As high pressure builds over the region this week temperatures will rapidly warm to well above normal. Afternoon highs will go from the lower 80s to start the week to the low 90s by the end of the week. With highs in the 80s and low 90s this will result in Minor HeatRisk across the lower deserts. So make sure to take extra precaution if spending time outdoors, especially if you're more sensitive to the heat.