Iowa Severe Flood Watch | Effective 09/06/2026 09:05
* 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