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.

Fair

84°F

29°C

Humidity 77%
Wind Speed E 8 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 25 Aug 8:53 pm CDT
Extended Forecast for

Alton TX

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 78. South southeast wind 3 to 6 mph.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 97. Heat index values as high as 106. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph becoming light southeast after midnight.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 106. Light southeast wind becoming east southeast 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 96 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Southeast wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. Southeast wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 99. South southeast wind 6 to 10 mph.

    High: 99 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 78. South southeast wind 3 to 6 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 97. Heat index values as high as 106. Light southeast wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph becoming light southeast after midnight.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 106. Light southeast wind becoming east southeast 5 to 10 mph in the morning. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 77. Southeast wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 98. Southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 78. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 99. South southeast wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 78. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 99. South southeast wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 78. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.
Sunday Night
A 30 percent chance of showers. Mostly clear, with a low around 78.
Labor Day
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Alton TX
 26.27°N 98.29°W
Last Update:
9:18 pm CDT Aug 25, 2025
Forecast Valid:
9pm CDT Aug 25, 2025-6pm CDT Sep 1, 2025
 
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Additional Resources

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Chance of Precipitation