*As of Aug 20, 2 PM local time.*
Severe Heat Alert in Effect
An active Extreme Heat Warning is currently in place for the McKinney area, issued by the National Weather Service in Fort Worth. This severe alert remains in effect until 8:00 PM CDT on August 21. The dangerous heat is already evident, with the current air temperature sitting at 100F and the feels-like temperature reaching 105F.
The dry air, indicated by a relative humidity of 33% and a dew point of 66F, contributes to the intense heat index values expected today, which can reach as high as 109F. Winds are light, blowing from the south southwest at around 5 mph, with current gusts reaching 8 mph. The sky remains clear, offering no relief from the direct solar radiation.
Today and Tonight Outlook
Today will remain sunny with a high near 105F. The chance of precipitation is low at 8%. As evening approaches, conditions will shift slightly.
Tonight, there is a slight chance of showers and thunderstorms between 7 PM and 10 PM. Otherwise, the sky will be mostly clear. Temperatures will drop to a low around 81F, though they may rise to around 84F overnight.
Heat index values will still reach 107F, and winds will continue from the south at approximately 5 mph.
