*As of Jul 30, 4 PM local time.*
Dangerous Heat Conditions Underway
McKinney, Texas, is currently under an active Heat Advisory issued by the National Weather Service. This moderate-severity alert remains in effect until late tomorrow evening, signaling a period of potentially hazardous heat for the area. As of this Thursday afternoon, the air temperature stands at 99F, but the combination of heat and humidity makes it feel significantly hotter, with a feels-like temperature of 108F.
The relative humidity is at 42%, with a dew point of 72F, contributing to the muggy atmosphere.
Forecast for Today and Tomorrow
The National Weather Service forecasts sunny skies for today, with a high near 100F. Heat index values are expected to climb as high as 109 during the day. Winds will be from the south around 10 mph. The chance of precipitation is minimal at just 1%.
Tonight, conditions will remain mostly clear with a low around 80F. Temperatures may rise slightly to around 83 overnight. Heat index values could reach as high as 108, even after sunset. South winds will persist at 5 to 10 mph.
Tomorrow brings continued sunny skies and rising temperatures, with a high near 102F. The heat index is projected to peak at 110, marking the most intense heat of this advisory period. Winds will shift to the southwest around 10 mph.
The chance of rain remains very low at 2%. Tomorrow night will be mostly clear with a low around 80F and temperatures rising to about 82 overnight. Heat index values will stay elevated near 109, with southwest winds of 5 to 10 mph.
