INDIANAPOLIS - Saturday was the first official day of summer, and for safety experts that means reminding people that even average summer temperatures can mean deadly heat inside a car.
When it's 80 degrees outside, the inside of a car can heat up to as much as 123 degrees. That's why experts have launched the Beat the Heat, Check the Back Seat campaign to remind people not to leave children, pets or disabled adults in parked vehicles.
Outside of cars, summer weather in Indiana means heat and humidity, which can impact the body's ability to cool itself, doctors say. That can lead to heat-related illnesses ranging from cramps to heat exhaustion, or even heat stroke.
Experts suggest exercising early in the morning or after sunset – and no matter what time of day it is to make sure to drink lots of fluids.
We spoke to people on Saturday who were out running as the temperature hit 86 degrees.
"Today I'm not warming up for too long," said Rob Mullett. "Normally I do. You definitely [have to] pace yourself a little bit."
Another runner told us she always carries water on her, no matter what time of day.
Experts also warned parents to lock car doors and trunks to keep children from playing in the car or possibly falling asleep inside and getting into health trouble.
Last year, 43 children in the U.S. died from heat stroke after being left in cars.
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