Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

87°F

31°C

Humidity 53%
Wind Speed S 7 mph
Barometer 30.17 in (1020.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 16 Sep 10:53 pm CDT
Extended Forecast for

Allen TX

  • Tonight

    Tonight: Mostly clear, with a low around 79. South southeast wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99. Heat index values as high as 105. South southeast wind around 5 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 78. Southeast wind around 5 mph.

    Low: 78 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny and hot, with a high near 100. Light south southeast wind becoming south 5 to 10 mph in the afternoon.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. South southeast wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South southeast wind around 10 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. South southwest wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 79. South southeast wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 99. Heat index values as high as 105. South southeast wind around 5 mph.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 78. Southeast wind around 5 mph.
Friday
Sunny and hot, with a high near 100. Light south southeast wind becoming south 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 77. South southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 100. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 76. South southeast wind around 10 mph.
Sunday
Sunny and hot, with a high near 99. South southwest wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 77. South southeast wind 5 to 10 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Allen TX
 33.1°N 96.67°W (Elev. 656 ft)
6:06 pm CDT Sep 16, 2026
11pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database