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

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Partly Cloudy

87°F

31°C

Humidity 50%
Wind Speed S 12 mph
Barometer 29.97 in (1014.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 3 Jul 5:53 pm CDT
Extended Forecast for

Allen TX

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 74 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A 40 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 87. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 7pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 97. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. South wind around 5 mph. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm after midnight.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 95. South southwest wind around 5 mph.

    High: 95 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Independence Day
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 87. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers before 7pm, then a slight chance of showers after 1am. Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 97. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 75. South wind 5 to 10 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. South wind around 5 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 75. South southeast wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 95. South southwest wind around 5 mph.
Monday Night
Partly cloudy, with a low around 76. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny, with a high near 98.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Sunny and hot, with a high near 100.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Allen TX
 33.1°N 96.67°W (Elev. 656 ft)
Last Update:
5:24 pm CDT Jul 3, 2025
Forecast Valid:
6pm CDT Jul 3, 2025-6pm CDT Jul 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation