NEW : 100s people are killed in West Virginia because of a fresh batch of thunderstorms . NEW : 13 remain without power due to past storm-related damage . Many cities and towns in the Southeast and Midwest saw temperatures Sunday that topped 100 degrees 13 people died due to those earlier storms , which were fueled in part by extreme heat . High temperatures should remain in Monday and 13 in many locales Monday .
NEW : 100s people are killed in West Virginia because of a fresh batch of thunderstorms . NEW : 13 remain without power due to past storm-related damage . 13 people died due to those earlier storms , which were fueled in part by extreme heat . High temperatures should remain in Monday and 13 in many locales Monday .