As of Jul 3, 8 AM local time.
Current Conditions and Humidity
McKinney is experiencing notably humid air this Friday morning. The current air temperature stands at 79F, but the heat index feels like 82F due to the moisture in the atmosphere. The relative humidity is at 84%, with a dew point of 73F, creating a muggy start to the day.
Winds are blowing from the south at 7 mph, with gusts reaching up to 15 mph. The sky remains clear overhead at this time.
Today and Tonight Forecast
Temperatures are expected to climb significantly throughout the day. The high near 94F will be accompanied by heat index values as high as 99. The sky will be mostly sunny initially, but there is a slight chance of showers and thunderstorms after 4pm. The chance of precipitation is 16% overall for the day. Winds will remain from the south at 5 to 10 mph.
As evening approaches, the sky will become mostly clear. The low will drop to around 78F. Heat index values may still reach as high as 98 during the early evening hours. There is a slight chance of showers and thunderstorms before 7pm, with the chance of precipitation at 20%. Winds will continue from the south southeast at 5 to 10 mph.
Tomorrow Outlook
Conditions will remain hot and humid into tomorrow. The high will reach near 96F, with heat index values climbing as high as 102. The sky will be mostly sunny, followed by a slight chance of showers and thunderstorms after 4pm. The chance of precipitation is 17% for the day. Winds will be from the south at 5 to 10 mph.






