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Flood Warning — Black Hawk County, IA
Flood Warning
Issued
6:42 AM CDT · Sat, Jul 4 2026
Expires
10:00 AM CDT · Sun, Jul 5 2026
Issuing Office
NWS KDMX

Affected Areas

Black Hawk County, IA

Official Bulletin

664
WGUS43 KDMX 040627
FLWDMX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Des Moines IA
127 AM CDT Sat Jul 4 2026

...The National Weather Service in Des Moines IA has issued a Flood
Warning for the following rivers in Iowa...

  Black Hawk Creek at Hudson affecting Black Hawk County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

River forecasts include observed precipitation plus forecast
precipitation over the next 24 hours.

&&

IAC013-050230-
/O.NEW.KDMX.FL.W.0006.260704T1142Z-260705T1500Z/
/HUDI4.1.ER.260704T1142Z.260704T1800Z.260705T0900Z.NO/
127 AM CDT Sat Jul 4 2026

...FLOOD WARNING IN EFFECT FROM THIS MORNING TO LATE TOMORROW
MORNING...
...REPLACES RIVER FLOOD WATCH...

* WHAT...Minor flooding is forecast.

* WHERE...The Black Hawk Creek at Hudson, or from the Black
  Hawk-Grundy County line to the Cedar River in Waterloo.

* WHEN...From this morning to late tomorrow morning.

* IMPACTS...At 16.0 feet, Water closes Ranchero Rd in Waterloo. Some
  residential evacuations may occur.

* ADDITIONAL DETAILS...
  - At 12:45 AM CDT Saturday the stage was 14.6 feet.
  - Forecast...The river is expected to rise above flood stage
    this morning to a crest of 15.6 feet this afternoon. It will
    then fall below flood stage late tonight.
  - Flood stage is 15.0 feet.

&&

LAT...LON 4248 9228 4235 9247 4235 9253 4242 9253
      4253 9238

$$

Ansorge