Alert archive / Iowa / River Flood Warnings in 2024

River Flood Warning 21, NWS Des Moines, IA

May 22, 2024Black Hawk County, Bremer County, Butler County, Iowa

NWS Des Moines, IA issued this river flood warning at May 22, 2024, 11:10 AM CDT for Black Hawk County, Bremer County, Butler County, Iowa. It took effect at May 22, 2024, 11:00 PM CDT. It was in force for 20 hr.

The area

The outline as issued.

The facts

Issued
May 22, 2024, 11:10 AM CDT (16:10 UTC)
In effect from
May 22, 2024, 11:00 PM CDT
Expired
May 23, 2024, 7:00 PM CDT
In force
20 hr
Issued by
NWS Des Moines, IA
Area
Storm-based polygon
Flood severity
Minor

Counties Black Hawk County, IA, Bremer County, IA, Butler County, IA

The radar

The Des Moines radar (KDMX), 144 km from the middle of the area, began a volume at 16:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Shell Rock River at Shell Rock (SHRI4). The gauge peaked at 11.74 ft at May 23, 2024, 12:00 AM CDT.

actionminormoderate101505/2205/2305/2405/25
Action stage
10 ft
Minor stage
12 ft
Moderate stage
16 ft
Major stage
18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05462000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

098 
WGUS43 KDMX 221610
FLWDMX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Des Moines IA
1110 AM CDT Wed May 22 2024

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

  Cedar River at Cedar Falls affecting Black Hawk County.

  Shell Rock River at Shell Rock affecting Butler, Black Hawk and 
  Bremer Counties.

...Forecast flooding changed from Minor to Moderate severity and 
increased in duration for the following rivers in Iowa...

  Black Hawk Creek at Hudson affecting Black Hawk County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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.

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

&&

IAC013-230415-
/O.NEW.KDMX.FL.W.0020.240523T0200Z-240524T1200Z/
/CEDI4.1.ER.240523T0200Z.240523T1200Z.240524T0600Z.NO/
1110 AM CDT Wed May 22 2024

...FLOOD WARNING IN EFFECT FROM THIS EVENING TO FRIDAY MORNING...

* WHAT...Minor flooding is forecast.

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

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

* IMPACTS...At 89.7 feet, Water affects the road at 1712 and 1118 
  Cottage Row Rd.

* ADDITIONAL DETAILS...
  - At 9:45 AM CDT Wednesday the stage was 87.2 feet.
  - Forecast...The river is expected to rise above flood stage
    late this evening to a crest of 89.5 feet tomorrow morning.
    It will then fall below flood stage early Friday morning.
  - Flood stage is 89.0 feet.


&&

LAT...LON 4256 9238 4251 9245 4258 9255 4262 9255
      4262 9241


$$

IAC013-017-023-230415-
/O.NEW.KDMX.FL.W.0021.240523T0400Z-240524T0000Z/
/SHRI4.1.ER.240523T0400Z.240523T1200Z.240523T1800Z.NO/
1110 AM CDT Wed May 22 2024

...FLOOD WARNING IN EFFECT FROM THIS EVENING TO TOMORROW EVENING...

* WHAT...Minor flooding is forecast.

* WHERE...The Shell Rock River at Shell Rock, or from Flood Creek 
  near Clarksville...to the Cedar River.

* WHEN...From this evening to tomorrow evening.

* IMPACTS...At 12.0 feet, Water affects S Prairie St.

* ADDITIONAL DETAILS...
  - At 9:45 AM CDT Wednesday the stage was 11.3 feet.
  - Forecast...The river is expected to rise above flood stage
    late this evening to a crest of 12.2 feet tomorrow morning.
    It will then fall below flood stage early tomorrow afternoon.
  - Flood stage is 12.0 feet.


&&

LAT...LON 4265 9249 4265 9255 4279 9272 4284 9269
      4269 9249


$$

IAC013-230415-
/O.EXT.KDMX.FL.W.0017.000000T0000Z-240524T0834Z/
/HUDI4.2.ER.240522T1003Z.240523T0600Z.240524T0234Z.NO/
1110 AM CDT Wed May 22 2024

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY FRIDAY MORNING...

