*As of Aug 8, 12 AM local time.*
Current Conditions and Humidity
It is currently Saturday overnight in McKinney, TX, with conditions defined by significant moisture in the air. The air temperature stands at 81F, but the relative humidity of 70% and a dew point of 70F create a muggy atmosphere. This results in a feels-like temperature of 84F.
Winds are blowing from the south-southwest at 7 mph with gusts reaching 14 mph, while the sky remains clear.
Forecast for Today and Tonight
The day ahead will be hot and humid. Highs are expected to reach near 99F. The National Weather Service indicates a heat index as high as 104 during peak hours.
Skies will start mostly sunny but transition to include a slight chance of showers and thunderstorms after 4pm. The chance of precipitation is listed at 16% for the day, though official guidance notes a 20% chance specifically before 7pm tonight.
Tonight, conditions will shift to partly cloudy skies with a low around 78F. Temperatures may rise slightly to around 79F overnight. Winds will continue from the south-southeast at 5 to 10 mph. The heat index is expected to remain high, with values reaching up to 102. There remains a slight chance for showers and thunderstorms before 7pm.
