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

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

66°F

19°C

Humidity 43%
Wind Speed N 7 mph
Barometer 30.10 in (1019.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Jan 4:53 pm CST
Extended Forecast for

Allen TX

Winter Storm Watch January 23, 12:00pm until January 25, 12:00pm
Extreme Cold Watch January 24, 06:00pm until January 26, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
Extreme Cold Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northeast wind around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 59. East wind around 5 mph.

    High: 59 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after midnight. Cloudy, with a low around 42. East wind 5 to 10 mph.

    Low: 42 °F

    Cloudy then
    Chance
    Showers

  • Friday

    Friday: Showers. Temperature falling to around 35 by 5pm. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 44 °F⇓

    Showers
    Likely then
    Showers

  • Friday Night

    Friday Night: Rain showers and freezing rain, possibly mixed with sleet before 9pm, then freezing rain and sleet. The sleet could be heavy at times. Low around 21. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Low: 21 °F

    Wintry Mix

  • Saturday

    Saturday: Sleet, possibly mixed with freezing rain. The sleet could be heavy at times. Temperature rising to near 24 by 8am, then falling to around 20 during the remainder of the day. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    High: 24 °F⇓

    Wintry Mix

  • Saturday Night

    Saturday Night: Sleet likely, possibly mixed with snow showers and freezing rain before midnight, then a chance of snow showers and sleet. Cloudy, with a low around 12. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 12 °F

    Wintry Mix
    Likely

  • Sunday

    Sunday: A slight chance of snow showers and sleet before noon. Mostly cloudy and cold, with a high near 21. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 21 °F

    Slight Chance
    Snow/Sleet
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 8. North northwest wind 5 to 10 mph.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Northeast wind around 5 mph.
Thursday
Mostly cloudy, with a high near 59. East wind around 5 mph.
Thursday Night
A 40 percent chance of showers after midnight. Cloudy, with a low around 42. East wind 5 to 10 mph.
Friday
Showers. Temperature falling to around 35 by 5pm. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Rain showers and freezing rain, possibly mixed with sleet before 9pm, then freezing rain and sleet. The sleet could be heavy at times. Low around 21. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Saturday
Sleet, possibly mixed with freezing rain. The sleet could be heavy at times. Temperature rising to near 24 by 8am, then falling to around 20 during the remainder of the day. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Saturday Night
Sleet likely, possibly mixed with snow showers and freezing rain before midnight, then a chance of snow showers and sleet. Cloudy, with a low around 12. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Sunday
A slight chance of snow showers and sleet before noon. Mostly cloudy and cold, with a high near 21. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 8. North northwest wind 5 to 10 mph.
Monday
Sunny and cold, with a high near 30.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allen TX
 33.1°N 96.67°W (Elev. 656 ft)
Last Update:
5:07 pm CST Jan 21, 2026
Forecast Valid:
5pm CST Jan 21, 2026-6pm CST Jan 28, 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