Humidity Peaks in McKinney as Temps Climb Toward 96 - Jul 3, 8 AM

As of Jul 3, 8 AM local time.

Current Conditions and Humidity

McKinney is experiencing notably humid air this Friday morning. The current air temperature stands at 79F, but the heat index feels like 82F due to the moisture in the atmosphere. The relative humidity is at 84%, with a dew point of 73F, creating a muggy start to the day.

Winds are blowing from the south at 7 mph, with gusts reaching up to 15 mph. The sky remains clear overhead at this time.

Today and Tonight Forecast

Temperatures are expected to climb significantly throughout the day. The high near 94F will be accompanied by heat index values as high as 99. The sky will be mostly sunny initially, but there is a slight chance of showers and thunderstorms after 4pm. The chance of precipitation is 16% overall for the day. Winds will remain from the south at 5 to 10 mph.

As evening approaches, the sky will become mostly clear. The low will drop to around 78F. Heat index values may still reach as high as 98 during the early evening hours. There is a slight chance of showers and thunderstorms before 7pm, with the chance of precipitation at 20%. Winds will continue from the south southeast at 5 to 10 mph.

Tomorrow Outlook

Conditions will remain hot and humid into tomorrow. The high will reach near 96F, with heat index values climbing as high as 102. The sky will be mostly sunny, followed by a slight chance of showers and thunderstorms after 4pm. The chance of precipitation is 17% for the day. Winds will be from the south at 5 to 10 mph.

Overnight, the low will fall to around 77F, with temperatures rising to around 79F later in the night. Heat index values may reach as high as 100. There is a slight chance of showers and thunderstorms before 7pm, with the chance of precipitation at 20%. The sky will be partly cloudy, and winds will shift to the south southeast at 5 to 10 mph.

Safety Reminder

With heat index values approaching 100, it is crucial to stay hydrated and limit midday exertion. Check on neighbors who may be vulnerable to the heat. While there are no active weather alerts, the slight chance of storms warrants keeping an eye on the sky in the late afternoon.

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Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data