As of Jun 29, 4 AM local time.
Current Conditions and Humidity
It is currently Monday overnight in McKinney, TX, and the atmosphere remains notably humid. The air temperature is sitting at 82F, but the heat index makes it feel like 88F. Relative humidity is at 74%, with a dew point of 73F indicating significant moisture in the air. Winds are active, blowing at 17 mph with gusts reaching 25 mph, while the sky remains cloudy.
Today and Tonight Forecast
Today will be sunny with a high near 97F and a low near 78F. There is a 0% chance of precipitation. The National Weather Service indicates heat index values will reach as high as 102. South winds will range from 15 to 20 mph, with gusts as high as 30 mph.
Tonight, skies will transition to partly cloudy before becoming clear. Temperatures will drop to a low around 77F, though they may rise slightly to around 79F overnight. Heat index values will remain elevated, peaking near 100. South winds will continue at 10 to 20 mph, with gusts up to 30 mph.
Tomorrow Outlook
Tomorrow will also be sunny with a high near 96F and a low near 77F. Precipitation chances remain at 0%. Heat index values are expected to reach as high as 100.






