*As of Jul 22, 8 PM local time.*
Current Conditions and Alert Overview
A Heat Advisory is currently in effect for McKinney, Texas, signaling dangerous heat conditions that require caution. As of this evening, the air temperature stands at 93F, with a feels-like temperature of 93F. The relative humidity is at 48%, and the dew point is 72F, indicating significant moisture in the air despite the clear skies.
Winds are blowing from the east-northeast at 7 mph, with gusts reaching up to 15 mph.
The National Weather Service has issued this advisory due to the extreme heat expected to persist through the overnight hours and into tomorrow. The advisory is classified as moderate in severity and is expected to impact the area during the specified timeframe.
Residents should be aware that the heat index values, which combine temperature and humidity to reflect how hot it feels, will be notably high.
Forecast for Today, Tonight, and Tomorrow
Today, McKinney is expected to reach a high near 102F under mostly clear skies. The chance of precipitation is minimal at just 1%. As the day transitions into tonight, conditions will remain mostly clear.
Temperatures will drop to a low near 77F, but will rise to around 79F during the overnight hours. The heat index will climb as high as 112, making the night feel significantly hotter than the actual air temperature. Winds will shift to the east-northeast, ranging from 5 to 10 mph.
Tomorrow, the sun will shine brightly with a high near 98F. The sky will remain sunny, and the chance of precipitation stays at 1%. The heat index will reach up to 105 during the day.






