It was a bitter cold morning Tuesday morning in Flagstaff. The National Weather Service says the temperature hit one degree at 7:30 a.m. It is the coldest temperature so far this season and the coldest since December 29th, 2019 when the mercury hit seven degrees below zero. We will see temperatures on the rise Wednesday and through the weekend. The lows overnight Tuesday night are expected to be in the mid-teens and in the 20s for the rest of the week in Flagstaff.