National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

A Few Clouds

49°F

9°C

Humidity 83%
Wind Speed NW 3 mph
Barometer 30.12 in (1020.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 7 Mar 7:53 pm CST
Extended Forecast for

Prosper TX

  • Tonight

    Tonight: A 50 percent chance of showers before 9pm. Mostly cloudy, with a low around 45. North wind 5 to 10 mph.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 71. North wind around 5 mph becoming calm in the afternoon.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers between midnight and 3am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 58. Calm wind becoming south around 5 mph in the evening. Chance of precipitation is 20%.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before noon. Partly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 67. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 78. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly sunny, with a high near 74. South southwest wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before midnight. Mostly clear, with a low around 47. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers before 9pm. Mostly cloudy, with a low around 45. North wind 5 to 10 mph.
Sunday
Sunny, with a high near 71. North wind around 5 mph becoming calm in the afternoon.
Sunday Night
A slight chance of showers between midnight and 3am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 58. Calm wind becoming south around 5 mph in the evening. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms before noon. Partly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 67. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 78. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers. Mostly sunny, with a high near 74. South southwest wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A 30 percent chance of showers before midnight. Mostly clear, with a low around 47. North wind around 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 67.
Thursday Night
Clear, with a low around 51.
Friday
Sunny, with a high near 76.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Prosper TX
 33.25°N 96.78°W (Elev. 732 ft)
Last Update:
5:20 pm CST Mar 7, 2026
Forecast Valid:
8pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation