7/29/2025 2:29:00 PM until 7/29/2025 11:00:00 PM

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

This watch is based off of saturated soils as much as the threat for heavy rainfall. Recent rains have left much of the area with saturated soils that cannot handle a lot of rain. Rapid runoff is likely with any heavy rain that can develop. Current expectations are that some storms will be capable of producing 2-4 inches of rain per hour which would lead to urban and small stream flooding issues. This heavier rain is expected to occur in smaller bands so confidence in exact location is still lower at this time. * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Iowa, including the following areas, Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien, Osceola, Plymouth, Sioux and Woodbury, northeast Nebraska, including the following area, Dakota, and southeast South Dakota, including the following area, Union. * WHEN...From 10 PM CDT this evening through Wednesday morning. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov