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.

Overcast

80°F

27°C

Humidity 80%
Wind Speed NE 8 mph
Barometer 29.93 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 7 Oct 12:15 pm CDT
Extended Forecast for

Mercedes TX

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 92. North northeast wind around 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 92 °F

    Showers
    Likely

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. North northeast wind 5 to 9 mph becoming light north. Winds could gust as high as 21 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 95. Northeast wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Northeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. North wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. Northeast wind 5 to 9 mph becoming calm. Winds could gust as high as 21 mph.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. North northeast wind 5 to 8 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Southeast wind 3 to 7 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 90. Light east southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 92. North northeast wind around 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. North northeast wind 5 to 9 mph becoming light north. Winds could gust as high as 21 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 95. Northeast wind 8 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 73. Northeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 89. North wind 8 to 13 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 71. Northeast wind 5 to 9 mph becoming calm. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 96. North northeast wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 72. Southeast wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 90. Light east southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 75. East southeast wind 5 to 10 mph, with gusts as high as 21 mph.
Columbus Day
Mostly sunny, with a high near 93. Southeast wind 5 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mercedes TX
 26.16°N 97.93°W
Last Update:
1:30 pm CDT Oct 7, 2026
Forecast Valid:
1pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation