Denton County residents could see their first 100-degree day of the summer on Tuesday.

According to the National Weather Service, the average first day to see the temperature in the Dallas-Fort Worth region is July 1. Monday’s high temperature at Denton Enterprise Airport was 94.

Juan Hernandez, a weather service meteorologist, said Tuesday is the most likely day to hit 100 degrees in the coming week.

“[Tuesday] is going to be the hottest day, and it’s actually going to feel the hottest,” Hernandez said Monday afternoon.

He said the heat index — which indicates how hot it feels — of 105 to 107 degrees could be seen across the county, but the actual temperature might hover just below the triple-digit summer milestone.

Because of that, a heat advisory has been issued by the weather service, from noon Tuesday through 7 p.m. Wednesday.

As Tropical Depression Barry fades away, Hernandez said the southerly winds will return from the Gulf Coast and push the muggy coastal air toward North Texas. Humidity will rise and bring the higher heat indexes along with it.

While heat indexes upward of 100 aren’t new this year, Hernandez said the dangers of dehydration and heat exhaustion are still possible in the coming days. He recommended that people drink plenty of water and stick to the shade whenever possible.

For those praying for a relatively cool summer, Hernandez offered a glimmer of hope. In 1906 and 1973, the region never saw the temperature reach triple-digits.

At Denton Municipal Electric, Brent Heath, executive manager for energy delivery, and Terry Naulty, assistant general manager, said a relatively mild summer has kept energy prices fairly low compared to previous years.

MARSHALL REID can be reached at 940-566-6862 and via Twitter at @MarshallKReid.

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