* WHAT...Minor flooding is occurring and moderate 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...Until early Friday morning.

* IMPACTS...At 15.5 feet, Ranchero Rd in Waterloo is under water.

* ADDITIONAL DETAILS...
  - At 9:45 AM CDT Wednesday the stage was 14.9 feet.
  - Forecast...The river is expected to rise to a crest of 15.7
    feet just after midnight tonight. It will then fall below
    flood stage late tomorrow evening.
  - Flood stage is 14.0 feet.


&&

LAT...LON 4248 9228 4235 9247 4235 9254 4242 9254
      4253 9238


$$

Zogg
3 follow-up statements
013 
WGUS83 KDMX 230157
FLSDMX

Flood Statement
National Weather Service Des Moines IA
857 PM CDT Wed May 22 2024

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

  Iowa River at Marshalltown affecting Marshall County.

  Iowa River near Tama Hwy E49 affecting Tama County.

  Des Moines River at Des Moines SE 6th St affecting Polk County.

  Des Moines River at Fort Dodge affecting Webster County.

  East Fork Des Moines River near Algona affecting Kossuth and 
  Humboldt Counties.

  Raccoon River at Des Moines Fleur Dr affecting Polk County.

...The Flood Warning is extended for the following rivers in Iowa...

  Cedar River at Cedar Falls affecting Black Hawk County.

  Shell Rock River at Shell Rock affecting Bremer, Black Hawk and 
  Butler Counties.

  Beaver Creek at New Hartford affecting Black Hawk and Butler 
  Counties.

  Black Hawk Creek at Hudson affecting Black Hawk County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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

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

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

&&

IAC013-231400-
/O.EXT.KDMX.FL.W.0020.240523T0157Z-240525T1200Z/
/CEDI4.1.ER.240522T2128Z.240524T0000Z.240525T0600Z.NO/
857 PM CDT Wed May 22 2024

...FLOOD WARNING NOW IN EFFECT FROM THIS EVENING TO SATURDAY 
MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

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

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

* IMPACTS...At 91.2 feet, Water affects portions of Lake St.

* ADDITIONAL DETAILS...
  - At 7:45 PM CDT Wednesday the stage was 89.6 feet.
  - Forecast...The river is expected to rise to a crest of 91.2
    feet tomorrow evening. It will then fall below flood stage
    early Saturday morning.
  - Flood stage is 89.0 feet.


&&

LAT...LON 4256 9238 4251 9245 4258 9255 4262 9255
      4262 9241


$$

IAC013-023-231400-
/O.EXT.KDMX.FL.W.0019.000000T0000Z-240523T2000Z/
/NHRI4.1.ER.240522T0926Z.240522T2045Z.240523T1400Z.NO/
857 PM CDT Wed May 22 2024

...FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW AFTERNOON...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...The Beaver Creek at New Hartford, or from Johnson Creek 
  near Parkersburg...to the Cedar River.

* WHEN...Until tomorrow afternoon.

* IMPACTS...At 13.0 feet, Water affects the lowest portions of New 
  Hartford and affects some of the lowest roads.

* ADDITIONAL DETAILS...
  - At 8:00 PM CDT Wednesday the stage was 12.7 feet.
  - Forecast...The river is expected to rise to a crest of 12.8
    feet just after midnight tonight. It will then fall below
    flood stage late tomorrow morning.
  - Flood stage is 12.5 feet.


&&

LAT...LON 4256 9249 4256 9282 4262 9281 4259 9265
      4258 9249


$$

IAC127-231400-
/O.EXT.KDMX.FL.W.0018.000000T0000Z-240524T0800Z/
/MIWI4.1.ER.240522T1815Z.240523T0600Z.240524T0200Z.NO/
857 PM CDT Wed May 22 2024

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY FRIDAY MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...The Iowa River at Marshalltown, or from Minerva Creek near 
  Albion...to Timber Creek near Le Grand.

