*As of Aug 4, 8 AM local time.*
Air quality and heat lead the forecast
McKinney is dealing with an active air quality alert as very hot, humid weather builds into the forecast. This morning, conditions are clear with an air temperature of 79F and a feels-like reading of 80F. Relative humidity is 74%, and the dew point is 70F, keeping the air feeling quite muggy. Wind is 5 mph, with gusts up to 16 mph.
Today, tonight and tomorrow
Today will be sunny, with a high near 101F and a low near 78F. The chance of precipitation is only 2%. Heat index values may reach 101, and south southeast wind is expected at 5 to 10 mph.
Tonight stays mostly clear, with a low around 78 and temperatures rising to around 80. Heat index values may be as high as 102, with south wind at 5 to 10 mph.
Tomorrow is expected to be sunny again, with a high near 101F and a low near 80F. The chance of precipitation remains 2%. Heat index values may reach 104, with south southwest wind at 5 to 10 mph.
