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

71°F

22°C

Humidity 95%
Wind Speed SE 7 mph
Barometer 29.97 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 27 Dec 7:55 am CST
Extended Forecast for

Mercedes TX

  • Today

    Today: Sunny, with a high near 86. Breezy, with a south southeast wind 10 to 18 mph, with gusts as high as 30 mph.

    High: 86 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 26 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. South southeast wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 54. South southeast wind 6 to 13 mph becoming northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

    Low: 54 °F

    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly cloudy, with a temperature rising to near 61 by 10am, then falling to around 54 during the remainder of the day. Breezy, with a north wind 14 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.

    High: 61 °F⇓

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Cloudy, with a low around 44. North wind 13 to 17 mph, with gusts as high as 29 mph.

    Low: 44 °F

    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. North wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. North wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 86. Breezy, with a south southeast wind 10 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 87. South southeast wind 10 to 16 mph, with gusts as high as 28 mph.
Sunday Night
A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 54. South southeast wind 6 to 13 mph becoming northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a temperature rising to near 61 by 10am, then falling to around 54 during the remainder of the day. Breezy, with a north wind 14 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Monday Night
Cloudy, with a low around 44. North wind 13 to 17 mph, with gusts as high as 29 mph.
Tuesday
Partly sunny, with a high near 57. North wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 39. North wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 68. Calm wind becoming south southeast around 6 mph in the afternoon.
Wednesday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 51. Southeast wind 3 to 6 mph.
New Year's Day
Patchy fog. Otherwise, mostly sunny, with a high near 76. Light south southeast wind becoming south 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 60.
Friday
Mostly 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:
8:15 am CST Dec 27, 2025
Forecast Valid:
8am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation