News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- New: 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.
A Few Clouds
98°F
37°C
| Humidity | 45% |
| Wind Speed | SE 10 G 17 mph |
| Barometer | 30.07 in (1017.9 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 109°F (43°C) |
| Last update | 17 Aug 12:53 pm CDT |
Extended Forecast for
Mc Allen TX
This Afternoon

High: 100 °F
Slight Chance
T-stormsTonight

Low: 78 °F
Mostly Clear
Tuesday

High: 101 °F
Hot
Tuesday Night

Low: 78 °F
Mostly Clear
Wednesday

High: 101 °F
Hot
Wednesday Night

Low: 80 °F
Mostly Clear
Thursday

High: 102 °F
Hot
Thursday Night

Low: 80 °F
Mostly Clear
Friday

High: 102 °F
Hot
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100. Heat index values as high as 109. East southeast wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 78. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 101. Heat index values as high as 105. South southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 78. South southeast wind 7 to 13 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny and hot, with a high near 101. South southeast wind 5 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 80. Southeast wind 8 to 13 mph, with gusts as high as 25 mph.
Thursday
Sunny and hot, with a high near 102. Southeast wind 8 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 80. Southeast wind 9 to 14 mph, with gusts as high as 26 mph.
Friday
Mostly sunny and hot, with a high near 102. South southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 79. Southeast wind 7 to 13 mph, with gusts as high as 23 mph.
Saturday
Sunny and hot, with a high near 102. South southeast wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 79.
Sunday
Sunny and hot, with a high near 102.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mc Allen TX
26.22°N 98.23°W
26.22°N 98.23°W
1:30 pm CDT Aug 17, 2026
1pm CDT Aug 17, 2026-6pm CDT Aug 23, 2026



