Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Thunderstorm in Vicinity Rain Fog/Mist

70°F

21°C

Humidity 97%
Wind Speed N 8 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 69°F (21°C)
Visibility 3.00 mi
Last update 22 Jun 6:53 am CDT
Extended Forecast for

4 Miles SW Prosper TX

  • Today

    Today: Showers and thunderstorms, mainly before 1pm. Some of the storms could be severe.  High near 90. Heat index values as high as 102. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Severe
    Thunderstorms
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am.  Mostly cloudy, with a low around 78. Southeast wind around 10 mph.

    Low: 78 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 103. South wind around 10 mph.

    High: 95 °F

    Slight Chance
    T-storms

  • Tuesday Night

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

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 97. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 97 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 98. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 98 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 79. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 99. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 99 °F

    Hot

Detailed Forecast

Today
Showers and thunderstorms, mainly before 1pm. Some of the storms could be severe. High near 90. Heat index values as high as 102. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Mostly cloudy, with a low around 78. Southeast wind around 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 103. South wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 97. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 98. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 79. South wind around 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and hot, with a high near 99. South wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 79.
Saturday
Mostly sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 79.
Sunday
Mostly sunny and hot, with a high near 101. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Prosper TX
 33.21°N 96.84°W (Elev. 577 ft)
6:06 am CDT Jun 22, 2026
8am CDT Jun 22, 2026-6pm CDT Jun 28, 2026
 
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