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 Persists: Highs Near 94F Today, 98F Tomorrow - Jul 18, 8 PM

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

McKinney residents face very hot conditions this evening with a feels-like temperature of 95F. Today's high will reach near 94F, with humidity levels making it feel even warmer. No severe weather alerts are currently active.

Cody Esparza

July 19, 20262 min read

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

*As of Jul 18, 8 PM local time.*

Current Conditions and Heat Index

It is currently Saturday evening in McKinney, TX, and the heat is palpable. The air temperature stands at 90F, but the combination of heat and moisture pushes the feels-like temperature to 95F. Relative humidity is at 52%, with a dew point of 70F, indicating quite humid air that traps warmth close to the ground.

Winds are blowing from the south at 13 mph, with gusts reaching up to 18 mph, providing minimal relief from the stifling conditions. The sky remains mostly clear, allowing residual daytime heat to linger as the sun sets.

Forecast for Today and Tomorrow

Today, temperatures will climb to a high near 94F before dropping to a low near 77F. The chance of precipitation is minimal at just 2%, with skies expected to be partly cloudy. As tonight approaches, conditions will remain partly cloudy with a low around 77F.

However, temperatures will rise to around 79F overnight, keeping the heat index values as high as 101. South winds will continue at 5 to 15 mph.

Tomorrow, the heat will intensify further. Expect sunny skies with a high near 98F. The heat index is projected to reach as high as 103, making it feel significantly hotter than the actual air temperature.

Winds will shift slightly to the south southwest at 5 to 10 mph. Tomorrow night will bring mostly clear skies, with a low around 78F. Temperatures will rise to around 80F overnight, with heat index values as high as 102.

South winds will persist at 5 to 10 mph.

Safety and Preparedness

There are no active National Weather Service or NOAA weather alerts for McKinney at this time. Despite the lack of severe weather warnings, the extreme heat poses significant risks. Residents should hydrate frequently and limit midday exertion to avoid heat-related illnesses.

Check on elderly neighbors and ensure pets have access to cool, shaded areas. The high humidity combined with rising temperatures creates a dangerous environment for prolonged outdoor activity. Stay indoors during the peak heat hours and use air conditioning if possible.

Monitor local updates for any changes in conditions, but for now, the primary concern is the persistent and intensifying 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