McKinney Heat Index Hits 105 Today; Showers Possible Tomorrow - Jul 11, 12 PM

*As of Jul 11, 12 PM local time.*

Current Conditions and Heat

McKinney is experiencing very hot conditions this afternoon. The air temperature stands at 90F, but the heat index makes it feel like 96F. Humidity is quite noticeable, with a dew point of 72F and relative humidity at 56%. Winds are blowing from the south at 8 mph, with gusts reaching 14 mph. The sky remains clear overhead.

Today and Tonight Forecast

Today will be sunny with a high near 98F. The National Weather Service indicates heat index values can reach as high as 105. South winds will be around 10 mph.

Temperatures will drop to a low near 78F tonight. The sky will be mostly clear, though temperatures may rise to around 80F during the overnight hours. Heat index values could hit 103 tonight.

South winds will decrease to 5 to 10 mph.

Tomorrow Outlook

Conditions will shift tomorrow with a high near 96F. The sky will be mostly sunny. There is a 40% chance of precipitation.

Rain showers are possible between 10am and 1pm, followed by a chance of showers and thunderstorms from 1pm to 4pm. New rainfall amounts between a quarter and half of an inch are possible. Heat index values may reach 105.

South southwest winds will be around 5 mph.

Safety Reminders

Given the high temperatures and humidity, it is important to stay hydrated and limit midday exertion. Check on neighbors who may be vulnerable to the heat. While there are no active weather alerts, be prepared for potential thunderstorms tomorrow afternoon. Carry an umbrella if you plan to be outdoors later in the day.

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Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com