News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- 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
- 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
Current conditions at
Mid Valley Airport (KTXW)
Lat: 26.18°NLon: 97.97°WElev: 70ft.
Fair and Breezy
97°F
36°C
| Humidity | 37% |
| Wind Speed | SE 21 G 31 mph |
| Barometer | 29.94 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 101°F (38°C) |
| Last update | 12 Aug 1:55 pm CDT |
Extended Forecast for
Weslaco TX
This Afternoon

High: 100 °F
Hot
Tonight

Low: 80 °F
Mostly Clear
Thursday

High: 100 °F
Hot
Thursday Night

Low: 80 °F
Mostly Clear
Friday

High: 99 °F
Sunny
Friday Night

Low: 80 °F
Mostly Clear
Saturday

High: 99 °F
Mostly Sunny
Saturday Night

Low: 79 °F
Mostly Clear
Sunday

High: 99 °F
Sunny
Detailed Forecast
This Afternoon
Sunny and hot, with a high near 100. Heat index values as high as 106. South southeast wind around 17 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 80. South southeast wind 11 to 17 mph, with gusts as high as 30 mph.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 108. South southeast wind 11 to 17 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 80. Southeast wind 10 to 17 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 99. South southeast wind 10 to 16 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 80. South southeast wind 9 to 16 mph, with gusts as high as 29 mph.
Saturday
Mostly sunny, with a high near 99. Southeast wind 9 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 79. East southeast wind 5 to 14 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 99. Light east southeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 78. East southeast wind 9 to 14 mph becoming light southeast after midnight. Winds could gust as high as 23 mph.
Monday
Sunny, with a high near 99. Light east southeast wind increasing to 6 to 11 mph in the morning.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Sunny, with a high near 99.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Weslaco TX
26.16°N 97.98°W
26.16°N 97.98°W
2:00 pm CDT Aug 12, 2026
2pm CDT Aug 12, 2026-6pm CDT Aug 18, 2026


