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New: April-June 2026 Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues are in focus

Current conditions at

Mid Valley Airport (KTXW)

Lat: 26.18°NLon: 97.97°WElev: 70ft.

Overcast

60°F

16°C

Humidity	72%
Wind Speed	NW 9 mph
Barometer	30.25 in
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Last update	6 Apr 8:35 am CDT

More Information:

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

Extended Forecast for

Mercedes TX

Today
High: 72 °F
Slight Chance
Showers then
Partly Sunny
Tonight
Low: 54 °F
Partly Cloudy
Tuesday
High: 78 °F
Mostly Sunny
Tuesday Night
Low: 64 °F
Slight Chance
Showers
Wednesday
High: 82 °F
Chance
Showers
Wednesday Night
Low: 67 °F
Slight Chance
Showers then
Slight Chance
T-storms
Thursday
High: 83 °F
Chance
T-storms
Thursday Night
Low: 68 °F
Chance
T-storms
Friday
High: 84 °F
Chance
T-storms

Detailed Forecast

Today

A slight chance of showers between 9am and 11am. Mostly cloudy, with a high near 72. North northwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Tonight

Partly cloudy, with a low around 54. North northeast wind 5 to 8 mph becoming calm in the evening.

Tuesday

Mostly sunny, with a high near 78. Light and variable wind becoming east 5 to 9 mph in the morning.

Tuesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 64. East wind 5 to 10 mph becoming light east southeast after midnight.

Wednesday

A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 82. Light east southeast wind increasing to 5 to 9 mph in the morning.

Wednesday Night

A slight chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 67. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 83. East southeast wind 5 to 11 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East southeast wind 5 to 11 mph.

Friday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. East southeast wind 5 to 13 mph, with gusts as high as 20 mph.

Friday Night

Mostly cloudy, with a low around 70. East southeast wind 7 to 13 mph, with gusts as high as 20 mph.

Saturday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 8 to 16 mph, with gusts as high as 28 mph.

Saturday Night

Mostly cloudy, with a low around 72.

Sunday

Partly sunny, with a high near 89. Breezy.