 And with the heat, Washoe County will be opening a cooling center this weekend as temperatures are expected to reach 100 degrees plus. The Washoe County Senior Center will be open today and tomorrow, noon to 7. The center is located at 1155 East 9th Street in Reno, near Sutro. Additionally, Washoe County recommends that people make use of public or open facilities such as libraries, shopping malls, and casinos.