McKinney

McKinneyWeekly.news · Historic charm. Modern McKinney stories.

Back to Weather

5-day forecast / McKinney, TX

TuesdaySunny102° / 80°
WednesdaySunny101° / 81° 1%
ThursdayMostly Sunny101° / 81° 2%
FridayMostly Sunny103° / 82° 6%
SaturdaySunny100° / 76° 7%

McKinney Heat Advisory in Effect as Temperatures Climb to 98F - Jul 23, 12 PM

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

A Heat Advisory is active for McKinney, TX, with heat index values reaching up to 109F. Current conditions are hot and humid with clear skies.

Cody Esparza

July 23, 20262 min read

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

*As of Jul 23, 12 PM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for McKinney, Texas, signaling dangerous heat levels that require caution. The National Weather Service has issued this moderate-severity alert to warn residents of the potential for heat-related illnesses. As of this afternoon, the air temperature stands at 86F, but the combination of heat and moisture makes it feel significantly hotter.

The feels-like temperature is currently 93F, driven by a relative humidity of 66% and a dew point of 73F. These humidity levels indicate quite humid air, which hinders the body's ability to cool itself through sweat.

Winds are currently blowing from the east at 10 mph, with gusts reaching up to 16 mph. The sky remains clear, allowing full solar radiation to intensify the heat. This advisory underscores the urgency for residents to stay hydrated and limit time spent outdoors during the peak heat hours.

Forecast for Today and Tomorrow

Today, McKinney will experience sunny skies with a high near 98F. The heat index is expected to reach as high as 106F due to the east wind of 10 to 15 mph. The chance of precipitation is minimal at just 1%, meaning the heat will persist without relief from rain.

Temperatures will drop to a low near 79F tonight. Conditions will become mostly clear, but the heat will linger, with heat index values as high as 105F. Winds will shift to east southeast at 5 to 15 mph.

Tomorrow, the heat will continue with mostly sunny skies and a high near 97F. The heat index is projected to climb even higher, reaching up to 109F. South southeast winds of 10 to 15 mph will accompany these conditions.

The chance of precipitation remains at 0%. Overnight, temperatures will fall to a low around 80F, though they may rise to around 82F later in the night. Heat index values will remain elevated at up to 105F, with south winds of 10 to 15 mph.

Safety Reminders

Given the active Heat Advisory and high heat index values, it is critical to prioritize safety. Stay hydrated by drinking water frequently, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Check on elderly neighbors and those without air conditioning, as they are at higher risk. If you must be outside, seek shade and wear lightweight, light-colored clothing to help manage the extreme heat.

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