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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 Faces Severe Heat Warning With Highs Near 106 - Aug 18, 11 AM

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

McKinney is under an Extreme Heat Warning as temperatures soar. Current conditions show 95F, with a high near 106F expected today. Stay hydrated and limit outdoor activity.

Cody Esparza

August 18, 20261 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 18, 11 AM local time.*

Severe Heat Warning in Effect

McKinney is currently under an Extreme Heat Warning issued by the National Weather Service. This severe alert remains active until this evening. Additionally, a Heat Advisory is in place, highlighting the moderate to severe risks associated with the current atmospheric conditions. Residents should remain vigilant as the weather service expects these hazardous conditions to persist through the day.

Current Conditions and Today's Outlook

It is currently Tuesday morning in McKinney. The air temperature stands at 95 degrees Fahrenheit, with a feels-like temperature of 97 degrees. Relative humidity is at 37 percent, and the dew point is 64 degrees.

Winds are blowing from the southwest at 9 miles per hour, with gusts reaching 13 miles per hour. The sky is clear. Today’s high is expected to reach near 106 degrees, with a low near 82 degrees.

The chance of precipitation is minimal at 1 percent. Heat index values may reach as high as 107 degrees. Southwest winds will range from 5 to 10 miles per hour.

Tonight and Tomorrow

Tonight, conditions will remain mostly clear. Temperatures will drop to around 82 degrees but may rise to approximately 84 degrees overnight. Heat index values could reach 105 degrees.

South winds will blow around 10 miles per hour. Tomorrow will be sunny with a high near 105 degrees and a low near 82 degrees. The chance of rain remains at 1 percent.

Heat index values may again reach 107 degrees. South southwest winds will be 5 to 10 miles per hour. Given the extreme heat, it is crucial to stay hydrated, limit midday exertion, and check on vulnerable neighbors.

Avoid prolonged exposure to direct sunlight and seek air-conditioned environments when possible.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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Cody Esparza

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

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