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
Hazardous Weather Conditions
Current conditions at
Mid Valley Airport (KTXW)
Lat: 26.18°NLon: 97.97°WElev: 70ft.
Fog/Mist
83°F
28°C
| Humidity | 91% |
| Wind Speed | S 9 mph |
| Barometer | 29.65 in |
| Dewpoint | 80°F (27°C) |
| Visibility | 4.00 mi |
| Heat Index | 95°F (35°C) |
| Last update | 17 Jun 11:55 pm CDT |
Extended Forecast for
Weslaco TX
Extreme Heat Warning June 18, 11:00am until June 18, 08:00pm
Overnight

Low: 80 °F
Mostly Clear
Thursday

High: 100 °F
Hot
Thursday Night

Low: 81 °F
Mostly Clear
Juneteenth

High: 97 °F
Partly Sunny
Friday Night

Low: 82 °F
Mostly Cloudy
Saturday

High: 95 °F
Partly Sunny
Saturday Night

Low: 81 °F
Partly Cloudy
Sunday

High: 96 °F
Mostly Sunny
Sunday Night
Low: 80 °F
Mostly Clear
and Breezy
then Partly
Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 80. South southeast wind 11 to 13 mph, with gusts as high as 25 mph.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 122. South southeast wind around 14 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 81. South southeast wind 13 to 16 mph, with gusts as high as 30 mph.
Juneteenth
Partly sunny, with a high near 97. Heat index values as high as 113. South southeast wind around 15 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 82. Southeast wind 10 to 15 mph, with gusts as high as 26 mph.
Saturday
Partly sunny, with a high near 95. Southeast wind 10 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 81. Southeast wind around 14 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 96. South southeast wind 15 to 17 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 80. Breezy, with a south southeast wind 16 to 18 mph, with gusts as high as 33 mph.
Monday
Sunny, with a high near 97. South southeast wind around 17 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 80. Southeast wind 10 to 16 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Mostly sunny, with a high near 97.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
Weslaco TX
26.16°N 98°W
26.16°N 98°W
12:00 am CDT Jun 18, 2026
12am CDT Jun 18, 2026-6pm CDT Jun 24, 2026



