*As of Jul 8, 4 AM local time.*
Current Conditions and Humidity
It is currently Wednesday overnight in McKinney, TX, and the air remains quite heavy with moisture. The current air temperature sits at 77F, but the heat index makes it feel like 78F. Relative humidity is holding steady at 83%, with a dew point of 72F indicating significant moisture in the atmosphere.
Winds are light at 8 mph with gusts to 8 mph, and the sky is clear overhead.
Today and Tonight Forecast
Temperatures will rise sharply today, reaching a high near 98F. The National Weather Service indicates heat index values as high as 104F, making it feel significantly hotter than the actual air temperature. There is a slight chance of showers and thunderstorms today, with a 19% to 20% chance of precipitation.
Any rainfall is expected to be minimal, with new amounts less than a tenth of an inch possible. Winds will shift to the south southwest at 5 to 10 mph.
As evening approaches, the chance for storms remains slight before 7pm. Conditions will become mostly clear for the night. Lows will drop to around 76F, though temperatures may rise to around 78F overnight. Winds will ease to the south southeast around 5 mph. Residents should note that heat index values could remain elevated near 100F during the evening hours.






