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- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: July-September 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected; Heat Risk And Water Supply Issues To Remain In Focus
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
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- The 2026 Hurricane Season is Here! Are You Ready? Know Your Risk, Check Your Plans, Restock Your Kits, and More
Current conditions at
Mid Valley Airport (KTXW)
Lat: 26.18°NLon: 97.97°WElev: 70ft.
Mostly Cloudy
91°F
33°C
| Humidity | 56% |
| Wind Speed | S 14 mph |
| Barometer | 30.05 in |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 100°F (38°C) |
| Last update | 7 Jul 11:15 am CDT |
Extended Forecast for
Mercedes TX
Today
High: 97 °F
Sunny
Tonight
Low: 77 °F
Mostly Clear
Wednesday
High: 97 °F
Sunny then
Slight Chance
T-stormsWednesday Night
Low: 76 °F
Mostly Clear
Thursday
High: 95 °F
Sunny then
Slight Chance
T-stormsThursday Night
Low: 77 °F
Partly Cloudy
Friday
High: 94 °F
Chance
T-stormsFriday Night
Low: 79 °F
Mostly Cloudy
Saturday
High: 95 °F
Partly Sunny
then Slight
Chance
T-storms
Detailed Forecast
Today
Sunny, with a high near 97. Southeast wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 77. Southeast wind 7 to 15 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 97. South southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 76. South southeast wind 6 to 15 mph, with gusts as high as 25 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South southeast wind 6 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 77. Southeast wind 8 to 16 mph, with gusts as high as 25 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 94. South southeast wind 8 to 16 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 79. Southeast wind 8 to 16 mph, with gusts as high as 26 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. Southeast wind 9 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 79. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 97. Southeast wind 7 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 78.
Monday
Mostly sunny, with a high near 97.
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
11:30 am CDT Jul 7, 2026
11am CDT Jul 7, 2026-6pm CDT Jul 13, 2026
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