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New: November-January 2026 Outlook - Drier and Warmer than Normal Conditions Expected; Drought, Wildfire Potential, and Water Supply Issues Persist

Current conditions at

Mid Valley Airport (KTXW)

Lat: 26.18°NLon: 97.97°WElev: 70ft.

Fair

87°F

31°C

Humidity	40%
Wind Speed	S 17 G 25 mph
Barometer	29.90 in
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	1 Nov 1:15 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Mercedes TX

This Afternoon
High: 88 °F
Sunny
Tonight
Low: 61 °F
Chance
T-storms
Sunday
High: 81 °F
Sunny
Sunday Night
Low: 56 °F
Clear
Monday
High: 83 °F
Sunny
Monday Night
Low: 58 °F
Clear
Tuesday
High: 86 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 88 °F
Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 88. South southeast wind 10 to 14 mph, with gusts as high as 24 mph.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. East southeast wind 6 to 13 mph becoming north in the evening. Winds could gust as high as 25 mph.

Sunday

Sunny, with a high near 81. North wind 13 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Clear, with a low around 56. Northeast wind 5 to 10 mph becoming light in the evening.

Monday

Sunny, with a high near 83. Light north northeast wind becoming east 5 to 9 mph in the morning.

Monday Night

Clear, with a low around 58. East wind 5 to 10 mph becoming light in the evening.

Tuesday

Sunny, with a high near 86. East southeast wind 3 to 8 mph.

Tuesday Night

Mostly clear, with a low around 62. Southeast wind 5 to 10 mph.