McKinney Faces Extreme Heat Warning and High Temperatures - Aug 25, 2 PM

*As of Aug 25, 2 PM local time.*

Dangerous Heat Conditions

McKinney is currently experiencing dangerous heat levels, with the air temperature sitting at 99F and a feels-like temperature of 102F. The sky is clear, and the relative humidity is 33%, with a dew point of 64F. Winds are blowing from the south southwest at 11 mph, with gusts reaching 17 mph.

Two active National Weather Service alerts are in place for the area. An Extreme Heat Warning, classified as severe, is expected to remain in effect until 9:00 PM CDT on August 25. Additionally, a Heat Advisory, classified as moderate, is expected to last until 9:00 PM CDT on August 26.

Both alerts were issued by the NWS Fort Worth office.

Today and Tonight Outlook

Today will be sunny with a high near 105F. The heat index values may reach as high as 105F. Winds will shift to around 15 mph, with gusts potentially reaching 25 mph.

The chance of precipitation is low at 7%. Tonight, conditions will remain mostly clear. Temperatures will drop to a low near 83F, though they may rise to around 85F overnight.

The heat index could reach 104F, and winds will slow to 10-15 mph from the south.

Tomorrow's Forecast

Tomorrow will be mostly sunny with a high near 102F. Temperatures may fall to around 99F in the afternoon. There is a slight chance of showers and thunderstorms after 1 PM, with a 20% chance of precipitation.

The heat index values may reach as high as 106F. Winds will be from the west northwest around 10 mph. Tonight, there is a slight chance of showers and thunderstorms.

It will be partly cloudy with a low around 78F. The heat index may reach 103F, and winds will be light from the north northwest around 5 mph. Given the extreme heat, it is crucial to stay hydrated, limit midday exertion, and check on vulnerable neighbors.

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Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data