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
83°F
28°C
| Humidity | 85% |
| Wind Speed | S 8 mph |
| Barometer | 29.86 in |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 93°F (34°C) |
| Last update | 2 Aug 3:15 am CDT |
Extended Forecast for
2 Miles WNW Mercedes TX
Overnight
Low: 79 °F
Mostly Clear
Sunday
High: 104 °F
Sunny then
Slight Chance
T-stormsSunday Night
Low: 78 °F
Mostly Clear
Monday
High: 102 °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
Detailed Forecast
Overnight
Mostly clear, with a low around 79. South wind around 8 mph, with gusts as high as 21 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 104. Heat index values as high as 111. East wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 78. East wind 6 to 11 mph becoming south in the evening. Winds could gust as high as 20 mph.
Monday
Sunny and hot, with a high near 102. Heat index values as high as 108. South southeast wind 6 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 79. South southeast wind 9 to 15 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. South 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 15 mph, with gusts as high as 25 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 79. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98.
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
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles WNW Mercedes TX
26.16°N 97.95°W
26.16°N 97.95°W
3:30 am CDT Aug 2, 2026
3am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
