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McKinney, Texas Weather Forecast
McKinney, Texas Weather
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Weather Forecast for McKinney, Texas : Collin County
Issued: 12:13 am CST Jan 23, 2026 Latitude: 33.1976164 Longitude: -96.6152693 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
20% chance of rain on Overnight 90% chance of rain on Friday 100% chance of freezing rain on Saturday 40% chance of snow & sleet on Sunday Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Partly Sunny on Thursday
Low: 46°F High: 47 °F High: 23 °F High: 21°F High: 29°F High: 41°F High: 39°F High: 38°F
Low: 25°F Low: 12°F Low: 5 °F Low: 11°F Low: 22°F Low: 17°F  
Rain Rain Freezing Rain Snow & Sleet Sunny Sunny Mostly Sunny Partly Sunny
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Current Conditions at
MCKINNEY - (KTKI)
52°
Cloudy
as of 11:53 PM CST
Rel. Humidity: 81%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 1600ft, Solid Overcast at 2300ft
Current Conditions at
DALLAS/ADDISON - (KADS)
52°
Cloudy
as of 12:35 AM CST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: MVFR
Wind Data
5 MPH
110° East
Cloud Level(s): Broken at 1800ft, Solid Overcast at 2300ft
Current Conditions at
DALLAS - (KDAL)
54°
Cloudy
as of 11:53 PM CST
Rel. Humidity: 76%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: MVFR
Wind Data
5 MPH
110° East
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
MESQUITE - (KHQZ)
52°
Cloudy
as of 12:35 AM CST
Rel. Humidity: 81%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1600ft
20% chance of rain Overnight Overnight... A 20 percent chance of showers after 3am. Mostly cloudy, with a steady temperature around 46. East northeast wind 5 to 10 mph.

90% chance of rain Friday Friday... Showers, mainly after 9am. Temperature rising to near 47 by 9am, then falling to around 40 during the remainder of the day. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

100% chance of freezing rain Friday Night Friday Night... Rain showers before 9pm, then rain showers, freezing rain, and sleet between 9pm and midnight, then freezing rain and sleet after midnight. Low around 25. Wind chill values between 16 and 21. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New ice accumulation of 0.1 to 0.2 of an inch possible. New sleet accumulation of less than a half inch possible.

100% chance of freezing rain Saturday Saturday... Sleet, possibly mixed with freezing rain. Temperature falling to around 23 by 4pm. Wind chill values between 11 and 16. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New ice accumulation of 0.1 to 0.2 of an inch possible. New sleet accumulation of less than a half inch possible.

100% chance of freezing rain & snow Saturday Night Saturday Night... Sleet, possibly mixed with freezing rain before midnight, then sleet, possibly mixed with snow showers and freezing rain between midnight and 3am, then snow showers and sleet after 3am. The sleet could be heavy at times. Low around 12. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

40% chance of snow & sleet Sunday Sunday... A chance of snow showers and sleet before 9am, then a chance of snow showers between 9am and noon. Mostly cloudy and cold, with a high near 21. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 5. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Sunny on Monday Monday... Sunny and cold, with a high near 29. North northwest wind around 5 mph becoming west southwest in the afternoon.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 11. South southwest wind around 5 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 41.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 22.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 39.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 17.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 38.

Current Radar Image


Sun Almanac for McKinney, Texas
Sunrise: 07:27 AM
Sunset: 5:50 PM
Civil Sunrise:07:01 AM
Civil Sunset: 6:16 PM
Nautical Sunrise: 06:31 AM
Nautical Sunset: 6:46 PM
Astro Sunrise: 06:01 AM
Astro Sunset: 7:16 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.