The heat is returning to the triple digits this afternoon, prepare to wear your sunscreen, hydrate through out the day, and take some shades breaks if you’re working outdoors. The upper level ridge of high pressure aloft continues to expand over the Pacific Northwest, this will cause Valley floors to peak anywhere between 106-107 degrees tomorrow. Fortunately this will be the hottest day of the week, however, temperatures in the 7 day remain in the low triple digits. Excessive Heat Warnings and Advisories have been issued given the excessive heat.