⚠️ Flood Watch – Greene; Boone; Story; Marshall; Tama; Mahaska; Monroe; Wapello; Appanoose; Davis – Wednesday, September 16, 2026

Flood Watch issued September 16 at 12:25PM CDT until September 17 at 10:00AM CDT by NWS Des Moines IA

Details

* WHAT…Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE…Portions of central and southern Iowa.

* WHEN…Through Thursday morning.

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

* ADDITIONAL DETAILS…
– While showers are ongoing across parts of southern to central
Iowa, a band of heavier rain is expected overnight. Already
saturated conditions have lowered the needed rainfall for flash
flooding impacts.

Instructions

For the latest stream observations and forecasts refer to
weather.gov/desmoines/water.

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