High pressure over the region in combination with slight day to day variations in moisture/cloud cover will allow temperatures to fluctuate near to above normal through the middle of the week, leading to widespread Moderate HeatRisk. Practice smart heat safety by drinking plenty of water and electrolytes and reducing your time outside during the afternoons. Cooler temperatures are then expected to arrive late week as a disturbance impinges on the Desert Southwest, bringing chances for widespread rainfall and more persistent cloud cover.