*As of Jul 31, 1 PM local time.*
Dangerous Heat Conditions
McKinney, Texas, is currently under an active Heat Advisory issued by the National Weather Service in Fort Worth. This moderate-severity alert remains in effect until the evening hours today, signaling dangerous heat conditions for the area. 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, contributing to the oppressive atmosphere.
The National Weather Service forecasts that heat index values could climb as high as 111 today due to sunny skies and southwest winds around 10 mph. Residents are urged to take this extreme heat seriously. The advisory highlights the risk of heat-related illnesses when exposed to these conditions for extended periods or during physical exertion.
Forecast Outlook
Today is expected to remain sunny with a high near 103F. The chance of precipitation is minimal at just 1%. As evening approaches, skies will transition to partly cloudy with temperatures dropping to a low near 80F.
However, the heat will linger overnight, with temperatures rising to around 82F and heat index values staying as high as 109. Winds will shift to west southwest at 5 to 10 mph.
Tomorrow brings slight relief but continued warmth. The forecast calls for mostly sunny skies with a high near 97F. Heat index values are expected to reach up to 97, so the heat advisory conditions may persist in terms of discomfort.






