News Headlines
- New: August-October 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected To Continue; Could Turn Wetter Towards The Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- Notice: Rio Grande City NOAA Weather Radio Remains Out of Service Until Further Notice
- 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
Current conditions at
Mid Valley Airport (KTXW)
Lat: 26.18°NLon: 97.97°WElev: 70ft.
Fair
82°F
28°C
| Humidity | 85% |
| Wind Speed | S 6 mph |
| Barometer | 29.86 in |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 2 Aug 4:15 am CDT |
Extended Forecast for
2 Miles E Mercedes TX
Today
High: 104 °F
Sunny then
Slight Chance
T-stormsTonight
Low: 78 °F
Mostly Clear
Monday
High: 101 °F
Hot
Monday Night
Low: 79 °F
Mostly Clear
Tuesday
High: 100 °F
Hot
Tuesday Night
Low: 79 °F
Mostly Clear
Wednesday
High: 100 °F
Hot
Wednesday Night
Low: 79 °F
Mostly Clear
Thursday
High: 100 °F
Sunny then
Slight Chance
T-storms
Detailed Forecast
Today
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 104. Heat index values as high as 112. South wind 5 to 11 mph becoming east in the afternoon.
Tonight
Mostly clear, with a low around 78. East southeast wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 21 mph.
Monday
Sunny and hot, with a high near 101. Heat index values as high as 108. South southeast wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 79. South southeast wind 9 to 16 mph, with gusts as high as 26 mph.
Tuesday
Sunny and hot, with a high near 100. South southeast wind 9 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 79. Southeast wind 8 to 16 mph, with gusts as high as 28 mph.
Wednesday
Sunny and hot, with a high near 100. Southeast wind 8 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 79. Southeast wind 7 to 16 mph, with gusts as high as 26 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Southeast wind 6 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 78. Southeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98. Light southeast wind becoming east southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 78.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles E Mercedes TX
26.16°N 97.9°W
26.16°N 97.9°W
4:30 am CDT Aug 2, 2026
4am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
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