* WHEN...Until early Friday morning.

* IMPACTS...At 19.5 feet, Water affects the southbound lanes of Iowa 
  14 as well as Iowa 330 south of Albion.

* ADDITIONAL DETAILS...
  - At 8:00 PM CDT Wednesday the stage was 19.5 feet.
  - Forecast...The river is expected to rise to a crest of 19.7
    feet just after midnight tonight. It will then fall below
    flood stage late tomorrow evening.
  - Flood stage is 19.0 feet.


&&

LAT...LON 4204 9297 4212 9308 4214 9302 4205 9277
      4200 9277


$$

IAC013-231400-
/O.EXT.KDMX.FL.W.0017.000000T0000Z-240524T1017Z/
/HUDI4.2.ER.240522T1003Z.240523T0600Z.240524T0417Z.NO/
857 PM CDT Wed May 22 2024

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY FRIDAY MORNING...

* WHAT...Moderate flooding is occurring and moderate 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...Until early Friday morning.

* IMPACTS...At 15.5 feet, Ranchero Rd in Waterloo is under water.

* ADDITIONAL DETAILS...
  - At 7:45 PM CDT Wednesday the stage was 15.5 feet.
  - Forecast...The river is expected to rise to a crest of 15.6
    feet just after midnight tonight. It will then fall below
    flood stage late tomorrow evening.
  - Flood stage is 14.0 feet.


&&

LAT...LON 4248 9228 4235 9247 4235 9254 4242 9254
      4253 9238


$$

IAC091-109-231400-
/O.EXT.KDMX.FL.W.0016.000000T0000Z-240523T2100Z/
/AGNI4.1.ER.240522T0336Z.240522T1515Z.240523T1500Z.NO/
857 PM CDT Wed May 22 2024

...FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW AFTERNOON...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...The East Fork Des Moines River near Algona, or from 
  Buffalo Creek near Burt...to Lotts Creek near Livermore.

* WHEN...Until tomorrow afternoon.

* IMPACTS...At 17.0 feet, Water threatens US 169 south of Algona and 
  affects some rural roads.

* ADDITIONAL DETAILS...
  - At 8:15 PM CDT Wednesday the stage was 17.4 feet.
  - Forecast...The river is expected to fall below flood stage
    late tomorrow morning and continue falling and remain below
    flood stage.
  - Flood stage is 17.0 feet.


&&

LAT...LON 4288 9415 4288 9425 4307 9428 4320 9422
      4320 9414


$$

IAC153-231400-
/O.EXT.KDMX.FL.W.0014.000000T0000Z-240525T0300Z/
/DEMI4.1.ER.240522T0814Z.240522T1400Z.240524T2100Z.NO/
857 PM CDT Wed May 22 2024

...FLOOD WARNING NOW IN EFFECT UNTIL LATE FRIDAY EVENING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...The Raccoon River at Des Moines Fleur Dr, or from Walnut 
  Creek...to the Des Moines River.

* WHEN...Until late Friday evening.

* IMPACTS...At 13.5 feet, Water affects the low areas of Water Works 
  Park.

* ADDITIONAL DETAILS...
  - At 7:45 PM CDT Wednesday the stage was 13.8 feet.
  - Forecast...The river is expected to fall below flood stage
    Friday afternoon and continue falling and remain below flood
    stage.
  - Flood stage is 12.0 feet.


&&

LAT...LON 4157 9361 4156 9368 4158 9367 4159 9362


$$

IAC153-231400-
/O.EXT.KDMX.FL.W.0013.000000T0000Z-240524T2100Z/
/DESI4.1.ER.240522T1022Z.240523T0000Z.240524T1500Z.NO/
857 PM CDT Wed May 22 2024

...FLOOD WARNING NOW IN EFFECT UNTIL FRIDAY AFTERNOON...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...The Des Moines River at Des Moines SE 6th St, or from 
  below the Center Street dam...to Runnells.

