News Headlines
- Rapid-Onset (Flash) Drought Continues to Worsen Across the RGV/Deep S. Texas Ranchlands. Click Here for Details.
- RGV Summer (June-August) Weather and Climate Summary - Early Rain Gives Way to Brutal El Nino-Driven Heat, Drought
- New: September-November 2026 Outlook - Warmer Than Normal Conditions Favored; Precipitation A Toss-Up, But Could Trend Wetter Later This Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- The 2026 Atlantic Hurricane Season is Fading...but is not Over Yet. Are You Ready? Know Your Risk, Check Your Plans, Restock Your Kits, and More
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Partly Cloudy
91°F
33°C
| Humidity | 59% |
| Wind Speed | NE 8 mph |
| Barometer | 30.03 in (1016.7 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 102°F (39°C) |
| Last update | 24 Sep 10:53 am CDT |
Extended Forecast for
Alton TX
Today

High: 95 °F
Chance
T-stormsTonight
Low: 78 °F
Partly Cloudy
then Slight
Chance
T-stormsFriday

High: 95 °F
Chance
T-stormsFriday Night

Low: 76 °F
Mostly Clear
Saturday
High: 96 °F
Sunny then
Slight Chance
T-stormsSaturday Night

Low: 77 °F
Mostly Clear
Sunday

High: 97 °F
Mostly Sunny
Sunday Night

Low: 77 °F
Mostly Clear
Monday

High: 98 °F
Mostly Sunny
Detailed Forecast
Today
A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Partly sunny, with a high near 95. Heat index values as high as 106. East wind 6 to 9 mph.
Tonight
A slight chance of showers and thunderstorms between 3am and 4am. Partly cloudy, with a low around 78. East wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 95. Heat index values as high as 106. Light northeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 76. East wind 5 to 10 mph becoming light east southeast in the evening. Winds could gust as high as 20 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 77. East southeast wind 5 to 10 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 97. Calm wind becoming east southeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. East southeast wind 5 to 10 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 98. Calm wind becoming east southeast 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 78. Southeast wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 99. Southeast wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Alton TX
26.29°N 98.31°W
26.29°N 98.31°W
11:00 am CDT Sep 24, 2026
11am CDT Sep 24, 2026-6pm CDT Sep 30, 2026


