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Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

78°F

26°C

Humidity 79%
Wind Speed S 7 mph
Barometer 30.01 in (1015.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 Sep 7:53 am CDT
Extended Forecast for

Prosper TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Increasing clouds, with a high near 98. Heat index values as high as 102. South wind 5 to 10 mph.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 77. Southeast wind around 5 mph becoming north in the evening.

    Low: 77 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 96. Heat index values as high as 101. East wind around 5 mph becoming south in the morning.

    High: 96 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. South southeast wind around 10 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 98. South wind around 10 mph.

    High: 98 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South southeast wind around 10 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South southeast wind 10 to 15 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 97. South wind around 15 mph, with gusts as high as 25 mph.

    High: 97 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 98. Heat index values as high as 102. South wind 5 to 10 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 77. Southeast wind around 5 mph becoming north in the evening.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 101. East wind around 5 mph becoming south in the morning.
Friday Night
Mostly clear, with a low around 77. South southeast wind around 10 mph.
Saturday
Sunny, with a high near 98. South wind around 10 mph.
Saturday Night
Mostly clear, with a low around 77. South southeast wind around 10 mph.
Sunday
Sunny, with a high near 97. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 76. South southeast wind 10 to 15 mph.
Monday
Sunny, with a high near 97. South wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosper TX
 33.23°N 96.78°W (Elev. 748 ft)
6:06 am CDT Sep 10, 2026
8am CDT Sep 10, 2026-6pm CDT Sep 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database