* WHEN...Until Friday afternoon.

* IMPACTS...At 25.7 feet, Water surrounds the base of Simon Estes 
  Amphitheater.

* ADDITIONAL DETAILS...
  - At 8:00 PM CDT Wednesday the stage was 25.1 feet.
  - Forecast...The river is expected to fall below flood stage
    late Friday morning and continue falling and remain below
    flood stage.
  - Flood stage is 24.0 feet.


&&

LAT...LON 4159 9356 4152 9333 4145 9333 4154 9356
      4159 9366


$$

IAC171-231400-
/O.EXT.KDMX.FL.W.0011.000000T0000Z-240527T0600Z/
/TMAI4.2.ER.240521T1924Z.240523T1800Z.240527T0000Z.NR/
857 PM CDT Wed May 22 2024

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY MONDAY MORNING...

* WHAT...Moderate flooding is occurring and moderate flooding is 
  forecast. This approaches the flood of record.

* WHERE...The Iowa River near Tama Hwy E49, or from Timber Creek 
  near Le Grand...to Salt Creek near Belle Plaine.

* WHEN...Until early Monday morning.

* IMPACTS...At 14.0 feet, Water affects Hwy E49 between D Ave and E 
  Ave.

* ADDITIONAL DETAILS...
  - At 8:00 PM CDT Wednesday the stage was 13.4 feet.
  - Forecast...The river is expected to rise to a crest of 13.9
    feet early tomorrow afternoon. It will then fall below flood
    stage Sunday evening.
  - Flood stage is 12.5 feet.


&&

LAT...LON 4200 9277 4205 9277 4190 9230 4186 9230


$$

IAC013-017-023-231400-
/O.EXT.KDMX.FL.W.0021.240523T1200Z-240524T0000Z/
/SHRI4.1.ER.240523T1200Z.240523T1200Z.240523T1800Z.NO/
857 PM CDT Wed May 22 2024

...FLOOD WARNING NOW IN EFFECT FROM THURSDAY MORNING TO TOMORROW 
EVENING...

* WHAT...Minor flooding is forecast.

* WHERE...The Shell Rock River at Shell Rock, or from Flood Creek 
  near Clarksville...to the Cedar River.

* WHEN...From Thursday morning to tomorrow evening.

* IMPACTS...At 12.0 feet, Water affects S Prairie St.

* ADDITIONAL DETAILS...
  - At 7:45 PM CDT Wednesday the stage was 11.7 feet.
  - Forecast...The river is expected to rise to a crest of 12.0
    feet tomorrow morning. It will then fall below flood stage
    early tomorrow afternoon.
  - Flood stage is 12.0 feet.


&&

LAT...LON 4265 9249 4265 9255 4279 9272 4284 9269
      4269 9249


$$

IAC187-231400-
/O.EXT.KDMX.FL.W.0015.240523T1200Z-240526T1200Z/
/FODI4.1.ER.240523T1200Z.240524T1200Z.240526T0600Z.NO/
857 PM CDT Wed May 22 2024

...FLOOD WARNING NOW IN EFFECT FROM THURSDAY MORNING TO SUNDAY 
MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...The Des Moines River at Fort Dodge, or from the municipal 
  power dam...to Lehigh.

* WHEN...From Thursday morning to Sunday morning.

* IMPACTS...At 11.0 feet, Water affects lowland areas near the river 
  and threatens residences along the river in Fort Dodge.

* ADDITIONAL DETAILS...
  - At 8:00 PM CDT Wednesday the stage was 10.0 feet.
  - Forecast...The river is expected to rise above flood stage
    tomorrow morning to a crest of 11.4 feet Friday morning. It
    will then fall below flood stage early Sunday morning.
  - Flood stage is 10.5 feet.


&&

LAT...LON 4242 9421 4265 9424 4265 9416 4232 9393
      4230 9405


$$

Castillo/Donavon
869 
WGUS83 KDMX 230749
FLSDMX

Flood Statement
National Weather Service Des Moines IA
249 AM CDT Thu May 23 2024

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

  Shell Rock River at Shell Rock affecting Butler, Bremer and Black 
  Hawk Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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.

