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

86°F

30°C

Humidity 63%
Wind Speed NE 7 mph
Barometer 29.96 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 3 Oct 4:15 pm CDT
Extended Forecast for

Mercedes TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 93. East northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 72. East northeast wind 5 to 10 mph becoming light and variable.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny, with a high near 92. North northwest wind 6 to 10 mph becoming east northeast in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 72. East northeast wind 5 to 10 mph becoming light and variable in the evening.

    Low: 72 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Light and variable wind becoming east northeast 5 to 8 mph in the morning.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 74. East wind 5 to 10 mph becoming light southeast after midnight.

    Low: 74 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 95. Light east southeast wind becoming east 5 to 9 mph in the morning.

    High: 95 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. East wind 5 to 10 mph becoming light east southeast after midnight.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Light east northeast wind becoming east 5 to 10 mph in the morning.

    High: 94 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 93. East northeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 72. East northeast wind 5 to 10 mph becoming light and variable.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny, with a high near 92. North northwest wind 6 to 10 mph becoming east northeast in the afternoon.
Saturday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 72. East northeast wind 5 to 10 mph becoming light and variable in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Light and variable wind becoming east northeast 5 to 8 mph in the morning.
Sunday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 74. East wind 5 to 10 mph becoming light southeast after midnight.
Monday
A 20 percent chance of showers after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 95. Light east southeast wind becoming east 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 74. East wind 5 to 10 mph becoming light east southeast after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Light east northeast wind becoming east 5 to 10 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. East wind 5 to 10 mph becoming light east northeast.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. North northeast wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 74.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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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:
4:30 pm CDT Oct 3, 2025
Forecast Valid:
4pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation