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
Hazardous Weather Conditions
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Fair
99°F
37°C
| Humidity | 38% |
| Wind Speed | SE 14 mph |
| Barometer | 29.96 in (1014.4 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 106°F (41°C) |
| Last update | 21 Aug 3:53 pm CDT |
Extended Forecast for
Mc Allen TX
This Afternoon
High: 102 °F
Hot
Tonight
Low: 79 °F
Partly Cloudy
Saturday
High: 104 °F
Hot
Saturday Night
Low: 78 °F
Mostly Clear
Sunday
High: 103 °F
Hot
Sunday Night
Low: 79 °F
Mostly Clear
Monday
High: 102 °F
Hot
Monday Night
Low: 79 °F
Mostly Clear
Tuesday
High: 102 °F
Hot
Detailed Forecast
This Afternoon
Sunny and hot, with a high near 102. Heat index values as high as 107. Southeast wind around 11 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 79. Southeast wind 7 to 13 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny and hot, with a high near 104. South southeast wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 78. South southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday
Partly sunny through mid morning, then becoming sunny and hot, with a high near 103. Southeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 79. Southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Monday
Sunny and hot, with a high near 102. South southeast wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 79. South southeast wind 7 to 14 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 102. South southeast wind 6 to 11 mph.
Tuesday Night
Mostly clear, with a low around 80. South southeast wind 8 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 102. South southeast wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 80.
Thursday
Sunny and hot, with a high near 102.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mc Allen TX
26.22°N 98.23°W
26.22°N 98.23°W
4:30 pm CDT Aug 21, 2026
4pm CDT Aug 21, 2026-6pm CDT Aug 27, 2026
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