homes. imagine the people are staying there when they ve got this 120-year-old dam failure. this is sandbar levee along the wisconsin river, megyn, look at these pictures. megyn: wow. reporter: some areas have got even over ten inches of rain, the wisconsin river was at 20 point 20 feet at portage, that s down from the record at 20.42 feet yesterday. rivers should fall below flood stage on wednesday night. again we are talking about incredible amounts of rain. this is from the national weather service showing you the amount of rain. you can see the red on your screen, that s anywhere from 8 to 10 inches of heavy rain. this is actually tropical moisture. this was the remnants of hurricane karl from last week. this is a tropical section. megyn: look at that. reporter: the pictures tell the story. i can show you millions of maps. megyn: it s to the top of those vehicles. reporter: some of the rainfall totals, the estimates there, when you are talking about a failing levee this could