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

Hazardous Weather Conditions

Current conditions at

McAllen, Miller International Airport (KMFE)

Lat: 26.18°NLon: 98.24°WElev: 105ft.

Fair

99°F

37°C

Humidity 38%
Wind Speed SE 18 G 24 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 31 Jul 5:53 pm CDT
Extended Forecast for

Alton TX

  • Tonight

    Tonight: Partly cloudy, with a low around 79. Southeast wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 102. Heat index values as high as 111. South southeast wind 7 to 10 mph.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. Southeast wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 103. Heat index values as high as 110. South southeast wind 5 to 8 mph.

    High: 103 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South southeast wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. Southeast wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. South southeast wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79. Southeast wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 79. Southeast wind 9 to 16 mph, with gusts as high as 24 mph.
Saturday
Sunny and hot, with a high near 102. Heat index values as high as 111. South southeast wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 79. Southeast wind 7 to 14 mph, with gusts as high as 25 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 103. Heat index values as high as 110. South southeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 78. South southeast wind 7 to 13 mph, with gusts as high as 23 mph.
Monday
Sunny and hot, with a high near 101. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 79. Southeast wind 11 to 15 mph, with gusts as high as 26 mph.
Tuesday
Sunny and hot, with a high near 100. South southeast wind 10 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 79. Southeast wind 9 to 16 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny and hot, with a high near 100. Southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 79. Southeast wind 6 to 15 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 99.
Thursday Night
Mostly clear, with a low around 79.
Friday
Mostly sunny, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton TX
 26.29°N 98.31°W
Last Update:
6:00 pm CDT Jul 31, 2026
Forecast Valid:
6pm CDT Jul 31, 2026-6pm CDT Aug 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation