*As of Jul 21, 12 PM local time.*
Dangerous Heat Conditions in Effect
McKinney, TX, is currently under an Extreme Heat Warning, a severe alert issued by the National Weather Service. The danger is immediate, with the air temperature at 97F and a feels-like temperature of 105F due to humidity. The relative humidity stands at 44%, with a dew point of 72F.
Winds are light, blowing at 3 mph with gusts up to 6 mph, under a clear sky.
The National Weather Service has highlighted the severity of the heat, noting that heat index values will reach as high as 113 today. Residents are advised to take this warning seriously. The high for today is near 104F, with a low near 82F.
The chance of precipitation is just 1%, with sunny skies expected throughout the day. Winds will remain light, from the west northwest at 0 to 5 mph.
Overnight and Tomorrow Forecast
Tonight, conditions will remain mostly clear. Temperatures will drop to a low around 82F, though they may rise to around 84F overnight. The heat index will remain high, with values as high as 111. Winds will shift to the southeast, blowing at 0 to 5 mph.
Tomorrow, the sun will return, bringing a high near 102F. The heat index is forecast to reach as high as 111. Winds will pick up slightly, coming from the north northeast at 0 to 10 mph. There is no chance of precipitation, with sunny skies expected.






