*As of Jul 11, 8 AM local time.*
Current Conditions and Heat Index
McKinney is experiencing quite humid conditions this morning, with a dew point of 72F and relative humidity at 74%. The air temperature stands at 81F, but the heat index makes it feel like 85F. Winds are blowing from the south at 9 mph, with gusts reaching 17 mph, under a clear sky.
Today's Forecast
Expect a sunny day today with a high near 98F. The National Weather Service indicates heat index values will climb as high as 105. South winds will persist at 5 to 10 mph.
Overnight, skies will become mostly clear, with a low around 78F. Temperatures may rise to around 80F during the night, keeping the heat index as high as 103. There is only a 1% chance of precipitation today.
Tomorrow's Outlook
Conditions will shift tomorrow with a high near 96F and a low near 75F. The chance of precipitation rises to 40%. A slight chance of rain showers is possible between 10am and 1pm, followed by a chance of showers and thunderstorms between 1pm and 4pm.
Temperatures may fall to around 94F in the afternoon. South southwest winds will be around 5 mph. New rainfall amounts between a quarter and half of an inch are possible.






