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Follow a map of rising rivers in the region

todayJune 24, 2024 3

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SIOUX FALLS, S.D. (KELO) — While other flooded rivers have reached their crests, the James River and the Vermillion River in South Dakota are still rising, a National Weather Service official said Monday afternoon.

The James River at Yankton is expected to crest to a flow of 34,000 cubic feet per second (CFS) at Yankton on Wednesday, Kevin Low of the National Weather Service said in a Monday afternoon news conference with the U.S. Army Corps of Engineers. The Vermillion River should crest at 30,000 CFS overnight Monday, Low said.

The Big Sioux River near North Sioux City is keeping a section of Interstate 29 closed has started to crest, Low said. But the full crest should happen this evening at about 95,000 CFS, Low said.

State officials said Monday afternoon the section of I-29 was expected to open again Tuesday.

Rock Valley experiences unprecedented flood

The James River is a slow river and it will be in flood stage for several days, Low said. The river is expected to be in major flood state until June 29. “After the crest recedes it will be in flood stage until July 3, Low said. “It will take a long time.”

On Sunday, Tim Cowman of the South Dakota Department of Agriculture and Natural Resources said in a news conference that, any flow from the James and Vermillion into the Missouri River would not have a large impact on the flood stage of the Missouri as the levels of the Big Sioux would be reduced over the next few days.

Army Corps officials said on Monday, the lower Missouri River will still reach some flood stages as it travels toward and enters Omaha, Nebraska, but it is not expected to rise above the federal levees.

Rivers like the Big Sioux, Rock River and others have set some flood stage records in different areas over the past several days.

For example, the NWS record for the Rock River at Rock Valley, Iowa, is 22.72 feet from June 6-17, 2014. A crest of 27.64 was hit on Saturday.

UPDATE: I-29 ‘anticipated’ to stay closed until Tuesday

The roughly 144-mile river is contributing to the flood stage in the Big Sioux River near North Sioux City on Monday.

The peak flood waters in the Big Sioux River near North Sioux City, Iowa, started in southeastern South Dakota and southwestern Minnesota.

From Thursday through about noon on Friday, Luverne, Minnesota, got a reported 4.93 inches of rain. Some of that rain flows into the Rock River. The Rock River crested at about 13.62 feet on Saturday afternoon, according to the National Weather Service.

The river travels about 144 miles from Pipestone, Minnesota, through Luverne, and into Iowa. As heavy and steady rain fell on Friday and into Saturday, the river’s depth grew.

The Big Sioux River took in water from parts of southeastern South Dakota as it traveled toward Sioux Falls. Water levels reached about 15 feet in the city at Western Avenue on Saturday and 20 feet at Cliff Avenue on Sunday.

The Rock River feeds into the Big Sioux River at Hawarden, Iowa, which created a mess in Hawarden. The city issued a boil advisory for water use and several residents were evacuated.

Written by: The Dam Rock Station

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