*As of Jul 19, 4 AM local time.*
Current Conditions and Humidity
It is currently Sunday overnight in McKinney, TX, and the air remains quite humid. The current air temperature is 79F, but the feels-like temperature is 82F due to the moisture in the air. Relative humidity sits at 84%, with a dew point of 73F. Winds are light at 6 mph with gusts up to 12 mph, and the sky is clear.
Today and Tonight Forecast
Today will be sunny with a high near 97F. The low will drop to near 77F. There is a 14% chance of precipitation. According to the National Weather Service, heat index values will reach as high as 104F. Winds will be from the south southwest at 5 to 10 mph.
Tonight, conditions will be mostly clear. Temperatures will fall to a low around 79F, with readings rising to around 81F later in the night. The heat index will remain elevated, reaching as high as 102F. South winds will persist at 5 to 10 mph.
Tomorrow Outlook
Tomorrow will also be sunny, with a high near 100F. The low will be near 80F. The chance of precipitation drops to just 2%.
Heat index values are expected to climb as high as 106F. Winds will shift to the southwest at around 5 mph. Tomorrow night will be clear, with a low around 80F and temperatures rising to around 82F overnight.






