Southern U.S. Heavy Rain; Lake Effect Snow Redevelops

Locally heavy rain may bring a threat of flash, urban, and small stream flooding across the lower Mississippi Valley Thursday and Friday. A clipper crossing southern Canada will bring lake effect snow to the Great Lakes and light snow to the Northeast Thursday into Saturday morning. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fog/Mist

46°F

8°C

Humidity 93%
Wind Speed S 6 mph
Barometer 29.98 in (1016.4 mb)
Dewpoint 44°F (7°C)
Visibility 6.00 mi
Wind Chill43°F (6°C)
Last update 21 Jan 6:53 am CST
Extended Forecast for

McKinney TX

  • Today

    Today: A 30 percent chance of rain, mainly between 1pm and 5pm.  Cloudy, with a high near 62. Southwest wind 5 to 10 mph.

    Cloudy then
    Chance Rain

    High: 62 °F

  • Tonight

    Tonight: A slight chance of rain before 7pm, then a chance of rain after 3am.  Mostly cloudy, with a low around 48. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Chance Rain

    Low: 48 °F

  • Friday

    Friday: A 30 percent chance of rain before 7am.  Mostly cloudy, with a high near 58. East northeast wind 5 to 10 mph.

    Chance Rain
    then Mostly
    Cloudy

    High: 58 °F

  • Friday
    Night

    Friday Night: Cloudy, with a low around 44. East wind around 10 mph.

    Cloudy

    Low: 44 °F

  • Saturday

    Saturday: Mostly cloudy, with a high near 54. East southeast wind 10 to 15 mph.

    Mostly Cloudy

    High: 54 °F

  • Saturday
    Night

    Saturday Night: A 40 percent chance of showers after 7pm.  Mostly cloudy, with a low around 50. East southeast wind around 10 mph.

    Chance
    Showers

    Low: 50 °F

  • Sunday

    Sunday: A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and possibly a thunderstorm after 1pm.  High near 67. South wind around 10 mph.  Chance of precipitation is 80%.

    Chance
    Showers then
    Showers

    High: 67 °F

  • Sunday
    Night

    Sunday Night: Showers and possibly a thunderstorm before 7pm, then showers and thunderstorms, mainly after 7pm.  Low around 54. South wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 80%.

    T-storms

    Low: 54 °F

  • Monday

    Monday: Showers and thunderstorms likely before 7am, then a slight chance of showers between 7am and 1pm.  Mostly sunny, with a high near 60. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    T-storms
    Likely then
    Slight Chance
    Showers

    High: 60 °F

Detailed Forecast

Today
A 30 percent chance of rain, mainly between 1pm and 5pm. Cloudy, with a high near 62. Southwest wind 5 to 10 mph.
Tonight
A slight chance of rain before 7pm, then a chance of rain after 3am. Mostly cloudy, with a low around 48. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
A 30 percent chance of rain before 7am. Mostly cloudy, with a high near 58. East northeast wind 5 to 10 mph.
Friday Night
Cloudy, with a low around 44. East wind around 10 mph.
Saturday
Mostly cloudy, with a high near 54. East southeast wind 10 to 15 mph.
Saturday Night
A 40 percent chance of showers after 7pm. Mostly cloudy, with a low around 50. East southeast wind around 10 mph.
Sunday
A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 67. South wind around 10 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 7pm, then showers and thunderstorms, mainly after 7pm. Low around 54. South wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Monday
Showers and thunderstorms likely before 7am, then a slight chance of showers between 7am and 1pm. Mostly sunny, with a high near 60. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 56.
Click Map For Forecast
Point Forecast:
McKinney TX
 33.19°N 96.62°W (Elev. 587 ft)
5:59 am CST Jan 21, 2021
7am CST Jan 21, 2021-6pm CST Jan 27, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database