After two days of near record-breaking heat, Tucson sizzled on Sunday reaching 110 degrees; surpassing the previous record set for June 5.
The old record of 108 degrees set in 1990 was broken around 1:30 p.m. when the Tucson International Airport recorded a high of 109 degrees, according to the National Weather Service of Southern Arizona.
Douglas also reported a heat record of 104 degrees, barely exceeding its high of 103 degrees set in 2014.
An excessive heat warning was issued for most of Arizona during the weekend, with Tucson reaching 107 degrees on Friday and 111 degrees on Saturday.
Phoenix broke heat records three days in a row, topping out at 113 degrees on Friday, 115 degrees on Saturday and 113 on Sunday.
Saturday was also the earliest first 115 degree day ever recorded in Phoenix, breaking the record set on June 7, 1985, according to the National Weather Service Phoenix.
The heat warning continues into Monday, with a high of 111 degrees expected for Tucson along with gusty winds in the afternoon. The record high for June 6 is 107 set in 1990.
Tucson will cool off slightly, returning to normal temps by the middle of the week.