Humid Heat Returns to McKinney With Slight Storm Chance - Jul 6, 4 AM

*As of Jul 6, 4 AM local time.*

Current Conditions and Humidity

Residents in McKinney are experiencing notably humid conditions this Monday overnight. The air temperature sits at 75F, with a feels-like temperature of 76F. Relative humidity is high at 83%, supported by a dew point of 70F. Winds are calm, recorded at 0 mph with gusts reaching up to 5 mph, under a clear sky.

Today and Tonight Forecast

Temperatures will rise significantly today, with a high near 95F. The National Weather Service indicates sunny skies initially, with a slight chance of showers and thunderstorms developing after 1pm. Highs will fall to around 93F in the afternoon.

Heat index values are expected to reach as high as 102. The chance of precipitation is listed at 20%, with southeast winds ranging from 0 to 5 mph.

Tonight, conditions will shift to partly cloudy skies. A low around 73F is expected, with temperatures rising to around 74F overnight. There is a slight chance of showers and thunderstorms before 10pm. Heat index values may reach 99. Winds will remain light, with southeast breezes between 0 and 5 mph. The chance of precipitation remains at 20%.

Tomorrow Outlook

Tomorrow brings continued warmth with a high near 94F. Skies will be sunny, but a chance of showers and thunderstorms is possible after 1pm. Afternoon temperatures may drop to around 92F.

Heat index values could reach 99. Winds will be from the south southeast at 0 to 5 mph. The chance of precipitation increases to 30%, with new rainfall amounts less than a tenth of an inch possible.

Tomorrow night, skies will become mostly clear with a low around 76F. A chance of showers and thunderstorms exists before 7pm. Southeast winds will pick up slightly to around 5 mph. The chance of precipitation is 30%.

Safety Reminder

With heat index values reaching into the low 100s, it is crucial to stay hydrated and limit midday exertion. Keep an eye on the sky for developing storms, especially in the afternoon hours. Ensure you have a plan for severe weather, even though no active alerts are currently in effect.

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Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data