*As of Jul 6, 4 PM local time.*
Dangerous Heat and Humidity
McKinney is currently under the influence of dangerous heat conditions. The air temperature stands at 95F, but the combination of heat and moisture pushes the feels-like temperature to 101F. This significant heat index value indicates that the body’s cooling mechanism is struggling to keep up, making prolonged exposure risky.
Humidity levels are also quite high, with a dew point of 70F and relative humidity at 44%. Winds are light, blowing at 6 mph with gusts reaching 11 mph, offering little relief from the stifling atmosphere. The sky remains mostly clear, allowing the sun to intensify the heat.
Forecast for Today and Tomorrow
Today, the high will reach near 95F, with the low settling near 75F. There is a 26% chance of precipitation, with showers and thunderstorms expected to develop after 4pm. The National Weather Service notes that heat index values could climb as high as 103 during the day.
As evening approaches, the chance of showers and thunderstorms continues before 1am, with temperatures rising to around 77 overnight. Winds will shift to east southeast at 0 to 5 mph.
Tomorrow, conditions remain hot with a high near 95F and a low near 76F. The sky will be sunny initially, but a chance of showers and thunderstorms is expected after 1pm. Heat index values may reach 102.
