 Now, the latest forecast from the KFNX Penguin Air Plumbing and Electrical Weather Center. I'm meteorologist Jim Rinaldi, and excessive heat warning continues through Friday. As we head into the evening, skies will be clear, mainly clear through the night, low 90. Sunny and hot Thursday, high 116. A sunny, hot day Friday, high 114. Saturday is sunny, partly cloudy and hot. Can't rule out a shower or thunderstorm. High temperature 110. Currently in downtown Phoenix, it's 112 degrees.