McKinney Heat Index Hits 104F With Chance of Storms - Aug 8, 1 PM

*As of Aug 8, 1 PM local time.*

Dangerous Heat Arrives in McKinney

McKinney is currently under the influence of intense summer heat, with air temperatures reaching 97F while the heat index pushes a feels-like value of 104F. The atmosphere is holding significant moisture, evidenced by a dew point of 70F and relative humidity at 42%. Current winds are light, blowing from the south southwest at 7 mph with gusts up to 5 mph, under clear skies.

Today and Tonight Forecast

Today will see a high near 99F. There is a chance of showers and thunderstorms before 10am, followed by a slight chance of showers and thunderstorms later in the day. The overall chance of precipitation sits at 27%.

As evening approaches into tonight, conditions will shift to partly cloudy skies with a slight chance of showers and thunderstorms before 7pm. Temperatures will drop to a low near 77F, though they may rise slightly to around 79F overnight. Winds will remain light from the south southeast at 5 to 10 mph.

Heat index values could still reach as high as 102F during the evening hours.

Tomorrow Outlook

Tomorrow brings clear skies and a high near 100F. The chance of precipitation drops to 0%, leaving sunny conditions for the day. Winds will come from the south at 5 to 10 mph. Heat index values are expected to climb as high as 103F. Overnight, skies will clear further with a low around 78F and winds shifting slightly to around 10 mph from the south.

Safety Reminders

With heat index values exceeding 100F, residents should prioritize hydration and limit strenuous outdoor activities during the hottest parts of the day. Check on elderly neighbors or those without air conditioning to ensure their safety. While storms are possible today, the primary concern remains extreme heat exposure.

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Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com