Heavy rainfall occured overnight and into the early morning hours around much of southeast South Dakota, northeast Nebraska, and portions of northwest Iowa around Sioux City. The rainfall for the calendar day at Sioux Gateway Airport through noon CDT has totalled 3.07 inches. This sets a new record daily precipitation for Sioux City, previously 2.61 inches in 1949.
Below is an image of the radar estimated precipitation overnight and into early Thursday morning. Two and a half to three and a half inches was estimated by radar in the Sioux City metro area. For additional rainfall amounts across the area through mid morning, please refer to the following link, www.crh.noaa.gov/news/display_cmsstory.php