National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

52°F

11°C

Humidity 77%
Wind Speed NW 8 mph
Barometer 30.17 in (1022.1 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 22 Nov 7:53 am CST
Extended Forecast for

McKinney TX

  • Today

    Today: Sunny, with a high near 65. North northwest wind 5 to 10 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. North wind around 5 mph becoming calm.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Partly sunny, with a high near 67. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 67 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 56. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 56 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 70. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%.

    High: 70 °F

    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. South southwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. North wind 5 to 10 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. North wind around 10 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58. North northeast wind 5 to 10 mph.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 65. North northwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 47. North wind around 5 mph becoming calm.
Sunday
A 20 percent chance of showers after noon. Partly sunny, with a high near 67. Calm wind becoming east southeast around 5 mph in the afternoon.
Sunday Night
Showers and possibly a thunderstorm. Low around 56. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Monday
Showers and possibly a thunderstorm. High near 70. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Monday Night
Mostly clear, with a low around 51. South southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 69. North wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 42. North wind around 10 mph.
Wednesday
Sunny, with a high near 58. North northeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 37.
Thanksgiving Day
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
McKinney TX
 33.19°N 96.62°W (Elev. 587 ft)
Last Update:
5:06 am CST Nov 22, 2025
Forecast Valid:
7am CST Nov 22, 2025-6pm CST Nov 28, 2025
 
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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