*As of Jul 28, 4 PM local time.*
Dangerous Heat Conditions Underway
A Heat Advisory is currently in effect for McKinney, Texas, signaling dangerous heat conditions that require caution. As of this afternoon, the air temperature stands at 97F, but the combination of heat and humidity makes it feel like 104F. The relative humidity is at 42%, with a dew point of 70F, creating a muggy atmosphere that intensifies the perceived heat.
Winds are blowing from the south-southeast at 8 mph, with gusts reaching up to 12 mph, while the sky remains clear.
The National Weather Service has issued this advisory with moderate severity and expected urgency. The official alert runs from July 28 at 12:31PM CDT until July 29 at 8:00PM CDT. During this period, heat index values are expected to reach as high as 111.
This means that even though the actual air temperature may be lower, the body’s ability to cool itself through sweating is compromised, increasing the risk of heat-related illnesses.
Forecast for Today and Tomorrow
Today, McKinney will experience sunny skies with a high near 102F. The chance of precipitation is 0%, ensuring dry conditions throughout the day. Overnight, skies will become mostly clear, with a low around 80F.
Temperatures may rise slightly to around 83F during the night. Heat index values will remain elevated, reaching as high as 109F. Winds will shift to the south at 5 to 10 mph.
