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 and Breezy

88°F

31°C

Humidity 51%
Wind Speed SE 21 G 26 mph
Barometer 29.90 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 20 Nov 12:55 pm CST
Extended Forecast for

Mercedes TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. Breezy, with a south southeast wind 16 to 18 mph, with gusts as high as 32 mph.

    High: 90 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 72. South southeast wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 90. South southeast wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 90 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly sunny, with a high near 90. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 90 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Southeast wind 8 to 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 89. South southeast wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 89 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. Southeast wind 14 to 16 mph, with gusts as high as 30 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90. South wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. Breezy, with a south southeast wind 16 to 18 mph, with gusts as high as 32 mph.
Tonight
Partly cloudy, with a low around 72. South southeast wind 10 to 14 mph, with gusts as high as 26 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 90. South southeast wind 9 to 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 72. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday
A 50 percent chance of showers. Mostly sunny, with a high near 90. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 72. Southeast wind 8 to 10 mph.
Sunday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 89. South southeast wind 8 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 73. Southeast wind 14 to 16 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 90. South wind 11 to 17 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 67. South southeast wind 6 to 10 mph becoming west southwest after midnight.
Tuesday
Mostly sunny, with a high near 88. West wind 6 to 8 mph becoming east in the afternoon.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 66.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 80.
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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:
1:00 pm CST Nov 20, 2025
Forecast Valid:
1pm CST Nov 20, 2025-6pm CST Nov 26, 2025
 
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Additional Resources

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Chance of Precipitation