⚠️ Flood Watch – Lyon; Osceola; Dickinson; Sioux; O’Brien; Clay; Plymouth; Cherokee; Buena Vista; Woodbury; Ida; Murray; Cottonwood; Nobles; Jackson; Pipestone; Rock; Minnehaha; Lincoln; Union – Sunday, September 6, 2026

Flood Watch issued September 6 at 10:23AM CDT until September 6 at 10:00PM CDT by NWS Sioux Falls SD

Details

* WHAT…Flash flooding caused by excessive rainfall is possible.

* WHERE…Portions of Iowa, including the following areas, Buena
Vista, Cherokee, Clay, Dickinson, Ida, Lyon, O’Brien, Osceola,
Plymouth, Sioux and Woodbury, southwest Minnesota, including the
following areas, Cottonwood, Jackson, Murray, Nobles, Pipestone and
Rock, and southeast South Dakota, including the following areas,
Lincoln, Minnehaha and Union.

* WHEN…Until 10 PM CDT this evening.

* IMPACTS…Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks.

* ADDITIONAL DETAILS…
– Slow moving thunderstorms may lead to rapid rainfall
accumulations. Hourly rainfall rates of 2 to 4 inches are
possible. This rainfall may lead to flash flooding along with
rapid rises on streams and creeks.
– Stay up to date with the latest river observations and forecasts
at: water.noaa.gov

Instructions

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

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.