CST Nov 17, 2025
Forecast Valid:
10pm CST Nov 17, 2025-6pm CST Nov 24, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation