McKinney

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

Local business? Support local news on McKinneyWeekly.news

Back to Weather

5-day forecast / McKinney, TX

WednesdaySunny83° / 65° 7%
ThursdayPartly Sunny83° / 65° 2%
FridaySlight Chance Rain Showers75° / 60° 23%
SaturdayChance Showers And Thunderstorms77° / 59° 48%
SundayPartly Sunny80° / 63° 8%

McKinney Heat Index Hits 103 Today With Humid Skies - Jul 7, 4 PM

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

McKinney residents face a very hot Tuesday with a high near 97F and a heat index up to 103F. Humidity remains high with a dew point of 70F.

Cody Esparza· AI-assisted, edited by Jake Team

July 7, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Jul 7, 4 PM local time.*

Current Conditions and Heat Index

McKinney is experiencing very hot conditions this afternoon, with the air temperature at 93F and a feels-like temperature of 99F. The atmosphere is quite humid, indicated by a dew point of 70F and a relative humidity of 47%. Winds are light, blowing from the south southwest at 5 mph with gusts reaching 8 mph.

The sky currently shows signs of light rain, though precipitation amounts remain minimal.

Today and Tonight Forecast

Today, the high will reach near 97F, with heat index values climbing as high as 103F. The National Weather Service forecasts a slight chance of showers and thunderstorms, with a 20% probability of precipitation. Skies will be mostly sunny.

Overnight, temperatures will drop to a low near 75F, though they may rise to around 77F during the night. Conditions will be partly cloudy with a chance of showers and thunderstorms, bringing a 30% chance of precipitation. Heat index values will remain elevated, reaching up to 100F.

Winds will continue from the south southeast at around 5 mph.

Tomorrow Outlook

Tomorrow, McKinney will see sunny skies with a high near 99F. Temperatures are expected to fall to around 97F in the afternoon. The heat index will peak at 105F, making it feel even hotter than the actual air temperature.

There is a slight chance of showers and thunderstorms, with a 20% chance of precipitation. New rainfall amounts less than a tenth of an inch are possible. Winds will increase slightly, coming from the south southwest at 5 to 10 mph.

Overnight, skies will become mostly clear with a low around 77F. A slight chance of showers and thunderstorms is possible before 7pm, with a 20% chance of precipitation and new rainfall amounts less than a tenth of an inch. Heat index values will reach up to 101F, with south winds around 10 mph.

Safety Reminder

Given the high heat index values, it is important to stay hydrated and limit midday exertion. Check on neighbors and vulnerable individuals to ensure they are safe in the heat.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

Share

Cody Esparza· AI-assisted, edited by Jake Team

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

Related Stories

More in Sport

Sport

Rockets Hold Off Hawks in Atlanta 121-114

Houston improves to 3-0 with a road win over Atlanta. Kevin Durant scores 22 points while Jalen Johnson records a double-double for the Hawks.

Cody EsparzaOctober 25, 20262 min read
Sport

Dallas’s Comeback Ran Out of Offense

The Mavericks recovered from fourteen points down against San Antonio, then scored only seventeen in the final quarter of a 122-106 defeat.

Cody EsparzaOctober 25, 20263 min read