The Big Sioux River in Sioux Falls is sitting below average in terms of streamflow for this time of year, according to the United States Geological Survey (USGS).

The city of Sioux Falls is partnering with South Dakota State University for its 13th annual conference on caring for the Big Sioux River.

The train bridge in North Sioux City over the Big Sioux River has collapsed with the flooding. The partial collapse was reported shortly before 11 p.m. on June 23. Authorities have been monitoring ...

Rivers rose and flooding worsened across the U.S. South and Midwest, threatening communities already waterlogged and badly ...

you have river flooding, which was a lot of the issues we saw last year along the Little Sioux, the Ocheyedan, the Big Sioux and other rivers,” he says, “and that was just a tremendous amount ...

A storm system sweeping over large areas of the U.S. South and Midwest resulted in at least 16 weather-related deaths by ...

A lack of winter precipitation and an expected continuation of dry weather into the summer could exacerbate already serious ...

Tuesday, the residents of North Sioux City could have an almost entirely different looking municipal government body ...

Ten states could see flooding continue throughout the rest of this week and perhaps longer even though rain has moved on.