Mckinney Weather Forecast for Tomorrow

Wednesday

Mostly sunny

Mostly sunny

High:
94°F
(34°C)

Mostly sunny, with a high near 94. Heat index values as high as 102. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Wednesday Night

Partly cloudy

Partly cloudy

Low:
76°F
(24°C)

Partly cloudy, with a low around 76. South wind 5 to 10 mph.