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.

Mostly Cloudy and Breezy

86°F

30°C

Humidity 70%
Wind Speed SE 25 G 32 mph
Barometer 29.75 in (1007.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 17 May 9:53 am CDT
Extended Forecast for

Alton TX

  • Today

    Today: Mostly cloudy, with a high near 94. Breezy, with a south southeast wind 18 to 20 mph, with gusts as high as 30 mph.

    High: 94 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 80. Breezy, with a southeast wind 16 to 20 mph, with gusts as high as 33 mph.

    Low: 80 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 96. Heat index values as high as 108. Breezy, with a southeast wind 16 to 18 mph, with gusts as high as 30 mph.

    High: 96 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy during the early evening, then becoming cloudy, with a low around 79. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 30 mph.

    Low: 79 °F

    Slight Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 96. Southeast wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 96 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 79. Southeast wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 79 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Southeast wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 90. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy, with a high near 94. Breezy, with a south southeast wind 18 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 80. Breezy, with a southeast wind 16 to 20 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 96. Heat index values as high as 108. Breezy, with a southeast wind 16 to 18 mph, with gusts as high as 30 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy during the early evening, then becoming cloudy, with a low around 79. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 30 mph.
Tuesday
Partly sunny, with a high near 96. Southeast wind 13 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 79. Southeast wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Southeast wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 90. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Northeast wind 5 to 8 mph becoming southeast in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton TX
 26.29°N 98.31°W
Last Update:
10:18 am CDT May 17, 2026
Forecast Valid:
10am CDT May 17, 2026-6pm CDT May 23, 2026
 
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Additional Resources

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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