 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 afternoon, sunny and hot, the high temperature 114. Love a mainly clear night tonight, low 88. Sunshine and hot Tuesday, high 114. Mainly clear Tuesday night, low 88. Hot Wednesday. From the KFNX Weather Center, I'm meteorologist Jim Rinaldi. Currently in downtown Phoenix, it's 109 degrees.