News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- 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
- 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
Hazardous Weather Conditions
Current conditions at
Mid Valley Airport (KTXW)
Lat: 26.18°NLon: 97.97°WElev: 70ft.
Fair
97°F
36°C
| Humidity | 42% |
| Wind Speed | S 14 G 18 mph |
| Barometer | 30.02 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 104°F (40°C) |
| Last update | 21 Aug 12:55 pm CDT |
Extended Forecast for
Weslaco TX
This Afternoon

High: 101 °F
Hot
Tonight

Low: 78 °F
Partly Cloudy
Saturday

High: 103 °F
Hot
Saturday Night

Low: 77 °F
Mostly Clear
Sunday

High: 102 °F
Hot
Sunday Night

Low: 78 °F
Mostly Clear
Monday

High: 101 °F
Hot
Monday Night

Low: 78 °F
Mostly Clear
Tuesday

High: 101 °F
Hot
Detailed Forecast
This Afternoon
Mostly sunny and hot, with a high near 101. Heat index values as high as 106. South southeast wind around 14 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 78. South southeast wind 8 to 14 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny and hot, with a high near 103. Heat index values as high as 106. South southeast wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 77. South southeast wind 6 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny and hot, with a high near 102. South southeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 78. Southeast wind 7 to 14 mph, with gusts as high as 23 mph.
Monday
Sunny and hot, with a high near 101. Southeast wind 5 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 78. Southeast wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday
Sunny and hot, with a high near 101. South southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 78. Southeast wind 8 to 15 mph, with gusts as high as 26 mph.
Wednesday
Sunny and hot, with a high near 101. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Sunny and hot, with a high near 101.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Weslaco TX
26.16°N 97.98°W
26.16°N 97.98°W
1:15 pm CDT Aug 21, 2026
1pm CDT Aug 21, 2026-6pm CDT Aug 27, 2026



