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: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 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 chance of showers and thunderstorms between noon and 4pm. Sunny, with a high near 95. North northeast wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Clear, with a low around 72. Northeast wind 5 to 10 mph becoming light north northeast. Winds could gust as high as 22 mph.

    Low: 72 °F

    Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Sunny, with a high near 92. North wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. North northeast wind 5 to 9 mph becoming calm. Winds could gust as high as 20 mph.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 93. North wind 6 to 8 mph.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. East northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Calm wind becoming east southeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 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 chance of showers and thunderstorms between noon and 4pm. Sunny, with a high near 95. North northeast wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
Clear, with a low around 72. Northeast wind 5 to 10 mph becoming light north northeast. Winds could gust as high as 22 mph.
Friday
A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Sunny, with a high near 92. North wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 71. North northeast wind 5 to 9 mph becoming calm. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 93. North wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 72. East northeast wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 92. Calm wind becoming east southeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Columbus Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southeast wind 5 to 10 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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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:
12:18 pm CDT Oct 7, 2026
Forecast Valid:
12pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation