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.

Overcast

79°F

26°C

Humidity 82%
Wind Speed S 16 G 24 mph
Barometer 29.88 in (1011.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 May 1:53 am CDT
Extended Forecast for

3 Miles SSW Collin County Regional Airport TX

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 79. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 81. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 63. East northeast wind 5 to 10 mph.

    Low: 63 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 80. Northeast wind 5 to 10 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66. East wind 5 to 10 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 78. East southeast wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 78 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. East southeast wind around 5 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82. South wind around 5 mph.

    High: 82 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 79. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 81. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 63. East northeast wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 80. Northeast wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66. East wind 5 to 10 mph.
Thursday
Showers and possibly a thunderstorm. High near 78. East southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. East southeast wind around 5 mph. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82. South wind around 5 mph.
Friday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. Southeast wind 5 to 10 mph.
Saturday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Memorial Day
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Collin County Regional Airport TX
 33.14°N 96.62°W (Elev. 548 ft)
Last Update:
1:26 am CDT May 19, 2026
Forecast Valid:
2am CDT May 19, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation