*As of Jul 9, 12 PM local time.*
Current Conditions and Heat Index
McKinney is experiencing very hot conditions this afternoon, with the air temperature at 93F. Due to the humidity, the feels-like temperature is currently 99F. The relative humidity stands at 47%, with a dew point of 70F, indicating quite humid air. Winds are blowing from the south southwest at 10 mph, with gusts reaching 14 mph. The sky remains clear overhead.
Today and Tonight Forecast
Today will be sunny with a high near 100F. The National Weather Service indicates heat index values as high as 104. South southwest winds will continue around 10 mph, with gusts as high as 20 mph. The chance of precipitation is 1%.
Tonight, skies will clear with a low around 79F. Temperatures may rise to around 81F overnight. Heat index values will remain high, reaching up to 102. South winds will persist at 10 to 15 mph. The chance of precipitation remains at 1%.
Tomorrow Outlook
Tomorrow will also be sunny with a high near 100F. Heat index values are expected to reach as high as 103. South southwest winds will blow at 10 to 15 mph. The chance of precipitation is 1%.






