*As of Aug 9, 5 PM local time.*
Current Conditions
McKinney is experiencing dangerous heat conditions this evening. The air temperature stands at 95F, but the combination of heat and moisture makes it feel significantly hotter. The current heat index is 101F.
Relative humidity is at 44%, with a dew point of 70F indicating quite humid air for the region. Winds are blowing from the south at 12 mph, with gusts reaching up to 13 mph. The sky remains clear overhead.
Forecast Overview
The National Weather Service indicates that sunny conditions will persist through today. Temperatures are expected to reach a high near 99F before dropping to a low near 77F tonight. The chance of precipitation is minimal at just 8%. During the day, heat index values may climb as high as 102. Winds will be from the south at 5 to 10 mph.
Tonight, skies will become mostly clear. Temperatures will settle around a low of 77F, though they may rise slightly to around 79F during the overnight hours. The heat index could remain as high as 100. South winds will increase to 10 to 15 mph.
Tomorrow brings another sunny day with a high near 99F and a low near 78F. Precipitation chances are negligible at 6%. Heat index values are expected to peak around 102. Winds will continue from the south, ranging between 5 to 15 mph. Tomorrow night will be clear with a low around 78F, potentially rising to 80F overnight, and a heat index up to 101.
