*As of Aug 17, 11 AM local time.*
Extreme Heat and Air Quality Concerns
A Heat Advisory is currently in effect for McKinney, signaling dangerous heat conditions. The National Weather Service has issued this moderate-severity alert, which is expected to remain active until this evening. Additionally, an Air Quality Alert is in place, suggesting that sensitive groups should monitor their health. The combination of intense heat and potential air quality issues requires careful attention from all residents.
Current conditions reflect the onset of this heat wave. The air temperature is 93F, but the heat index makes it feel like 95F. Relative humidity stands at 39%, with a dew point of 64F.
Winds are light at 6 mph, with gusts reaching 12 mph, and the sky is mostly clear. These dry, hot conditions will persist throughout the day, creating a significant risk for heat-related illness if proper precautions are not taken.
Forecast and Safety Reminders
Today will be sunny with a high near 105F. The chance of precipitation is only 9%, meaning rain is unlikely to provide relief. Tonight, skies will remain mostly clear, with lows near 80F before rising to around 82F overnight.
Heat index values could reach 104F. Tomorrow will follow a similar pattern, with sunny skies and a high near 105F. The chance of rain drops to 2%, and heat index values may climb to 108F.
