⚠️ Flood Warning – Black Hawk, IA; Butler, IA; Grundy, IA; Tama, IA – Thursday, October 1, 2026

Flood Warning issued October 1 at 10:41AM CDT until October 2 at 10:45AM CDT by NWS Des Moines IA

Details

* WHAT…Flooding caused by excessive rainfall is occurring.

* WHERE…Grundy County in central Iowa…
Northern Tama County in central Iowa…
Southeastern Butler County in north central Iowa…
Black Hawk County in northeastern Iowa…

* WHEN…Until 1045 AM CDT Friday.

* IMPACTS…Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is imminent or occurring. Several
structures are flooded and numerous roads remain closed due to
flooding.

* ADDITIONAL DETAILS…
– At 1040 AM CDT, emergency management reported flooding in the
warned area. Flooding is already occurring. Between 2 and 4
inches of rain have fallen.
– Flooding impacts will continue, but no additional rainfall is
expected.
– Some locations that will experience flooding include…
Waterloo, Cedar Falls, Grundy Center, Evansdale, Hudson,
Reinbeck, Dike, Elk Run Heights, Uni-Dome And McLeod Center,
Waterloo Municipal Airport, Crossroads Mall, Washburn, Dunkerton,
Raymond, Wellsburg, New Hartford, Holland, Stout and Morrison.
– This includes Interstate 380 between mile markers 65 and 73.

Instructions

Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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.