 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. For this morning, clear skies, sunny and hot today, the high 116. A clear night tonight, low 88. Plenty of sunshine and hot Saturday, high 114. Sunny and hot Sunday, high 112. From the KFNX Weather Center, I'm meteorologist Jim Rinaldi. Currently in downtown Phoenix, it's 103 degrees.