we ve watched these flames race down this hillside. this brush is bone dry, perfect fuel for this fire. while fire crews are feeling optimistic about the county fire here in california, this is a young fire season and it could prove to be one of the worst yet. tom? will carr right on that fire line there in northern california. will, thank you. the heat wave here in the east has lasted for days. on the mall in washington, d.c., where it was 93 degrees, sprinklers were providing relief to visitors. abc s chief meteorologist ginger zee joining us now from along the george washington bridge. ginger, how far does this heat stretch? reporter: tom, it was so hot in nashville, they hit 99, that s the hottest they ve been in six years. but they are so not alone. we ve got heat advisories from oxford, mississippi, to holton, maine. excessive heat warning right there in the ohio river valley, and the numbers are going to stick with us tomorrow. 105, the feels like on thursday in st. louis.