*As of Jul 17, 4 PM local time.*
Current Conditions and Heat Index
McKinney is experiencing very hot conditions this Friday afternoon. The air temperature stands at 90F, but the combination of heat and moisture makes it feel significantly warmer. The current feels-like temperature is 98F, driven by a dew point of 73F and relative humidity of 59%.
Winds are blowing from the south at 14 mph, with gusts reaching 20 mph. The sky is mostly cloudy, offering little relief from the sun's intensity.
Forecast for Today and Tonight
Today will see partly sunny skies with a high near 92F. The National Weather Service indicates that heat index values will climb as high as 100F during the peak heat of the day. There is a 19% chance of precipitation, though the primary focus remains on the elevated temperatures. South winds will average around 15 mph, with gusts potentially reaching 25 mph.
As evening approaches, conditions will shift to mostly cloudy skies. Temperatures will drop to a low near 75F, though they may rise slightly to around 77F overnight. The heat index will remain high, with values as high as 98F. Winds will decrease to a south wind of 5 to 15 mph. Despite the drop in air temperature, the humidity will keep the atmosphere feeling muggy.
Tomorrow Outlook
Tomorrow, McKinney will see mostly sunny skies with a high near 96F. This marks a significant increase in heat, with heat index values expected to reach as high as 101F. The chance of precipitation drops to just 3%, meaning clear skies will allow temperatures to climb further.
