Back to Home
Flood Watch — Black Hawk, IA
Flood Watch
Issued
9:00 PM CDT · Fri, Jul 3 2026
Expires
7:00 AM CDT · Sun, Jul 5 2026
Issuing Office
NWS KDMX

Affected Areas

Black Hawk, IA

Official Bulletin

423
WGUS63 KDMX 030852
FFADMX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Des Moines IA
352 AM CDT Fri Jul 3 2026

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

  Black Hawk Creek at Hudson affecting Black Hawk county.

...The Flood Watch continues for the following rivers in Iowa...

  Cedar River at Cedar Falls affecting Black Hawk county.

  Cedar River at Waterloo affecting Black Hawk county.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you are in the watch area, remain alert to possible flooding.

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

&&

IAZ039-040500-
/O.NEW.KDMX.FL.A.0011.260704T0200Z-260705T1200Z/
/HUDI4.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
352 AM CDT Fri Jul 3 2026

...FLOOD WATCH IN EFFECT FROM THIS EVENING TO SUNDAY MORNING...

* WHAT...Flooding is possible.

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

* WHEN...From this evening to Sunday morning.

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

* ADDITIONAL DETAILS...
  - At 2:45 AM CDT Friday the stage was 11.7 feet.
  - Forecast...Flood stage may be reached late this evening.
  - Flood stage is 15.0 feet.

&&

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

$$

IAZ039-040500-
/O.CON.KDMX.FL.A.0006.260704T2221Z-260707T0800Z/
/CEDI4.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
352 AM CDT Fri Jul 3 2026

...FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON TO EARLY
TUESDAY MORNING...

* WHAT...Flooding is possible.

* WHERE...The Cedar River at Cedar Falls, or from the West Fork
  Cedar River to the Cedar Falls-Waterloo city limits.

* WHEN...From Saturday afternoon to early Tuesday morning.

* IMPACTS...At 91.0 feet, Water affects Big Woods Rd south of
  Dunkerton Rd as well as the north parking lot of Island Park.

* ADDITIONAL DETAILS...
  - At 2:45 AM CDT Friday the stage was 80.4 feet.
  - Forecast...Flood stage may be reached tomorrow afternoon.
  - Flood stage is 89.0 feet.

&&

LAT...LON 4256 9238 4249 9247 4258 9255 4262 9255
      4262 9241

$$

IAZ039-040500-
/O.CON.KDMX.FL.A.0007.260705T1500Z-260706T1500Z/
/ALOI4.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
352 AM CDT Fri Jul 3 2026

...FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING TO LATE MONDAY
MORNING...

* WHAT...Flooding is possible.

* WHERE...The Cedar River at Waterloo, or from the Waterloo-Cedar
  Falls city limits to Spring Creek near La Porte City.

* WHEN...From Sunday morning to late Monday morning.

* IMPACTS...At 13.0 feet, Many storm sewers are closed along Black
  Hawk Creek and the Cedar River. The Fletcher Ave levee gates are
  closed.

* ADDITIONAL DETAILS...
  - At 3:00 AM CDT Friday the stage was 6.8 feet.
  - Forecast...Flood stage may be reached late Sunday morning.
  - Flood stage is 13.0 feet.

&&

LAT...LON 4256 9238 4238 9207 4230 9207 4230 9222
      4240 9230 4249 9247

$$

Ansorge