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.

Overcast

78°F

26°C

Humidity 79%
Wind Speed N 7 mph
Barometer 30.02 in (1016.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 14 Jun 4:53 pm CDT
Extended Forecast for

Allen TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. North northeast wind around 10 mph.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. North northeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82. Northeast wind around 10 mph.

    High: 82 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph becoming light in the evening.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 94 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 95. South wind around 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. North northeast wind around 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. North northeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82. Northeast wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph becoming light in the evening.
Tuesday
Mostly sunny, with a high near 88. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 94. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 95. South wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Juneteenth
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allen TX
 33.12°N 96.67°W (Elev. 653 ft)
Last Update:
1:26 pm CDT Jun 14, 2026
Forecast Valid:
5pm CDT Jun 14, 2026-6pm CDT Jun 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation