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- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas
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Current conditions at
Mid Valley Airport (KTXW)
Lat: 26.18°NLon: 97.97°WElev: 70ft.
Fair
93°F
34°C
| Humidity | 48% |
| Wind Speed | S 16 G 22 mph |
| Barometer | 30.03 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 100°F (38°C) |
| Last update | 23 Jun 6:15 pm CDT |
Extended Forecast for
Mercedes TX
Tonight
Low: 77 °F
Mostly Clear
Wednesday
High: 94 °F
Sunny
Wednesday Night
Low: 76 °F
Increasing
CloudsThursday
High: 94 °F
Becoming
SunnyThursday Night
Low: 78 °F
Mostly Clear
Friday
High: 95 °F
Sunny then
Sunny and
BreezyFriday Night
Low: 78 °F
Clear and
Breezy then
ClearSaturday
High: 94 °F
Sunny and
BreezySaturday Night
Low: 78 °F
Clear and
Breezy then
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 77. Southeast wind 8 to 16 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 94. South southeast wind 8 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Increasing clouds, with a low around 76. Southeast wind 9 to 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 94. South southeast wind 9 to 17 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 78. Southeast wind 11 to 17 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 95. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 32 mph.
Friday Night
Clear, with a low around 78. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 94. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 33 mph.
Saturday Night
Clear, with a low around 78. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 34 mph.
Sunday
Sunny, with a high near 94. Breezy, with a south southeast wind 15 to 21 mph, with gusts as high as 36 mph.
Sunday Night
Mostly clear, with a low around 78. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 34 mph.
Monday
Sunny, with a high near 93. Breezy.
Monday Night
Mostly clear, with a low around 78. Breezy.
Tuesday
Sunny, with a high near 94.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mercedes TX
26.16°N 97.93°W
26.16°N 97.93°W
6:45 pm CDT Jun 23, 2026
6pm CDT Jun 23, 2026-6pm CDT Jun 30, 2026
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