News Headlines
- Rapid-Onset (Flash) Drought Continues to Worsen Across the RGV/Deep S. Texas Ranchlands. Click Here for Details.
- RGV Summer (June-August) Weather and Climate Summary - Early Rain Gives Way to Brutal El Nino-Driven Heat, Drought
- New: September-November 2026 Outlook - Warmer Than Normal Conditions Favored; Precipitation A Toss-Up, But Could Trend Wetter Later This Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- The 2026 Atlantic Hurricane Season is Fading...but is not Over Yet. Are You Ready? Know Your Risk, Check Your Plans, Restock Your Kits, and More
Current conditions at
Mid Valley Airport (KTXW)
Lat: 26.18°NLon: 97.97°WElev: 70ft.
Fair
92°F
33°C
| Humidity | 51% |
| Wind Speed | E 16 mph |
| Barometer | 29.87 in |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 99°F (37°C) |
| Last update | 22 Sep 6:35 pm CDT |
Extended Forecast for
Weslaco TX
Tonight

Low: 78 °F
Mostly Clear
Wednesday
High: 96 °F
Chance
Showers then
Chance
T-stormsWednesday Night

Low: 78 °F
Mostly Clear
Thursday

High: 97 °F
Showers
LikelyThursday Night
Low: 78 °F
Mostly Clear
then Slight
Chance
T-stormsFriday
High: 97 °F
Chance
Showers then
Chance
T-stormsFriday Night

Low: 77 °F
Partly Cloudy
Saturday
High: 97 °F
Mostly Sunny
then Chance
T-stormsSaturday Night

Low: 77 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 78. East wind 8 to 13 mph becoming light east southeast in the evening. Winds could gust as high as 23 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 106. Light north northeast wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Wednesday Night
Mostly clear, with a low around 78. East wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 22 mph.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 105. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Thursday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly clear, with a low around 78. East wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 97. Light northeast wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 77. East wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Calm wind becoming east 5 to 9 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 77. East wind 5 to 10 mph becoming light east southeast after midnight. Winds could gust as high as 21 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Calm wind becoming east southeast 5 to 9 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 78. Southeast wind 5 to 11 mph, with gusts as high as 22 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.
Monday Night
Partly cloudy, with a low around 79.
Tuesday
Mostly 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
6:30 pm CDT Sep 22, 2026
6pm CDT Sep 22, 2026-6pm CDT Sep 29, 2026


