Today is supposed to be a repeat of the last few days. With official temperatures in the mid nineties, and humidity running around 60%, the heat index will be in the triple digits. That's when sweat doesn't dry, and body temperatures rise to the danger point. It's brutal on the ill-prepared, and can kill.
I don't miss working on days like these. In the past, when pouring concrete, there was no relief from the sun, and heat. Regardless of how I felt, the concrete had to be finished in the proper sequence, and neglecting the task would lead to a ruined pour. That was expensive, and unforgivable.
So, I'll take my time with any outdoor tasks, relish the ability to just say no, and enjoy the day.