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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!
- 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
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Fair
100°F
38°C
| Humidity | 33% |
| Wind Speed | SE 14 G 29 mph |
| Barometer | 30.03 in (1016.5 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 104°F (40°C) |
| Last update | 15 Aug 4:53 pm CDT |
Extended Forecast for
Alton TXSimilar City Names
Tonight

Low: 79 °F
Mostly Clear
Sunday

High: 100 °F
Hot
Sunday Night

Low: 78 °F
Mostly Clear
Monday
High: 99 °F
Sunny then
Slight Chance
T-stormsMonday Night

Low: 78 °F
Mostly Clear
Tuesday

High: 100 °F
Hot
Tuesday Night

Low: 77 °F
Clear
Wednesday

High: 100 °F
Hot
Wednesday Night

Low: 78 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 79. Southeast wind 6 to 16 mph, with gusts as high as 25 mph.
Sunday
Sunny and hot, with a high near 100. Heat index values as high as 110. Light east southeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 78. East southeast wind 10 to 15 mph becoming light southeast after midnight. Winds could gust as high as 24 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Heat index values as high as 109. Light east wind becoming east southeast 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 78. South southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Tuesday
Sunny and hot, with a high near 100. Southeast wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 77. Southeast wind 8 to 14 mph, with gusts as high as 25 mph.
Wednesday
Sunny and hot, with a high near 100. South southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 28 mph.
Thursday
Sunny and hot, with a high near 100. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 79. Southeast wind 9 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 78.
Saturday
Sunny and hot, with a high near 101.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Alton TXSimilar City Names
26.29°N 98.31°W
26.29°N 98.31°W
5:00 pm CDT Aug 15, 2026
5pm CDT Aug 15, 2026-6pm CDT Aug 22, 2026


