*As of Jul 12, 4 AM local time.*
Current Conditions and Humidity
It is currently Sunday overnight in McKinney, TX, and the air feels quite heavy with moisture. The current air temperature is 79F, but the heat index makes it feel like 82F. Relative humidity sits at 79%, driven by a dew point of 72F.
Despite the mugginess, the sky remains clear. Winds are light from the south at 5 mph, though gusts have reached up to 18 mph.
Today and Tonight Forecast
A chance of showers and thunderstorms is expected today. The sky will be partly sunny with a high near 93F. Heat index values could climb as high as 99F, making it feel significantly hotter than the actual air temperature.
South winds will remain around 5 mph. There is a 52% chance of precipitation, with new rainfall amounts between a quarter and half of an inch possible.
As evening approaches, conditions will shift. Tonight brings a chance of showers and thunderstorms, particularly after 4am. The sky will turn mostly cloudy with a low around 74F, though temperatures may rise to around 76F overnight. Southeast winds will be calm, ranging from 0 to 5 mph. The chance of precipitation remains at 50%, with another quarter to half an inch of rain possible.
Tomorrow Outlook
The pattern continues into tomorrow with a chance of showers and thunderstorms. The morning hours before 7am and the period between 7am and 1pm are highlighted for potential storms, followed by scattered chances later in the day. Expect partly sunny skies with a high near 90F.






