⚠️ Flood Watch – Monona; Harrison; Shelby – Sunday, September 6, 2026

Flood Watch issued September 6 at 11:05AM CDT until September 7 at 4:00AM CDT by NWS Omaha/Valley NE

Details

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

* WHERE…Portions of southwest and west central Iowa, including the
following counties, in southwest Iowa, Harrison and Shelby. In west
central Iowa, Monona.

* WHEN…Through late tonight.

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

* 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.
– http://www.weather.gov/safety/flood

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.