McKinney

McKinneyWeekly.news — Historic charm. News from McKinney's neighborhoods.

Back to Weather

5-day forecast / McKinney, TX

FridaySlight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms97° / 77° 25%
SaturdaySunny100° / 77° 4%
SundaySunny99° / 77° 2%
MondaySunny99° / 78° 1%
TuesdaySunny99° / 77° 2%

McKinney Weather: High Humidity and Heat Index Near 105 Expected Today - Sep 3, 2 PM

McKinney weather, updated every four hours — local forecasts you can trust.

McKinney residents should prepare for muggy conditions with a current feels-like temperature of 96F. A chance of showers and thunderstorms exists today, with highs near 90F and heat index values reaching 105F.

Cody Esparza

September 3, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 3, 2 PM local time.*

Current Conditions and Heat

It is currently Thursday afternoon in McKinney, where the air temperature stands at 88F. However, the combination of 62% relative humidity and a dew point of 73F creates a muggy atmosphere, making the air feel like 96F. The sky is partly cloudy, and winds are blowing from the south southeast at 15 mph, with gusts reaching 14 mph.

These conditions contribute to the significant heat index values expected later in the day.

Today and Tonight Outlook

Residents should expect a chance of showers and thunderstorms today. The day will be mostly sunny, with a high near 90F. Due to the humidity, heat index values are projected to reach as high as 105F.

Winds will continue from the south southeast around 15 mph, with gusts potentially reaching 25 mph. The chance of precipitation is 40%, and new rainfall amounts are expected to be less than a tenth of an inch.

Tonight, the chance for showers and thunderstorms persists, with a 30% probability of precipitation. The sky will be partly cloudy, and temperatures will drop to a low around 74F before rising to around 76F overnight. Heat index values may reach 100F.

Winds will shift to 5 to 15 mph from the south southeast, with gusts up to 25 mph. Rainfall remains likely to be minimal, staying under a tenth of an inch.

Tomorrow's Forecast

Tomorrow brings a slight chance of rain showers before 7am. Afterward, the sky will become mostly sunny, with a high near 96F. The heat index is expected to climb to 107F.

Winds will be lighter, ranging from 5 to 10 mph from the south southeast. The chance of precipitation is 20%, with any rainfall expected to be less than a tenth of an inch. Given the extreme heat and humidity, it is wise to stay hydrated and limit midday exertion.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

Share

Cody Esparza

Cody Esparza covers McKinney city hall, the council, and county government.

Related Stories

More in Sport