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.

Fair

75°F

24°C

Humidity 76%
Wind Speed NE 3 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 May 8:53 pm CDT
Extended Forecast for

Celina TX

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming north in the evening.

    Low: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Cloudy, with a high near 75. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    High: 75 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 5 to 10 mph becoming south southeast after midnight.

    Low: 64 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of thunderstorms before 7am. Partly sunny, with a high near 82. South wind around 5 mph. Chance of precipitation is 10%.

    High: 82 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. South southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 81. South southeast wind around 5 mph. Chance of precipitation is 60%.

    High: 81 °F

    T-storms
    Likely

  • Saturday Night

    Saturday 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 wind around 5 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. East northeast wind around 5 mph. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming north in the evening.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Cloudy, with a high near 75. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 5 to 10 mph becoming south southeast after midnight.
Friday
A slight chance of thunderstorms before 7am. Partly sunny, with a high near 82. South wind around 5 mph. Chance of precipitation is 10%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. South southeast wind around 5 mph. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 81. South southeast wind around 5 mph. Chance of precipitation is 60%.
Saturday 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 wind around 5 mph. Chance of precipitation is 70%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. East northeast wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Celina TX
 33.32°N 96.78°W (Elev. 682 ft)
Last Update:
8:52 pm CDT May 20, 2026
Forecast Valid:
9pm CDT May 20, 2026-6pm CDT May 27, 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