Humidity Peaks in McKinney as Heat Index Climbs Toward 101 - Jul 7, 8 AM

*As of Jul 7, 8 AM local time.*

Current Conditions and Humidity

McKinney is experiencing notably humid air this morning. The current air temperature sits at 75F, but the heat index makes it feel like 77F. Relative humidity is high at 89%, with a dew point of 72F indicating significant moisture in the atmosphere. Winds are light, blowing at 5 mph with gusts reaching 10 mph, under a clear sky.

Today and Tonight Forecast

Temperatures will rise significantly today, with a high near 97F. The National Weather Service indicates heat index values as high as 101, making it feel much hotter than the actual air temperature. There is a chance of showers and thunderstorms, with a 30% probability of precipitation.

Any rainfall is expected to be minimal, with new amounts less than a tenth of an inch possible. Winds will remain from the south southwest around 5 mph.

Tonight, conditions will become mostly clear. A chance of showers and thunderstorms persists before 10pm, also with a 30% chance of precipitation and less than a tenth of an inch of rain possible. The low will be around 74F, though temperatures may rise to around 76F overnight. Heat index values could reach 99. Winds will shift to the southeast around 5 mph.

Tomorrow Outlook

Tomorrow will be sunny with a high near 98F. The heat index is expected to climb even higher, reaching values as high as 104. Winds will increase slightly to 5 to 10 mph from the south. There is a 13% chance of precipitation, but skies are expected to remain clear.

Safety Reminder

With heat index values approaching 104, it is crucial to stay hydrated and limit midday exertion. Check on elderly neighbors or those without air conditioning to ensure their safety during these warm conditions. No severe weather alerts are currently in effect, but the high humidity and heat require caution.

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Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com