*As of Jul 25, 4 AM local time.*
Current Conditions and Alert Status
A Heat Advisory is currently in effect for McKinney, Texas, signaling moderate severity and expected urgency. Residents should prepare for dangerously hot conditions as the region moves through the overnight hours on Saturday. The National Weather Service has issued this advisory to warn of the significant heat stress that will develop over the next day.
Right now, the air temperature stands at 82F, but the combination of heat and moisture makes it feel like 88F. The relative humidity is at 74%, with a dew point of 73F, indicating quite humid air that will linger through the night. Winds are blowing from the south at 9 mph, with gusts reaching up to 21 mph.
The sky remains clear overhead as the day transitions into night.
Forecast for Today and Tomorrow
Today, McKinney will experience sunny skies with a high near 99F. The low will drop to around 80F. There is only a 2% chance of precipitation, so rain is not expected. The National Weather Service notes that heat index values will reach as high as 109F during the day. Winds will be from the south southwest around 10 mph.
Tonight, conditions will shift to partly cloudy skies before becoming mostly clear. Temperatures will fall to a low around 80F, though they may rise slightly to around 82F overnight. The heat index is expected to peak at 105F. South southwest winds will persist at 5 to 10 mph, with gusts as high as 20 mph.
Tomorrow, the heat will intensify with sunny skies and a high near 101F. The low will remain near 80F. There is a 0% chance of precipitation. Heat index values will again climb to 109F. Winds will continue from the south southwest at 5 to 10 mph. Tomorrow night will be clear with a low around 80F and south winds of 5 to 10 mph.
