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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Mercedes TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 89. North wind around 8 mph.

    High: 89 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 66. East northeast wind 6 to 11 mph becoming light and variable after midnight.

    Low: 66 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 90. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 66. East wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 66 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 93. Light south southeast wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 93 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Southeast wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 92. Southeast wind 8 to 16 mph, with gusts as high as 28 mph.

    High: 92 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. Southeast wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 93. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 31 mph.

    High: 93 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 89. North wind around 8 mph.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 66. East northeast wind 6 to 11 mph becoming light and variable after midnight.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 90. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon.
Wednesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 66. East wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 93. Light south southeast wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 71. Southeast wind 8 to 15 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 92. Southeast wind 8 to 16 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 74. Southeast wind 10 to 16 mph, with gusts as high as 28 mph.
Saturday
Partly sunny, with a high near 93. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 31 mph.
Saturday Night
Mostly cloudy, with a low around 78. Breezy, with a southeast wind 15 to 18 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, with a high near 94. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 80. Breezy.
Monday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 95. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mercedes TX
 26.14°N 97.93°W
Last Update:
12:00 pm CDT May 12, 2026
Forecast Valid:
12pm CDT May 12, 2026-6pm CDT May 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation