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
- Notice: Rio Grande City NOAA Weather Radio Remains Out of Service Until Further Notice
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Fair
98°F
37°C
| Humidity | 36% |
| Wind Speed | SE 20 G 31 mph |
| Barometer | 29.86 in (1010.9 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 102°F (39°C) |
| Last update | 13 Aug 5:53 pm CDT |
Extended Forecast for
Alton TX
Tonight
Low: 80 °F
Mostly Clear
and Breezy
then Mostly
ClearFriday
High: 101 °F
Sunny then
Slight Chance
T-stormsFriday Night
Low: 81 °F
Partly Cloudy
Saturday
High: 100 °F
Hot
Saturday Night
Low: 79 °F
Partly Cloudy
Sunday
High: 100 °F
Hot
Sunday Night
Low: 79 °F
Mostly Clear
Monday
High: 99 °F
Sunny then
Slight Chance
T-stormsMonday Night
Low: 78 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 80. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 30 mph.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 101. Heat index values as high as 110. South southeast wind 10 to 17 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 81. Southeast wind 10 to 17 mph, with gusts as high as 29 mph.
Saturday
Sunny and hot, with a high near 100. Heat index values as high as 106. Southeast wind 10 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 79. East southeast wind 6 to 16 mph, with gusts as high as 26 mph.
Sunday
Sunny and hot, with a high near 100. Light east southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 79. Southeast wind 5 to 15 mph, with gusts as high as 24 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Light southeast wind becoming east southeast 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 78. East southeast wind 6 to 14 mph, with gusts as high as 22 mph.
Tuesday
Sunny and hot, with a high near 100. Southeast wind 5 to 11 mph.
Tuesday Night
Mostly clear, with a low around 78. South southeast wind 9 to 14 mph, with gusts as high as 23 mph.
Wednesday
Sunny and hot, with a high near 100.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny and hot, with a high near 100.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Alton TX
26.29°N 98.31°W
26.29°N 98.31°W
6:45 pm CDT Aug 13, 2026
6pm CDT Aug 13, 2026-6pm CDT Aug 20, 2026
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