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.

A Few Clouds

99°F

37°C

Humidity 39%
Wind Speed E 17 G 25 mph
Barometer 29.83 in (1009.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 12 Aug 5:53 pm CDT
Extended Forecast for

Mc Allen TX

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 80. South southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 103. Heat index values as high as 109. Light southeast wind increasing to 5 to 9 mph in the morning.

    High: 103 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80. South southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Heat index values as high as 109. South southeast wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80. Southeast wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 98. Southeast wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 98 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 81. Southeast wind 7 to 13 mph, with gusts as high as 24 mph.

    Low: 81 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 101. South southeast wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 101 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. Southeast wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 80. South southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 103. Heat index values as high as 109. Light southeast wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 80. South southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 109. South southeast wind 6 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 80. Southeast wind 7 to 14 mph, with gusts as high as 24 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 98. Southeast wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 81. Southeast wind 7 to 13 mph, with gusts as high as 24 mph.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 101. South southeast wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 79. Southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday
Sunny and hot, with a high near 101. East southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 79. Southeast wind 5 to 11 mph, with gusts as high as 22 mph.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 101.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Allen TX
 26.22°N 98.23°W
Last Update:
6:30 pm CDT Aug 12, 2025
Forecast Valid:
6pm CDT Aug 12, 2025-6pm CDT Aug 19, 2025
 
Forecast Discussion
 
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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