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.

Mostly Cloudy

78°F

26°C

Humidity 82%
Wind Speed S 13 G 24 mph
Barometer 30.03 in (1016.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 9 Jun 5:53 am CDT
Extended Forecast for

Collin County Regional Airport TX

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 91. Heat index values as high as 99. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind 10 to 15 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 94. South wind around 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. South wind 10 to 15 mph.

    Low: 79 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind 5 to 10 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. East southeast wind 5 to 10 mph becoming south after midnight.

    Low: 78 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South wind 5 to 10 mph.

    High: 94 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 91. Heat index values as high as 99. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 77. South wind 10 to 15 mph.
Wednesday
Mostly sunny, with a high near 93. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 94. South wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. South wind 10 to 15 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. East southeast wind 5 to 10 mph becoming south after midnight.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South wind 5 to 10 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 78.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Collin County Regional Airport TX
 33.19°N 96.59°W (Elev. 554 ft)
Last Update:
6:06 am CDT Jun 9, 2026
Forecast Valid:
6am CDT Jun 9, 2026-6pm CDT Jun 15, 2026
 
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