McKinney Heat Advisory in Effect as Temperatures Climb Near 102 Degrees - Jul 27, 4 AM

*As of Jul 27, 4 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. The National Weather Service has issued this moderate-severity alert due to the combination of extreme temperatures and high humidity. As of this Monday overnight, the air temperature stands at 79F, with a feels-like temperature of 80F.

The relative humidity is at 74%, and the dew point is recorded at 70F, indicating a muggy atmosphere. Winds are light at 5 mph with gusts reaching 13 mph, while the sky remains clear.

Forecast for Today and Tomorrow

Temperatures are expected to soar significantly throughout the day. Today will be sunny with a high near 102F. The National Weather Service notes that heat index values could reach as high as 109F due to the humidity.

Winds will shift to the south southwest at 5 to 10 mph. Overnight tonight, conditions will remain mostly clear with a low around 80F. Temperatures may rise to around 82F during the night, with heat index values peaking at 106F.

South winds will continue at 5 to 10 mph.

Tomorrow will mirror today’s intensity. Expect another sunny day with a high near 102F. Heat index values are forecast to reach 106F.

Winds will remain from the south southwest at 5 to 10 mph. Overnight into the early hours of the next day, skies will be mostly clear with a low around 81F. Temperatures may climb to around 83F overnight, with south winds persisting at 5 to 10 mph.

Safety Reminders

Given the active Heat Advisory and the high heat index values, it is crucial 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 or those without air conditioning to ensure their safety. If you must be outside, seek shade and wear lightweight, light-colored clothing to help manage the heat.

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Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com