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

&&

IAC013-017-023-232000-
/O.CON.KDMX.FL.W.0021.240523T1200Z-240524T0000Z/
/SHRI4.1.ER.240523T1200Z.240523T1200Z.240523T1800Z.NO/
249 AM CDT Thu May 23 2024

...FLOOD WARNING REMAINS IN EFFECT FROM THIS MORNING TO THIS 
EVENING...

* WHAT...Minor flooding is forecast.

* WHERE...The Shell Rock River at Shell Rock, or from Flood Creek 
  near Clarksville...to the Cedar River.

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

* IMPACTS...At 12.0 feet, Water affects S Prairie St.

* ADDITIONAL DETAILS...
  - At 1:45 AM CDT Thursday the stage was 11.7 feet.
  - Forecast...The river is expected to rise to a crest of 12.0
    feet this morning. It will then fall below flood stage this
    afternoon.
  - Flood stage is 12.0 feet.


&&

LAT...LON 4265 9249 4265 9255 4279 9272 4284 9269
      4269 9249


$$

Dodson
503 
WGUS83 KDMX 231439
FLSDMX

Flood Statement
National Weather Service Des Moines IA
939 AM CDT Thu May 23 2024

...The Flood Warning is extended for the following rivers in Iowa...

  Iowa River at Marshalltown affecting Marshall County.

  Iowa River near Tama Hwy E49 affecting Tama County.

  Cedar River at Waterloo affecting Black Hawk County.

  Cedar River at Cedar Falls affecting Black Hawk County.

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

  Black Hawk Creek at Hudson affecting Black Hawk County.

...The Flood Warning is cancelled for the following rivers in Iowa...

  Shell Rock River at Shell Rock affecting Butler, Bremer and Black 
  Hawk Counties.

  Beaver Creek at New Hartford affecting Butler and Black Hawk 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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.


&&

IAC013-017-023-231545-
/O.CAN.KDMX.FL.W.0021.000000T0000Z-240523T1439Z/
/SHRI4.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
939 AM CDT Thu May 23 2024

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Shell Rock River at Shell Rock, or from Flood Creek near 
  Clarksville...to the Cedar River.

* ADDITIONAL DETAILS...
  - At 8:45 AM CDT Thursday the stage was 11.7 feet.
  - Forecast...The river is expected to rise to a crest of 11.7
    feet this afternoon.
  - Flood stage is 12.0 feet.


&&

LAT...LON 4265 9249 4265 9255 4279 9272 4284 9269
      4269 9249


$$

IAC013-023-231545-
/O.CAN.KDMX.FL.W.0019.000000T0000Z-240523T1439Z/
/NHRI4.1.ER.240522T0926Z.240523T0100Z.240523T0726Z.NO/
939 AM CDT Thu May 23 2024

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Beaver Creek at New Hartford, or from Johnson Creek near 
  Parkersburg...to the Cedar River.

* ADDITIONAL DETAILS...
  - At 9:00 AM CDT Thursday the stage was 12.0 feet.
  - Forecast...The river is expected to fall and remain below
    flood stage.
  - Flood stage is 12.5 feet.


&&

LAT...LON 4256 9249 4256 9282 4262 9281 4259 9265
      4258 9249


$$

IAC013-240245-
/O.EXT.KDMX.FL.W.0022.000000T0000Z-240524T1930Z/
/ALOI4.1.ER.240523T1448Z.240524T0000Z.240524T1330Z.NO/
939 AM CDT Thu May 23 2024

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY TOMORROW AFTERNOON...

* WHAT...Minor flooding is forecast.

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

* WHEN...Until early tomorrow afternoon.

* 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 9:00 AM CDT Thursday the stage was 12.9 feet.
  - Forecast...The river is expected to rise above flood stage
    late this morning to a crest of 13.7 feet this evening. It
    will then fall below flood stage tomorrow morning.
  - Flood stage is 13.0 feet.


