*As of Jul 8, 12 PM local time.*
Current Conditions and Heat Index
McKinney is experiencing very hot conditions this Wednesday afternoon. The air temperature stands at 91F, but the heat index makes it feel like 99F. Humidity levels are quite high, with a dew point of 72F and relative humidity at 53%. The sky remains clear, and winds are blowing from the south southwest at 6 mph, with gusts reaching up to 9 mph.
Today and Tonight Forecast
Temperatures will climb to a high near 98F today. The National Weather Service indicates a slight chance of showers and thunderstorms, with a 20% probability of precipitation. Any rainfall is expected to be minimal, with new amounts less than a tenth of an inch possible. Heat index values may reach as high as 104 during the day.
As evening approaches, the chance for showers and thunderstorms continues before 7pm. The sky will become mostly clear overnight, with a low around 79F. The heat index will remain elevated, with values as high as 100. Winds will shift to the south at around 10 mph.
Tomorrow Outlook
Conditions will improve significantly by tomorrow. The forecast calls for sunny skies with a high near 99F. The chance of precipitation drops to 0%, meaning no rain is expected. Heat index values will be as high as 102. Winds will increase slightly, coming from the south southwest at 10 to 15 mph.
