*As of Jul 16, 12 PM local time.*
Muggy Conditions and Afternoon Showers
McKinney is experiencing quite humid air this afternoon, with the dew point sitting at 73F and relative humidity at 70%. The current air temperature is 84F, but the heat index makes it feel like 91F. Winds are blowing from the south at 9 mph, with gusts reaching 19 mph, while the sky remains mostly cloudy.
Today, the high will reach near 89F, though temperatures may dip slightly to around 87F in the afternoon. There is a 40% chance of showers and thunderstorms developing. Any rainfall is expected to be minimal, with new amounts less than a tenth of an inch possible.
As evening approaches, the chance for storms continues before 7pm, with a 30% probability of precipitation. Overnight lows will settle near 74F, with temperatures rising slightly to around 76F later in the night. Winds will shift to south southeast at 5 to 10 mph.
Heat Index Rises Tomorrow
The pattern shifts tomorrow with a high near 92F and partly sunny skies. The humidity will persist, pushing heat index values as high as 99F. South southwest winds will range from 5 to 10 mph, with gusts up to 20 mph. The chance of precipitation drops significantly to just 9%.
Tomorrow night will see partly cloudy skies with a low around 76F. Temperatures may rise to around 78F overnight, with heat index values reaching 97F. South winds will continue at 5 to 10 mph.
