*As of Jul 19, 12 PM local time.*
Current Conditions and Heat Risk
McKinney is currently under the influence of dangerous heat, with the air temperature at 91F but a feels-like temperature of 101F. The atmosphere is holding onto significant moisture, creating a dew point of 73F and a relative humidity of 56%. Winds are light, blowing from the south at 7 mph with gusts reaching 10 mph, while the sky remains clear overhead.
Today and Tonight Forecast
The National Weather Service indicates that today will be mostly sunny. Highs will reach near 97F, though temperatures are expected to dip slightly to around 95F in the afternoon. Heat index values could climb as high as 106 during the day. A south wind of 5 to 10 mph will persist.
As the sun sets, conditions will shift to mostly clear skies tonight. Temperatures will fall to a low near 79F, though they may rise slightly to around 81F during the overnight hours. The heat index will remain elevated, with values as high as 103. Winds will continue from the south at 5 to 10 mph. The chance of precipitation is minimal at 8%.
Tomorrow Outlook
Tomorrow will bring sunny skies with a high near 100F. The heat index is forecast to reach as high as 106. Winds will shift to the southwest at around 5 mph.
Overnight, skies will clear with a low around 80F, and temperatures may rise to around 82F later in the night. The heat index will stay high at 104, with south southwest winds around 5 mph. The chance of rain is negligible at 2%.
