*As of Jul 26, 8 PM local time.*
Current Conditions and Alert Status
A Heat Advisory is currently in effect for McKinney, Texas, signaling moderate severity and expected urgency. The National Weather Service has issued this advisory to warn residents of dangerously high heat values that will persist through the evening and into the next day.
As of this Sunday evening, the air temperature stands at 91F, with a feels-like temperature of 94F. The relative humidity is at 44%, and the dew point is 66F. Winds are blowing from the south at 9 mph, with gusts reaching up to 14 mph. The sky remains clear, offering no immediate relief from the day's warmth.
Forecast for Today, Tonight, and Tomorrow
Today, McKinney is expected to see a high near 98F and a low near 78F. The sky will remain mostly clear, with no chance of precipitation. As tonight approaches, conditions will stay mostly clear with a low around 78F.
Temperatures may rise to around 80F overnight. Heat index values are forecast to reach as high as 107F. South winds will continue at 5 to 10 mph.
Tomorrow, the heat will intensify significantly. The sky will be sunny, with a high near 102F. There is still no chance of precipitation.
Heat index values are expected to climb as high as 108F. Winds will shift to the south southwest, maintaining speeds of 5 to 10 mph. Following tomorrow, the outlook shows mostly clear skies with a low around 79F, and temperatures rising to around 81F overnight, with heat indices up to 106F.
