As of Jul 1, 8 AM local time.
Current Conditions and Humidity
It is currently Wednesday this morning in McKinney, TX, and the air feels heavy with moisture. The current air temperature stands at 81F, but the heat index makes it feel like 85F. Relative humidity is sitting at 79%, with a dew point of 73F, indicating quite humid conditions that will persist through the day.
Winds are blowing from the south at 10 mph, with gusts reaching up to 22 mph. The sky remains mostly clear, allowing the sun to intensify the heat rapidly.
Today and Tonight Forecast
Today will be sunny with a high near 97F. The National Weather Service indicates heat index values as high as 102 during the afternoon hours. South winds will range from 5 to 10 mph, with gusts as high as 20 mph. The chance of precipitation is only 3%, so expect dry conditions despite the muggy air.
Tonight, skies will turn mostly clear. Temperatures will drop to a low around 78F, but the heat will linger, with temperatures rising to around 80F overnight. Heat index values will remain as high as 99. Winds will shift slightly to the south southeast, blowing at 5 to 15 mph. The humidity will keep the night from providing much relief from the daytime heat.
Tomorrow Outlook
Tomorrow will also be sunny, with a high near 96F. The heat index is expected to climb even higher, reaching values as high as 103. South southeast winds will be lighter, ranging from 5 to 10 mph.






