NWS Des Moines IAFL.W 0029September 30, 2026
Flood Warning: Black Hawk, IA
The National Weather Service office in Des Moines issued a flood warning for Black Hawk in Iowa, which was in force until 4:00 p.m. local time on October 3. It was the 29th river flood warning the NWS office in Des Moines issued in 2026. Iowa had 29 flood warnings in September 2026, against 18 in an average September of 2008-2025 (Iowa's flood warnings by year).
ExpiredWarning
In force for 47.4 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Des Moines IA
- Area
- Black Hawk
- State
- Iowa
- Level
- Warning
- Issued
- 8:52 p.m. CDT, September 30, 2026
- In force from
- 4:36 p.m. CDT, October 1, 2026
- Expires
- 4:00 p.m. CDT, October 3, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KDMX FL.W 0029
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
...The National Weather Service in Des Moines has issued a Flood Warning for the following rivers in Iowa... Black Hawk Creek at Hudson affecting Black Hawk County. * WHAT...Moderate flooding is forecast. * WHERE...Black Hawk Creek at Hudson, or from the Black Hawk-Grundy County line to the Cedar River in Waterloo. * WHEN...From Thursday afternoon to Saturday afternoon. * IMPACTS...At 16.0 feet, Water closes Ranchero Rd in Waterloo. Some residential evacuations may occur. * ADDITIONAL DETAILS... - At 7:45 PM CDT Wednesday the stage was 10.1 feet, and rising. - Forecast...The river is expected to rise above flood stage tomorrow afternoon to a crest of 16.5 feet Friday morning. It will then fall below flood stage late Saturday morning. - Flood stage is 15.0 feet.
What the agency told people to do
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. River forecasts include observed precipitation plus forecast precipitation over the next 48 hours.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.