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
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Fair
83°F
28°C
| Humidity | 79% |
| Wind Speed | SE 10 mph |
| Barometer | 30.00 in (1015.5 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 91°F (33°C) |
| Last update | 24 Aug 8:53 am CDT |
Extended Forecast for
Sullivan City TX
Today
High: 103 °F
Hot
Tonight
Low: 79 °F
Mostly Clear
Tuesday
High: 104 °F
Hot
Tuesday Night
Low: 79 °F
Mostly Clear
Wednesday
High: 104 °F
Hot
Wednesday Night
Low: 79 °F
Mostly Clear
Thursday
High: 103 °F
Hot
Thursday Night
Low: 80 °F
Mostly Clear
Friday
High: 103 °F
Hot
Detailed Forecast
Today
Sunny and hot, with a high near 103. Heat index values as high as 110. Southeast wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 79. Southeast wind 8 to 13 mph, with gusts as high as 25 mph.
Tuesday
Sunny and hot, with a high near 104. Heat index values as high as 112. Southeast wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 79. Southeast wind 7 to 15 mph, with gusts as high as 26 mph.
Wednesday
Sunny and hot, with a high near 104. Southeast wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 79. South southeast wind 6 to 13 mph, with gusts as high as 24 mph.
Thursday
Sunny and hot, with a high near 103. Southeast wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 80. South southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Friday
Sunny and hot, with a high near 103. Southeast wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 80. South southeast wind 6 to 13 mph, with gusts as high as 24 mph.
Saturday
Sunny and hot, with a high near 102. Southeast wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 80.
Sunday
Sunny and hot, with a high near 102.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sullivan City TX
26.26°N 98.57°W
26.26°N 98.57°W
9:00 am CDT Aug 24, 2026
9am CDT Aug 24, 2026-6pm CDT Aug 30, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
