Humidity Lingers in McKinney as Temperatures Climb Toward 96 - Jul 17, 8 PM

*As of Jul 17, 8 PM local time.*

Current Conditions and Humidity

The air in McKinney remains quite humid this evening, with a dew point of 72F and relative humidity at 59%. The current air temperature stands at 88F, but the combination of heat and moisture pushes the feels-like temperature to 94F. Winds are blowing from the south at 11 mph, with gusts reaching up to 17 mph.

Despite the heavy moisture in the air, the sky remains clear overhead.

Forecast for Today and Tonight

Today, the high is expected to reach near 92F under mostly cloudy skies. The chance of precipitation is low at 9%. As evening sets in, conditions will remain mostly cloudy with a low near 75F.

However, temperatures will rise to around 77F during the overnight hours. The heat index is forecast to climb as high as 98F. South winds will continue at 5 to 15 mph, maintaining the muggy atmosphere.

Tomorrow’s Outlook

Tomorrow, the weather will shift to mostly sunny skies. The high will approach 96F, making it significantly warmer than today. The heat index is expected to peak at 101F, indicating dangerous levels of heat stress for those spending time outdoors.

South winds will be lighter, ranging from 5 to 10 mph. The chance of rain drops to just 3%. Following tomorrow, the sky will clear to mostly clear conditions with a low around 77F, though temperatures will rise to around 79F overnight with heat indices up to 99F.

Safety Reminders

With heat indices nearing 101F, it is crucial to stay hydrated and limit midday exertion. Wear lightweight, light-colored clothing and seek air-conditioned environments when possible. Check on elderly neighbors or those without adequate cooling, as high humidity can make the heat feel more oppressive than the actual air temperature suggests. Always monitor local updates for any changes in conditions.

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Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com