Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Mostly Cloudy

84°F

29°C

Humidity 72%
Wind Speed S 15 G 25 mph
Barometer 29.81 in (1008.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 21 Jun 10:53 am CDT
Extended Forecast for

Prosper TX

  • Today

    Today: Mostly sunny, with a high near 92. Heat index values as high as 103. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 79. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 7am and 1pm.  Partly sunny, with a high near 94. Heat index values as high as 106. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 77. South wind around 10 mph.

    Low: 77 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. South wind around 10 mph.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 78. South wind around 10 mph.

    Low: 78 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 93. South southwest wind around 10 mph.

    High: 93 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 76. South southeast wind around 10 mph.

    Low: 76 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 93. South wind around 10 mph.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 92. Heat index values as high as 103. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 79. South wind around 15 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 94. Heat index values as high as 106. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 77. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 94. South wind around 10 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. South wind around 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. South southwest wind around 10 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76. South southeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 93. South wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 77.
Friday
Mostly sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 79.
Saturday
Mostly sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosper TX
 33.23°N 96.78°W (Elev. 748 ft)
6:06 am CDT Jun 21, 2026
11am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database