Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

82°F

28°C

Humidity 65%
Wind Speed S 3 mph
Barometer 30.17 in (1020.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Sep 12:53 am CDT
Extended Forecast for

McKinney TX

  • Overnight

    Overnight: Mostly clear, with a low around 78. South southeast wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 99. Heat index values as high as 104. South southeast wind 5 to 10 mph.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 103. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

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

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 78. South southeast wind around 5 mph.
Thursday
A 10 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 104. South southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 103. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Clear, with a low around 75. South southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 99. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 96.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
McKinney TX
 33.19°N 96.62°W (Elev. 587 ft)
1:26 am CDT Sep 17, 2026
1am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
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Additional Resources

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