DENISON, Texas (KTEN) — Less than a week after the start of summer, Texomans are experiencing the first heat advisory of the season on Monday and Tuesday following the region's first reported triple-digit temperature Sunday in Ada.

A splash pad in Denison provided some needed relief.

"We're just trying to stay cool," said Durant resident Shandi Collins. "It's getting really hot, and there's water out here. We brought out snacks, and we're just having a good time."

"I like coming to the splash pad," added one youngster. "It's a good place to cool off, and it's not too hot. When it's very hot, we like to come here almost every day."

On Monday, Sherman observed the warmest morning low temperature for June 24 since 1912. 

With Texoma heat already breaking records, the Grayson County Office of Emergency Management reminds drivers to never leave young children or pets in unattended vehicles.

Drinking plenty of fluids, staying in air conditioned spaces, taking breaks from the sun if you are outside, and checking up on relatives and neighbors are all important ways to stay safe in the summer heat.