The high temperature in Williams, today, is expected to reach 88 increasing to the mid-90s by the weekend with only a slight chance of thunderstorms Friday. The temperature on Saturday is expected to reach 98 dropping two-degrees on Sunday with not enough wind to produce usable electricity.

The outlook for Flagstaff is similar except for a chance of thunder showers Saturday and Sunday.

If you are taking a Marvelous Marv’s Private Grand Canyon tour, you will probably want to take a couple of bottles of water as the temperatures will reach a high of mid-90s on Saturday with a slight chance of thundershowers on Sunday.