now. >> reporter: an all-out war under way to put out more than a dozen fires, from california to oregon and washington. >> it only takes one spark. >> reporter: lightning sparked the fires chewing up thousands of acres in northern california. at least eight homes there destroyed. the entire town of bernie now threatened. >> so, soot that comes down won't get into the cracks. >> reporter: firefighters using a wrap that looks like tin foil to protect five historic cabins from heat and embers. >> just taking a look at what happened. just very fortunate. >> reporter: the rain could help in drought-stricken california as long as lightning doesn't spark any more wildfires. kirk hawkins, abc news, los angeles. reena, devin, back to you. >> kirk, thank you. a look at our wednesday forecast. new rain on the way from northern california across to the rockies could trigger more flash floods. heavy rain in the center of the country. scattered rain and thunderstorms from north carolina to maine. showers all the way to the gulf coast. >> temperatures today, high 70s