*As of Jul 10, 4 AM local time.*
Current Conditions and Heat Index
It is currently Friday overnight in McKinney, TX, and the air remains quite humid. The current air temperature is 82F, but the heat index makes it feel like 86F. Relative humidity sits at 66%, with a dew point of 70F contributing to the muggy atmosphere. The sky is clear, and winds are blowing from the south southwest at 10 mph, with gusts reaching 17 mph.
Forecast for Today and Tomorrow
Today, McKinney will see sunny skies with a high near 99F. The heat index values are expected to reach as high as 103F. South southwest winds will continue at 10 to 15 mph. There is a 0% chance of precipitation, so residents can expect dry conditions throughout the day. Temperatures will drop to a low near 78F tonight.
Tonight, the sky will be mostly clear. Lows will settle around 78F, though temperatures may rise to around 80F during the overnight hours. South southwest winds will persist at around 10 mph, with gusts as high as 20 mph. The heat index will remain elevated, with values as high as 102F.
Tomorrow, the sun will shine again with a high near 98F. The heat index is forecast to climb to 104F, making it feel even hotter than the actual air temperature. South winds will be lighter, ranging from 5 to 10 mph.
There is still a 0% chance of rain. Lows tomorrow night will be around 80F, with mostly clear skies and south winds of 5 to 10 mph.






