McKinney

McKinneyWeekly.news · Historic charm. Modern McKinney stories.

Back to Weather

5-day forecast / McKinney, TX

TuesdaySunny99° / 79° 1%
WednesdaySunny100° / 79°
ThursdaySunny100° / 79°
FridaySunny100° / 80°
SaturdaySunny101° / 79°

McKinney Heat Advisory in Effect as Temperatures Climb Near 100 - Aug 11, 8 AM

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

A Heat Advisory is active for McKinney, TX, with highs near 99F and heat index values up to 106. Humidity remains high with a dew point of 73F.

Cody Esparza

August 11, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

*As of Aug 11, 8 AM local time.*

Current Conditions and Alert Status

McKinney, TX, is currently under an active Heat Advisory issued by the National Weather Service. This moderate-severity alert, which carries an expected urgency level, is in effect until the evening hours. The advisory highlights the dangerous combination of high temperatures and humidity that will impact the area.

Right now, the air temperature stands at 81F, but the heat index makes it feel like 85F. Humidity levels are notably high, with relative humidity at 79% and a dew point of 73F. The sky is clear, and winds are blowing from the south southwest at 11 mph, with gusts reaching up to 20 mph.

Forecast for Today and Tomorrow

Today will be sunny with a high near 99F. The heat index values are expected to reach as high as 106. South southwest winds will continue around 10 mph, with gusts as high as 20 mph. There is only a 1% chance of precipitation.

Tonight, conditions will remain mostly clear with a low near 79F. Temperatures may rise slightly to around 81F overnight. The heat index will stay elevated, reaching up to 104. South winds will persist at 10 to 15 mph.

Tomorrow is forecast to be sunny with a high near 100F. Heat index values will climb to as high as 104. South winds will range from 10 to 15 mph, with gusts potentially hitting 25 mph. The chance of precipitation drops to 0%.

Safety Reminders

Given the active Heat Advisory and the oppressive humidity, residents are urged to take precautions. Extreme heat can be dangerous, especially when combined with high dew points. Stay hydrated by drinking plenty of water throughout the day.

Limit outdoor exertion during the hottest parts of the afternoon. Check on elderly neighbors or those who may be vulnerable to heat-related illnesses. If you must be outside, seek air-conditioned spaces whenever possible and wear lightweight, light-colored clothing.

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

Sport

DeGrom, Seager Power Rangers Past Orioles

Jacob deGrom struck out nine batters while Corey Seager hit a three-run homer to lead the Texas Rangers to a 5-1 victory over the Baltimore Orioles.

Cody EsparzaAugust 9, 20262 min read