*As of Aug 27, 6 AM local time.*
Extreme Heat and Air Quality Concerns
McKinney is currently under a Heat Advisory and an Air Quality Alert issued by the National Weather Service. The Heat Advisory, which carries a moderate severity, is expected to remain in effect until this evening. Additionally, an Air Quality Alert has been active since yesterday afternoon. These conditions, combined with the current weather, require residents to take specific precautions to ensure their safety and health.
Right now, the air temperature is 77F, but it feels like 78F due to high humidity. The relative humidity stands at 78%, with a dew point of 70F, making the air feel quite muggy. Winds are light at 3 mph, with gusts reaching 10 mph, and the sky is clear.
This combination of heat and humidity will persist throughout the day, leading to dangerous heat index values.
Today's Forecast and Safety Reminders
Today will be sunny with a high near 100F. The heat index values could reach as high as 104F, significantly increasing the risk of heat-related illness. The chance of precipitation is low at 10%. Tonight, conditions will remain warm with a low around 77F, and the sky will be mostly clear. Winds will be nearly calm, around 0 mph from the north.
Given the active alerts and the extreme heat, it is crucial to stay hydrated and limit midday exertion. Avoid prolonged exposure to the sun, and check on vulnerable neighbors, especially the elderly and those without air conditioning. The Air Quality Alert suggests that sensitive groups should consider limiting outdoor activities to reduce exposure to pollutants.
Stay informed and take these precautions seriously to protect your health during this hot and humid period.
