The thermometer read 109 degrees at noon Tuesday and did not stop rising until it reached 113 degrees.
Some people didn't have a choice but to be outside. The Salvation Army was out because it wants to help.
"We just want people to be safe," said Salvation Army spokesman Scott Johnson said.
The Salvation Army activated 12 mobile hydration units across the Valley Tuesday.
They'll be back out again on Wednesday with volunteers providing water, bandanas, hats, sunscreen, and a place to cool off and get out of the sun.
"People might think they're used to it, but people can lose hydration quickly," Johnson said.
So far the Salvation Army has provided cooling and hydration for more than 14,000 people during these days of excessive heat. If you want to help the Salvation Army by volunteering, call 602-267-4100.
If you want to make a donation, visit the Salvation Army website or text HEAT to 51555.