*As of Sep 3, 2 PM local time.*
Current Conditions and Heat
It is currently Thursday afternoon in McKinney, where the air temperature stands at 88F. However, the combination of 62% relative humidity and a dew point of 73F creates a muggy atmosphere, making the air feel like 96F. The sky is partly cloudy, and winds are blowing from the south southeast at 15 mph, with gusts reaching 14 mph.
These conditions contribute to the significant heat index values expected later in the day.
Today and Tonight Outlook
Residents should expect a chance of showers and thunderstorms today. The day will be mostly sunny, with a high near 90F. Due to the humidity, heat index values are projected to reach as high as 105F.
Winds will continue from the south southeast around 15 mph, with gusts potentially reaching 25 mph. The chance of precipitation is 40%, and new rainfall amounts are expected to be less than a tenth of an inch.
Tonight, the chance for showers and thunderstorms persists, with a 30% probability of precipitation. The sky will be partly cloudy, and temperatures will drop to a low around 74F before rising to around 76F overnight. Heat index values may reach 100F.
Winds will shift to 5 to 15 mph from the south southeast, with gusts up to 25 mph. Rainfall remains likely to be minimal, staying under a tenth of an inch.


