Severe · Flood WarningActive alert
Flood Warning issued October 1 at 10:41AM CDT until October 2 at
Affecting Black Hawk, IA; Butler, IA; Grundy, IA; Tama, IA
In effect until: Oct 2, 2026, 3:45 PM
Black Hawk, IA; Butler, IA; Grundy, IA; Tama, IA
Likely impact across 4 counties in IA; effects through 3:45 PM.
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.
Read the original bulletin (official text)
* 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.
Free. In your language.
Get the next alert for your area before it matters.
Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™