*As of Jul 6, 12 PM local time.*
Current Conditions and Heat Index
It is currently Monday afternoon in McKinney, TX, where the air temperature stands at 90F. Due to a dew point of 70F and relative humidity of 52%, the heat index is making it feel like 95F. The sky remains clear with winds at 0 mph and gusts up to 8 mph.
This combination of high heat and noticeable humidity creates a muggy atmosphere that can feel oppressive during the peak of the day.
Today and Tonight Forecast
Today, the high will reach near 95F, with temperatures settling around 93F in the afternoon. The National Weather Service indicates a slight chance of showers and thunderstorms after 4pm. The heat index is expected to climb as high as 102 during the day.
As evening approaches, skies will turn partly cloudy with a low near 74F. There is a slight chance of showers and thunderstorms before 10pm. Overnight, temperatures may rise slightly to around 76F, with heat index values staying as high as 99.
Winds will remain light from the southeast at 0 to 5 mph. The chance of precipitation is 20% for both the afternoon and evening periods.
Tomorrow Outlook
Tomorrow, conditions will remain hot and humid. The high will be near 94F, dropping to around 92F in the afternoon. A chance of showers and thunderstorms is expected after 1pm, with the overall chance of precipitation at 30%.






