 Now, the latest forecast from the KFNX Penguin Air Plumbing and Electrical Weather Center. I'm meteorologist Jim Rinaldi. We have an excessive heat warning in effect through 8 p.m. This afternoon is going to be sunny and hot, high 112. Can't let a thunderstorm this evening, otherwise partly cloudy tonight, low 90. Hot Sunday with sunny skies, high temperature 110. From the KFNX Weather Center, I'm meteorologist Jim Rinaldi. Currently in downtown Phoenix, it's 109 degrees.