*As of Jul 30, 9 PM local time.*
Active Alert and Current Conditions
A Heat Advisory is currently in effect for McKinney, Texas, signaling dangerous heat conditions that require caution. The National Weather Service has issued this moderate-severity alert due to rising temperatures and high humidity levels.
Right now, the air temperature stands at 91F, but the combination of heat and moisture makes it feel significantly hotter. The current heat index is 101F. Humidity remains quite high, with a dew point of 73F and relative humidity at 56%. Winds are light from the south at 7 mph, with gusts reaching up to 9 mph, while the sky remains clear.
Forecast for Tonight and Tomorrow
Tonight, conditions will remain mostly clear. Temperatures will drop to a low near 80F, though they may rise slightly to around 83F later in the night. The heat index is expected to stay high, reaching values as high as 105. South winds will continue at 5 to 10 mph.
Tomorrow brings even more intense heat. Expect sunny skies with a high near 102F. This temperature spike will push the heat index to dangerous levels, with values as high as 110. Winds will shift to the southwest around 10 mph. The chance of precipitation remains very low at just 2%.
Looking ahead to tomorrow night, skies will turn mostly clear again. Lows will settle near 80F, potentially rising to around 82F overnight. Heat index values will remain elevated, peaking at 109. Southwest winds will persist at 5 to 10 mph.
