Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

80°F

27°C

Humidity 74%
Wind Speed SE 6 mph
Barometer 30.06 in (1017.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 8 Aug 12:53 am CDT
Extended Forecast for

3 Miles SSW Collin County Regional Airport TX

  • Overnight

    Overnight: Partly cloudy, with a low around 78. South wind around 10 mph.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 99. Heat index values as high as 104. South wind 5 to 10 mph.

    High: 99 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Heat index values as high as 103. South southwest wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 78. South southeast wind around 10 mph.

    Low: 78 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. South wind around 10 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 78. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. South wind around 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 99. Heat index values as high as 104. South wind 5 to 10 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. South wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 100. Heat index values as high as 103. South southwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 78. South southeast wind around 10 mph.
Monday
Sunny and hot, with a high near 99. South wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 78. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 99. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
Clear, with a low around 77.
Friday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Collin County Regional Airport TX
 33.14°N 96.62°W (Elev. 548 ft)
1:26 am CDT Aug 8, 2026
1am CDT Aug 8, 2026-6pm CDT Aug 14, 2026
 
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Additional Resources

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