As of Jul 4, 12 PM local time.
Current Conditions and Heat Index
McKinney, TX is experiencing very hot conditions this Saturday afternoon. The air temperature is currently 91F, but the heat index makes it feel like 97F. Relative humidity stands at 49%, with a dew point of 70F, indicating quite humid air that contributes to the muggy atmosphere.
Winds are light, blowing from the south southwest at 5 mph with gusts reaching 6 mph. The sky remains clear overhead.
Forecast for Today and Tonight
Today, highs will reach near 97F, with heat index values climbing as high as 104. The day begins sunny, but there is a slight chance of showers and thunderstorms after 4pm. Overnight, conditions will become mostly clear with a low around 77F.
Temperatures may rise slightly to around 79F during the night. Heat index values will remain elevated, reaching up to 102. Winds will shift to the southeast, increasing to 5 to 10 mph.
There is a slight chance of showers and thunderstorms before 7pm.
Tomorrow's Outlook
Tomorrow, McKinney will see similar temperatures, with a high near 97F. The sky will be mostly sunny, but there is a chance of showers and thunderstorms after 4pm. The heat index is expected to peak around 101.






