News Headlines
- New: Spring 2026 RGV Weather and Climate Summary - Worst Drought Since 2013 is Quenched by April and May Rains
- New: Summer (June-August) Outlook - Wet Periods into June before Heat Rebuilds and Dryness/Drought Returns
- 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
- We're Hiring! If You're a Budding Meteorologist Looking for a Fulfilling Career, Apply Today to Join Our Team
Current conditions at
Mid Valley Airport (KTXW)
Lat: 26.18°NLon: 97.97°WElev: 70ft.
Mostly Cloudy
93°F
34°C
| Humidity | 55% |
| Wind Speed | S 15 mph |
| Barometer | 30.04 in |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 104°F (40°C) |
| Last update | 23 Jun 3:15 pm CDT |
Extended Forecast for
3 Miles NNE Mercedes TX
This Afternoon
High: 94 °F
Sunny
Tonight
Low: 76 °F
Mostly Clear
Wednesday
High: 94 °F
Sunny
Wednesday Night
Low: 76 °F
Increasing
CloudsThursday
High: 94 °F
Mostly Sunny
then Sunny
and BreezyThursday Night
Low: 78 °F
Clear and
Breezy then
Partly CloudyFriday
High: 95 °F
Sunny and
BreezyFriday Night
Low: 78 °F
Clear and
Breezy then
ClearSaturday
High: 94 °F
Sunny and
Breezy
Detailed Forecast
This Afternoon
Sunny, with a high near 94. Heat index values as high as 105. Southeast wind around 16 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 76. Southeast wind 8 to 15 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 16 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 94. Breezy, with a south southeast wind 9 to 18 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 78. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 95. Breezy, with a south southeast wind 13 to 21 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 21 mph, with gusts as high as 33 mph.
Saturday Night
Clear, with a low around 78. Breezy, with a southeast wind 15 to 21 mph, with gusts as high as 34 mph.
Sunday
Sunny, with a high near 94. Breezy, with a south southeast wind 16 to 22 mph, with gusts as high as 36 mph.
Sunday Night
Mostly clear, with a low around 78. Breezy.
Monday
Sunny, with a high near 94. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Mercedes TX
26.19°N 97.9°W
26.19°N 97.9°W
3:18 pm CDT Jun 23, 2026
3pm CDT Jun 23, 2026-6pm CDT Jun 29, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
