*As of Jul 22, 8 AM local time.*
Current Conditions and Alerts
McKinney, TX, is currently under a significant weather watch as an Extreme Heat Warning and a Heat Advisory remain active. The National Weather Service in Fort Worth has issued these alerts due to dangerously high temperatures and oppressive humidity. Additionally, an Air Quality Alert is in effect, adding another layer of concern for residents.
Right now, the air temperature stands at 82F, but the heat index makes it feel like 89F. The relative humidity is at 79%, with a dew point of 75F, creating a muggy atmosphere. Winds are currently calm at 0 mph, though gusts may reach up to 12 mph. The sky remains clear overhead.
Forecast for Today and Tomorrow
Today, the sun will be out with no rain expected, as the chance of precipitation is just 2%. The high will reach near 102F. According to the National Weather Service, heat index values will climb as high as 114.
Northeast winds will blow between 5 to 10 mph. Temperatures will drop to a low near 77F tonight. The sky will stay clear, but the heat will linger, with heat index values as high as 109.
Overnight, temperatures may rise slightly to around 79F. East northeast winds will continue at 5 to 10 mph.
Tomorrow, conditions will remain sunny with a high near 98F. The chance of precipitation is minimal at 1%. Heat index values are expected to peak around 105.






