*As of Jul 30, 8 AM local time.*
Current Conditions and Alert Status
McKinney residents are under a Heat Advisory, which remains in effect until the evening hours today. The National Weather Service has issued this moderate-severity alert due to dangerously high temperatures and humidity levels that will make conditions feel significantly hotter than the actual air temperature.
As of this morning, the air temperature stands at 82F, but the heat index makes it feel like 88F. Humidity is quite high, with a dew point of 73F and relative humidity at 74%. Winds are currently blowing from the south southwest at 8 mph, with gusts reaching up to 14 mph. The sky remains clear overhead.
Forecast for Today and Tomorrow
The National Weather Service forecasts sunny skies for today, with a high near 100F. During these peak hours, heat index values are expected to reach as high as 108. Winds will continue from the south southwest at 5 to 10 mph.
Overnight tonight, conditions will become mostly clear. Temperatures will drop to a low around 81F but will rise slightly to approximately 83F during the night. The heat index will remain elevated, peaking near 107.
Winds will shift to the south at 5 to 10 mph.
Tomorrow brings even more intense heat. Expect sunny skies with a high near 103F. Heat index values could climb as high as 111, creating extreme heat stress risks.






