Sunday promises to be very hot and uncomfortable with temperatures in the middle 90s and the heat index around 100°.
With temperatures so extreme, remember some heat wave safety tips. Make sure to take frequent breaks if you are doing outside activities this weekend, and drink plenty of water as well. Also wear lightweight, light-colored clothing if you're going to be spending time outdoors.
The heat stays with the Heartland through the week with highs in the upper 80s and low 90s.