A warming trend will bring above-normal high temperatures across Southeast Arizona, peaking mid-week. Tucson and Ajo will experience the highest temperatures, reaching up to 90F and 92F, respectively, by Tuesday/Wednesday. Mountain valleys like Nogales, Sierra Vista, Douglas, and Safford will remain slightly cooler, with highs mainly in the 78F to 85F range. Highs will moderate slightly across the region toward the end of the week.