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

76°F

24°C

Humidity 72%
Wind Speed S 16 mph
Barometer 30.01 in (1015.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 Mar 12:53 pm CST
Extended Forecast for

Mc Kinney TX

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 79. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms, mainly before midnight. Low around 65. South southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms, mainly after noon. High near 79. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    High: 79 °F

    Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm after midnight. Low around 58. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 58 °F

    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Cloudy, with a low around 52. North wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 68. North wind around 5 mph.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 79. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before midnight. Low around 65. South southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Showers and thunderstorms, mainly after noon. High near 79. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Friday Night
Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm after midnight. Low around 58. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Cloudy, with a low around 52. North wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 68. North wind around 5 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 57.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Kinney TX
 33.19°N 96.65°W (Elev. 545 ft)
Last Update:
12:33 pm CST Mar 4, 2026
Forecast Valid:
1pm CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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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