drivers to get off the road. >> fantastic. i'm already stressed out over this. >> reporter: in other parts of california, communities are soaked from several days of steady rain. >> oh, i've never seen it like this in years. >> reporter: here in the hills above los angeles, all of this rain is posing a threat of mudslides. you see these catch basins here? when they fill up with mud, debris, and floodwaters, eventually they'll spill over, threatening the homes in this area. >> here we go again. >> reporter: donna mclaughlin lost her home last year when the mud overtook the very railings that should have protected her home. >> the k-rails kicked out, formed a dam, tidal waves over my house. >> reporter: despite an estimated 3 to 5 inches of rain, so far the basins seem to be holding. the real worry, more rain is in the forecast. neighbors will have to watch and wait through what may be the wettest holidays in recent memory. diana alvear, abc news, los angeles. >> what a mess out there. of course there's always