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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 Soar Near 102 Degrees - Jul 26, 8 AM

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

A Heat Advisory is active for McKinney, TX, with highs near 101F today and 102F tomorrow. Current feels-like temperature is 87F with high humidity.

Cody Esparza

July 26, 20262 min read

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

*As of Jul 26, 8 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for McKinney, Texas, signaling dangerous heat levels that require caution. As of this Sunday morning, the air temperature stands at 82F, but the combination of heat and moisture makes it feel like 87F. The relative humidity is at 70%, with a dew point of 72F, indicating quite humid conditions.

Winds are blowing from the south southwest at 7 mph, with gusts reaching up to 22 mph, while the sky remains clear.

The National Weather Service has issued this advisory with moderate severity and expected urgency. This alert is designed to warn residents of the significant health risks associated with prolonged exposure to high temperatures and heat indices that can reach dangerous levels. The advisory period covers the upcoming days, emphasizing the need for vigilance as the heat persists.

Forecast for Today and Tomorrow

Today, McKinney will experience sunny skies with a high near 101F. The heat index values are expected to climb as high as 109F. South southwest winds will range from 5 to 10 mph.

There is a 0% chance of precipitation, ensuring dry conditions throughout the day. Temperatures will drop to a low near 80F tonight, though they may rise to around 82F overnight. The sky will be mostly clear, with heat index values reaching up to 107F.

Winds will shift to the south, maintaining speeds of 5 to 10 mph.

Tomorrow, the heat will intensify further with sunny skies and a high near 102F. The heat index is projected to reach as high as 110F. South southwest winds will continue at 5 to 10 mph.

No rain is expected, keeping the chance of precipitation at 0%. As tomorrow night approaches, skies will clear with a low around 81F, potentially rising to 83F overnight. Heat index values will remain elevated at up to 108F, with south winds around 10 mph.

Safety Reminders

Given the active Heat Advisory and extreme heat index values, it is crucial to stay hydrated and limit midday exertion. Seek air-conditioned environments during the hottest parts of the day and check on neighbors, especially the elderly and those with health conditions. Avoid prolonged exposure to direct sunlight and wear lightweight, light-colored clothing if you must be outdoors.

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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