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- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
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- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
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Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Fair
102°F
39°C
| Humidity | 33% |
| Wind Speed | S 12 G 23 mph |
| Barometer | 29.94 in (1013.6 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 108°F (42°C) |
| Last update | 25 Aug 1:53 pm CDT |
Extended Forecast for
Sullivan City TX
This Afternoon

High: 104 °F
Hot
Tonight

Low: 79 °F
Mostly Clear
Wednesday

High: 104 °F
Hot
Wednesday Night

Low: 78 °F
Mostly Clear
Thursday

High: 104 °F
Hot
Thursday Night

Low: 79 °F
Clear
Friday

High: 104 °F
Hot
Friday Night

Low: 78 °F
Mostly Clear
Saturday

High: 103 °F
Hot
Detailed Forecast
This Afternoon
Sunny and hot, with a high near 104. Heat index values as high as 111. Southeast wind around 9 mph.
Tonight
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. Heat index values as high as 111. Southeast wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 78. South southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny and hot, with a high near 104. Southeast wind 3 to 6 mph.
Thursday Night
Clear, with a low around 79. South southeast wind 6 to 10 mph, with gusts as high as 22 mph.
Friday
Sunny and hot, with a high near 104. Southeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 78. South southeast wind 5 to 11 mph, with gusts as high as 21 mph.
Saturday
Sunny and hot, with a high near 103. East southeast wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 79. Southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday
Sunny and hot, with a high near 103. Southeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 79.
Monday
Sunny and hot, with a high near 102.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sullivan City TX
26.29°N 98.59°W
26.29°N 98.59°W
2:00 pm CDT Aug 25, 2026
2pm CDT Aug 25, 2026-6pm CDT Aug 31, 2026


