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- New: May-July 2026 Outlook: Hotter than normal temperatures are favored to continue into the upcoming summer season; precipitation remains a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues remain in focus
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
Tonight
Low: 79 °F
Mostly Cloudy
Sunday
High: 94 °F
Mostly Cloudy
and BreezySunday Night
Low: 80 °F
Mostly Cloudy
and BreezyMonday
High: 96 °F
Mostly Sunny
and BreezyMonday Night
Low: 80 °F
Mostly Cloudy
and BreezyTuesday
High: 96 °F
Partly Sunny
Tuesday Night
Low: 79 °F
Chance
T-stormsWednesday
High: 94 °F
Chance
T-stormsWednesday Night
Low: 78 °F
Partly Cloudy
then Slight
Chance
T-storms
Detailed Forecast
Tonight
Mostly cloudy, with a low around 79. Southeast wind 15 to 17 mph, with gusts as high as 31 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, with a southeast wind 16 to 21 mph, with gusts as high as 36 mph.
Monday
Mostly sunny, with a high near 96. Heat index values as high as 108. Breezy, with a south southeast wind 17 to 20 mph, with gusts as high as 32 mph.
Monday Night
Mostly cloudy, with a low around 80. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 36 mph.
Tuesday
Partly sunny, with a high near 96. Southeast wind around 16 mph, with gusts as high as 28 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79. South southeast wind 10 to 15 mph, with gusts as high as 26 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 94. Southeast wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. Southeast wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. Southeast wind 7 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southeast wind 5 to 11 mph.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mercedes TX
26.14°N 97.93°W
26.14°N 97.93°W
5:00 pm CDT May 16, 2026
5pm CDT May 16, 2026-6pm CDT May 23, 2026
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