As of Jul 2, 4 PM local time.
Current Conditions and Heat Index
McKinney is experiencing very hot conditions this afternoon. The air temperature currently stands at 93F, but the combination of heat and moisture makes it feel significantly warmer. The heat index, or "feels like" temperature, is at 99F.
This level of apparent heat is driven by a dew point of 70F and a relative humidity of 47%. Winds are blowing from the south-southeast at 9 mph, with gusts reaching 12 mph. The sky remains clear overhead, allowing full solar intensity to contribute to the rising temperatures.
Forecast for Today and Tomorrow
Today will remain mostly sunny with a high near 95F. The heat index is expected to reach values as high as 99F. Overnight, conditions will shift to mostly clear skies.
Temperatures will drop to a low near 77F, though they may rise slightly to around 79F during the night. Winds will ease to 5 to 10 mph from the southeast. There is a 20% chance of precipitation tonight, though skies will remain largely dry.
Tomorrow brings similar warmth with a high near 95F and a low near 78F. The day will start mostly sunny, but a slight chance of showers and thunderstorms is possible after 4pm. The heat index could climb as high as 101F during the afternoon.
Winds will be from the south at 5 to 10 mph. Overnight tomorrow, there is a slight chance of showers and thunderstorms before 7pm. Skies will clear to mostly clear with a low around 78F, rising to 80F later.
