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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 Advisory: Dangerous Heat Index Reaches 104F Today - Jul 10, 4 PM

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

McKinney residents face dangerous heat today with temperatures near 100F and heat index values up to 104F. Stay hydrated and limit outdoor exertion.

Cody Esparza· AI-assisted, edited by Jake Team

July 10, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Jul 10, 4 PM local time.*

Dangerous Heat Conditions in McKinney

McKinney is currently under the influence of dangerous heat, with the air temperature at 97F and a feels-like temperature of 101F. The relative humidity stands at 37%, with a dew point of 66F. Winds are blowing from the south at 17 mph, with gusts reaching 21 mph, under a clear sky.

Today, the high will reach near 100F, with a low near 80F. The chance of precipitation is 0%, and conditions will remain sunny. Heat index values are expected to climb as high as 104F. South winds will average around 15 mph.

Tonight, skies will clear, with a low around 80F. Temperatures may rise to around 82F overnight. Heat index values could reach as high as 103F. South winds will persist at 10 to 15 mph, with gusts as high as 25 mph.

Tomorrow, the high will be near 98F, with a low near 80F. The chance of precipitation is 1%, and conditions will be sunny. Heat index values are forecast to reach as high as 103F. South winds will decrease to 5 to 10 mph.

Tomorrow night, skies will be mostly clear, with a low around 80F. Temperatures may rise to around 82F overnight. Heat index values could reach as high as 101F. South winds will remain at 5 to 10 mph.

Safety Reminders

Given the dangerous heat conditions, it is crucial to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly and those with health conditions. Avoid prolonged exposure to the sun and seek air-conditioned environments when possible. Be aware of the signs of heat-related illnesses, such as dizziness, nausea, and confusion. If you experience any of these symptoms, seek medical attention immediately.

There are no active National Weather Service or NOAA weather alerts at this time. However, the heat index values indicate a significant risk of heat-related illnesses. Please take necessary precautions to stay safe and cool.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Cody Esparza· AI-assisted, edited by Jake Team

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

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