 Now, the latest forecast from the KFNX Penguin Air Plumbing and Electrical Weather Center. I'm meteorologist Jim Renaud. We have an excessive heat warning in effect. Sunny and hot this afternoon, a high of 114. Mainly clear tonight, low 90. Sunny and hot Thursday, high 116. A sunny hot day Friday, high 114. From the KFNX Weather Center, I'm meteorologist Jim Renaud. Currently in downtown Phoenix, it's 108 degrees.