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New: October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions in focus

Current conditions at

Mid Valley Airport (KTXW)

Lat: 26.18°NLon: 97.97°WElev: 70ft.

Partly Cloudy

87°F

31°C

Humidity	54%
Wind Speed	NE 12 mph
Barometer	29.85 in
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	6 Oct 5:35 pm CDT

More Information:

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

Extended Forecast for

2 Miles SE Mercedes TX

Tonight
Low: 74 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 92 °F
Slight Chance
T-storms then
Showers
Likely
Wednesday Night
Low: 73 °F
Chance
Showers
Thursday
High: 92 °F
Showers
Likely
Thursday Night
Low: 72 °F
Mostly Clear
Friday
High: 92 °F
Sunny then
Chance
Showers
Friday Night
Low: 71 °F
Mostly Clear
Saturday
High: 90 °F
Sunny
Saturday Night
Low: 72 °F
Partly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. North northeast wind 5 to 10 mph becoming light north. Winds could gust as high as 22 mph.

Wednesday

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. Mostly sunny, with a high near 92. North wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly clear, with a low around 73. Northeast wind 5 to 9 mph becoming light north northeast. Winds could gust as high as 20 mph.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 92. North northeast wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Thursday Night

Mostly clear, with a low around 72. Northeast wind 5 to 9 mph becoming light north northeast. Winds could gust as high as 21 mph.

Friday

A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. North wind 8 to 11 mph, with gusts as high as 24 mph.

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

Sunny, with a high near 90. North wind 6 to 8 mph.

Saturday Night

Partly cloudy, with a low around 72. Northeast wind around 6 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. Partly cloudy, with a low around 75. East southeast wind 5 to 9 mph becoming light. Winds could gust as high as 21 mph.

Columbus Day

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

Monday Night

Partly cloudy, with a low around 76.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.