McKinney Heat Advisory in Effect as Temperatures Climb Near 100 Degrees - Jul 25, 4 PM

*As of Jul 25, 4 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory with moderate severity is currently in effect for McKinney, Texas. The National Weather Service has issued these alerts due to dangerous heat conditions that are expected to persist. It is currently Saturday this afternoon, and the air temperature stands at 97F.

However, the combination of heat and humidity makes it feel significantly hotter, with a feels-like temperature of 102F. The relative humidity is at 39%, with a dew point of 68F. Winds are blowing from the south southwest at 6 mph, with gusts reaching up to 10 mph.

The sky remains clear as the region experiences intense solar heating.

Forecast for Today and Tomorrow

Today, the high is expected to reach near 99F, with a low near 80F tonight. The chance of precipitation is just 1%, and skies will remain sunny. The National Weather Service notes that heat index values could climb as high as 110 during the day.

Winds will shift to the south southwest around 10 mph. Tonight, conditions will become mostly clear with a low around 80F. The heat index will remain elevated, with values as high as 108.

South winds will continue around 10 mph.

Tomorrow, the high will rise to near 100F, with a low near 80F. The sky will be sunny with only a 1% chance of precipitation. Heat index values are forecast to reach as high as 109.

Winds will be from the south southwest at 5 to 10 mph. The Heat Advisory remains in effect through the evening, emphasizing the need for caution as temperatures stay dangerously high.

Safety Reminders

Given the active Heat Advisory and the extreme heat index values, residents are urged to take precautions. Stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Check on elderly neighbors and those who may be vulnerable to heat-related illnesses. Keep vehicles parked in the shade when possible, and never leave people or pets inside closed cars. If you must be outside, seek air-conditioned spaces during the hottest parts of the day to avoid heat exhaustion or heat stroke.

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Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data