A BNSF train sits in floodwaters from the Platte River, in Plattsmouth, Nebraska, on March 17, 2019. #

Flooded apartments are seen in this aerial photo taken above the Elkhorn River in Nebraska on March 16, 2019. #

People view the rising waters from the Platte and Missouri rivers that flooded areas of Plattsmouth, Nebraska, on March 17, 2019. #

Thick slabs of ice surround a structure in Fremont, Nebraska, on March 14, 2019, after the ice-covered Platte River flooded its banks. #

Jim Freeman tries to saw through thick ice slabs on his property in Fremont, Nebraska, on March 14, 2019, after the ice-covered Platte River flooded. #

A man tries to get cows to higher ground in Turkey Creek, near Milligan, Nebraska, on March 13, 2019. #

A photograph of the damage done to the Spencer Dam after an ice jam broke through near Spencer, Nebraska, on March 14, 2019 #

A Nebraska National Guard helicopter drops sandbags to protect water wells in Lincoln, Nebraska, on March 16, 2019. #

Offutt Air Force Base and the surrounding areas affected by floodwaters are seen in this aerial photo taken near Omaha, Nebraska, on March 16, 2019. #

Flooded Camp Ashland, an Army National Guard facility, is seen in this aerial photo taken in Ashland, Nebraska, on March 17, 2019. #

The high waters of the Missouri River almost cover figures in the Monument to Labor statue in Omaha, Nebraska, on March 16, 2019. #

A fence encrusted with ice and cornstalks stands in floodwaters of the Elkhorn River, in Norfolk, Nebraska, on March 15, 2019. #

Floodwaters cover roads and farms in low-lying areas near Bellevue, Nebraska, in March of 2019. #

Floodwaters swamp buildings in Bellevue, Nebraska, in March of 2019. #

An aerial view of the damaged Spencer Dam, near Bristow, Nebraska, on March 16, 2019 #

Flooded Camp Ashland is seen in this aerial photo taken in Ashland, Nebraska, on March 17, 2019. #

A railroad crossing is flooded with water from the Platte River, in Plattsmouth, Nebraska, on March 17, 2019. #

Cattle surrounded by water stand in Morse Bluff, Nebraska, on March 15, 2019, in this screengrab obtained from a social-media video. #

An aerial view of damaged buildings after a storm triggered historic flooding, in Valley, Nebraska, from a video taken on March 16, 2019 #

Part of the flooded Camp Ashland Army National Guard facility is seen in this aerial photo taken in Ashland, Nebraska, on March 17, 2019. #

Flooded housing in Camp Ashland, photographed above Ashland, Nebraska, on March 17, 2019 #

Destructive flooding after the Spencer Dam broke, photographed near Spencer, Nebraska, on March 14, 2019 #

Flooded RVs, washed away by the floodwaters of the Platte River, are seen in Merritt's RV Park in Plattsmouth, Nebraska, on March 17, 2019. #