*As of Jul 20, 8 PM local time.*
Dangerous Heat Conditions Underway
A Heat Advisory is currently in effect for McKinney, Texas, signaling dangerous heat conditions for the area. The National Weather Service has issued this moderate-severity alert due to the combination of high temperatures and significant humidity. Right now, the air temperature stands at 91F, but the heat index makes it feel like 101F.
The air is quite humid, with a dew point of 73F and relative humidity at 56%. Winds are currently blowing from the south at 6 mph, with gusts reaching up to 10 mph, under clear skies.
Forecast for Today and Tomorrow
Today, McKinney will see clear skies with a high near 98F and a low around 80F. The chance of precipitation is minimal at just 2%. As tonight approaches, conditions will remain clear with a low around 80F. Heat index values are expected to climb as high as 104F. South winds will persist at 5 to 10 mph.
Tomorrow brings even more intense heat. The sky will be sunny with a high near 103F. The heat index is forecast to reach as high as 109F, creating hazardous conditions for outdoor activities.
Winds will shift to the southwest and decrease to 0 to 5 mph. The chance of rain remains negligible at 1%. Overnight into tomorrow night, skies will clear again with a low around 82F.
Temperatures may rise slightly to around 84F during the night, with heat index values staying high at 108F. Winds will be light from the south-southeast at 0 to 5 mph.
