McKinney, TX Weather - Tomorrow’s Forecast

Friday

Mostly sunny

High:
97°F

Mostly sunny, with a high near 97. Heat index values as high as 109. South wind 10 to 15 mph, with gusts as high as 20 mph.

Friday Night

Mostly clear

Overnight low:
81°F

Mostly clear, with a low around 81. South wind 10 to 15 mph, with gusts as high as 20 mph.