*As of Jul 24, 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. The National Weather Service has issued this alert to warn of dangerously hot conditions. As of Friday overnight, the air temperature stands at 81F, with a feels-like temperature of 86F.
Humidity levels are high, with relative humidity at 84% and a dew point of 75F, creating an oppressively humid atmosphere. Winds are blowing at 10 mph with gusts reaching 20 mph, under a mostly cloudy sky.
Forecast for Today and Tomorrow
Today, conditions will shift to partly sunny skies with a high near 97F. The low will drop to around 79F. There is a minimal chance of precipitation at 6%. The National Weather Service notes that heat index values could reach as high as 107, driven by south southeast winds of 10 to 15 mph.
Tonight, the sky will become mostly clear, allowing temperatures to settle around 79F. Southeast winds will ease to 5 to 10 mph. However, as the night progresses, conditions will turn partly cloudy with a low around 80F. Temperatures may rise to around 82F overnight, with heat index values peaking at 106. South winds will continue at 10 to 15 mph.
Tomorrow, the heat will intensify further with mostly sunny skies and a high near 99F. The low will be around 80F. Precipitation chances drop to just 1%.
Heat index values are expected to climb as high as 107 again. Winds will shift to the south southwest at around 10 mph. Tomorrow night will bring mostly clear skies with a low around 80F, rising to 82F overnight, with south winds of 5 to 10 mph.






