Record-challenging heat will surge across the Southwest this week as a stubborn heat dome sends temperatures into the 90s and even past 100 degrees in some cities, levels more typical of late spring or early summer.
Much of the Southwest will jump from springlike conditions to summerlike heat this week, with temperatures climbing well into the 90s in many areas and even topping 100 degrees in some locations which are more typical of early summer. The heat dome will have staying power and may not begin to weaken until this weekend to early next week…