News Headlines
- New: 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
- Rapid-Onset (Flash) Drought Continues to Increase Across the RGV/Deep S. Texas Ranchlands. Click Here for Details.
- 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
Hazardous Weather Conditions
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Fair
87°F
31°C
| Humidity | 75% |
| Wind Speed | S 9 mph |
| Barometer | 29.98 in (1015.1 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 100°F (38°C) |
| Last update | 8 Sep 8:53 am CDT |
Extended Forecast for
3 Miles NNW Rio Grande City TX
Heat Advisory September 8, 12:00pm until September 8, 06:00pm
Today

High: 104 °F
Hot
Tonight

Low: 79 °F
Mostly Clear
Wednesday

High: 103 °F
Hot
Wednesday Night

Low: 78 °F
Mostly Clear
Thursday

High: 104 °F
Hot
Thursday Night

Low: 79 °F
Mostly Clear
Friday

High: 105 °F
Hot
Friday Night

Low: 80 °F
Mostly Clear
Saturday

High: 105 °F
Hot
Detailed Forecast
Today
Sunny and hot, with a high near 104. Heat index values as high as 113. Southeast wind around 8 mph.
Tonight
Mostly clear, with a low around 79. Southeast wind 5 to 11 mph, with gusts as high as 23 mph.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 112. East southeast wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 78. Southeast wind 5 to 8 mph.
Thursday
Sunny and hot, with a high near 104. Calm wind becoming south southeast around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 79. Southeast wind 7 to 9 mph, with gusts as high as 22 mph.
Friday
Sunny and hot, with a high near 105. Southeast wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around 80. Southeast wind around 11 mph, with gusts as high as 26 mph.
Saturday
Sunny and hot, with a high near 105. South southeast wind 9 to 11 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 80. Southeast wind 10 to 13 mph, with gusts as high as 28 mph.
Sunday
Sunny and hot, with a high near 104. Southeast wind 10 to 13 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 80.
Monday
Sunny and hot, with a high near 104.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles NNW Rio Grande City TX
26.42°N 98.85°W
26.42°N 98.85°W
9:00 am CDT Sep 8, 2026
9am CDT Sep 8, 2026-6pm CDT Sep 14, 2026



