National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

McAllen, Miller International Airport (KMFE)

Lat: 26.18°NLon: 98.24°WElev: 105ft.

Overcast

78°F

26°C

Humidity 90%
Wind Speed NW 13 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 4 Oct 2:53 am CDT
Extended Forecast for

Alton TX

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 74. North wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 82. North wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 73. North wind 7 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 73 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9am. High near 83. North wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind becoming north northwest 5 to 9 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. North wind 9 to 11 mph, with gusts as high as 24 mph.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Light north wind.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. North wind 6 to 10 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 74. North wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm. High near 82. North wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 73. North wind 7 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9am. High near 83. North wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind becoming north northwest 5 to 9 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 91. North wind 9 to 11 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 72. Light north wind.
Wednesday
Sunny, with a high near 94. North wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph becoming calm.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. North wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 72. Calm wind becoming north 5 to 7 mph after midnight.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 71.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton TX
 26.29°N 98.29°W
Last Update:
4:00 am CDT Oct 4, 2026
Forecast Valid:
4am CDT Oct 4, 2026-6pm CDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation