*As of Sep 13, 3 PM local time.*
Current Conditions and Alert Status
A Heat Advisory is currently in effect for the McKinney area, issued by the National Weather Service in Fort Worth. This moderate-severity alert remains active until early tomorrow evening. Right now, the air temperature is 97F, but the combination of heat and humidity makes it feel like 99F.
The sky is clear, with relative humidity at 35% and a dew point of 64F. Winds are blowing from the south-southeast at 14 mph, with gusts reaching 22 mph. These conditions contribute to the significant heat index values expected throughout the day.
Today and Tonight Outlook
The day will remain sunny with a high near 101F. The chance of precipitation is very low, at just 5%. Heat index values are expected to reach as high as 106F, making the perceived temperature significantly higher than the actual air temperature.
Winds will shift to around 10 mph, with gusts up to 20 mph. As night falls, the sky will remain mostly clear. Temperatures will drop to a low near 79F, though they may rise slightly to around 81F overnight.
The heat index will still feel as high as 104F, with winds easing to 5-10 mph from the south-southeast.


