Iowa Severe Flood Watch | Effective 09/18/2026 19:22
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of north central and northeast Iowa.
* WHEN...Through Saturday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Training storms and heavy rainfall may lead to an increased
potential for flash flooding. Rainfall amounts of 1 to 3 inches
is expected, with locally higher amounts possible.