*As of Aug 13, 5 PM local time.*
Dangerous Heat Conditions Underway
McKinney, Texas, is currently under an active Heat Advisory issued by the National Weather Service in Fort Worth. This moderate-severity alert remains in effect until 8:00 PM CDT on August 14. The advisory highlights the significant risk posed by extreme heat and high humidity levels across the region.
Current conditions reflect the intensity of this weather pattern. As of this evening, the air temperature stands at 100F, but the combination of heat and moisture creates a feels-like temperature of 105F. The relative humidity is at 33%, with a dew point of 66F.
Winds are blowing from the south at 18 mph, with gusts reaching up to 32 mph. The sky remains clear, allowing for unobstructed solar heating during the day and rapid radiational cooling at night.
Forecast Outlook
The National Weather Service forecasts continued hot conditions through the end of the advisory period. Today is expected to be sunny with a high near 102F. Heat index values are projected to reach as high as 108. South winds will average around 15 mph, with gusts potentially hitting 25 mph. The chance of precipitation remains at 0%.
Tonight, skies will stay clear with a low near 79F. However, temperatures may rise slightly to around 81F overnight. Heat index values could still reach 106. South winds will persist at 10 to 15 mph, with gusts up to 25 mph.
Tomorrow brings no relief from the heat. The day will be sunny with a high near 101F. Heat index values are again expected to climb to 108. Winds will remain south at 10 to 15 mph, with gusts as high as 25 mph. The chance of rain stays at 0%.





