*As of Aug 22, 2 PM local time.*
Current Conditions and Active Alerts
McKinney residents are currently experiencing dangerous heat levels this afternoon. The air temperature stands at 97F, but the heat index makes it feel like 101F. Relative humidity is at 37%, and the dew point is 66F.
Winds are blowing from the south southeast at 10 mph, with gusts recorded at 6 mph. The sky is currently clear. Two active National Weather Service alerts are in place for the area.
A Heat Advisory, issued by the National Weather Service Fort Worth office, is expected to remain in effect until 8:00 PM CDT. Additionally, an Air Quality Alert has been issued, indicating elevated levels of pollutants that may affect sensitive groups.
Today and Tonight Outlook
The day will remain mostly sunny with a high near 105F. Heat index values could reach as high as 108F. The chance of precipitation is low at 6%.
As evening approaches, a slight chance of showers and thunderstorms exists between 7 PM and 4 AM. Skies will become partly cloudy, and temperatures will drop to a low near 81F, though they may rise to around 83F overnight. The heat index could still reach 106F during these hours.
Winds will continue from the south southeast at around 5 mph. The chance of precipitation increases slightly to 20% during this overnight window.