&&

LAT...LON 4256 9238 4238 9207 4230 9207 4230 9222
      4251 9245


$$

IAC013-240245-
/O.EXT.KDMX.FL.W.0020.000000T0000Z-240525T1930Z/
/CEDI4.1.ER.240522T2128Z.240523T1800Z.240525T1330Z.NO/
939 AM CDT Thu May 23 2024

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY SATURDAY AFTERNOON...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

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

* WHEN...Until early Saturday afternoon.

* IMPACTS...At 91.2 feet, Water affects portions of Lake St.

* ADDITIONAL DETAILS...
  - At 8:45 AM CDT Thursday the stage was 91.1 feet.
  - Forecast...The river is expected to rise to a crest of 91.2
    feet this afternoon. It will then fall below flood stage
    Saturday morning.
  - Flood stage is 89.0 feet.


&&

LAT...LON 4256 9238 4251 9245 4258 9255 4262 9255
      4262 9241


$$

IAC127-240245-
/O.EXT.KDMX.FL.W.0018.000000T0000Z-240524T1800Z/
/MIWI4.1.ER.240522T1815Z.240523T1145Z.240524T1200Z.NO/
939 AM CDT Thu May 23 2024

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY TOMORROW AFTERNOON...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...The Iowa River at Marshalltown, or from Minerva Creek near 
  Albion...to Timber Creek near Le Grand.

* WHEN...Until early tomorrow afternoon.

* IMPACTS...At 20.0 feet, Water approaches the top of the concrete 
  bridge piers of the Iowa 14 bridge.

* ADDITIONAL DETAILS...
  - At 9:00 AM CDT Thursday the stage was 20.0 feet.
  - Forecast...The river is expected to fall below flood stage
    tomorrow morning and continue falling and remain below flood
    stage.
  - Flood stage is 19.0 feet.


&&

LAT...LON 4204 9297 4212 9308 4214 9302 4205 9277
      4200 9277


$$

IAC171-240245-
/O.EXT.KDMX.FL.W.0011.000000T0000Z-240528T1200Z/
/TMAI4.2.ER.240521T1924Z.240524T0600Z.240528T0600Z.NR/
939 AM CDT Thu May 23 2024

...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY MORNING...

* WHAT...Moderate flooding is occurring and moderate flooding is 
  forecast.

* WHERE...The Iowa River near Tama Hwy E49, or from Timber Creek 
  near Le Grand...to Salt Creek near Belle Plaine.

* WHEN...Until Tuesday morning.

* IMPACTS...At 14.0 feet, Water affects Hwy E49 between D Ave and E 
  Ave.

* ADDITIONAL DETAILS...
  - At 9:00 AM CDT Thursday the stage was 13.7 feet.
  - Forecast...The river is expected to rise to a crest of 13.9
    feet just after midnight tonight. It will then fall below
    flood stage early Tuesday morning.
  - Flood stage is 12.5 feet.


&&

LAT...LON 4200 9277 4205 9277 4190 9230 4186 9230


$$

IAC013-240245-
/O.CON.KDMX.FL.W.0017.000000T0000Z-240524T1017Z/
/HUDI4.2.ER.240522T1003Z.240522T2315Z.240524T0417Z.NO/
939 AM CDT Thu May 23 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE TONIGHT...

* WHAT...Moderate flooding is occurring and moderate 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...Until late tonight.

* IMPACTS...At 15.0 feet, Water affects Iowa 58 as well as Fletcher 
  Ave in Waterloo.

* ADDITIONAL DETAILS...
  - At 8:45 AM CDT Thursday the stage was 15.1 feet.
  - Forecast...The river is expected to fall below flood stage
    late this evening and continue falling and remain below flood
    stage.
  - Flood stage is 14.0 feet.


&&

LAT...LON 4248 9228 4235 9247 4235 9254 4242 9254
      4253 9238


$$

Zogg

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 21, 7:53 PM CDTRiver Flood WarningDMXWebster4 days
May 21, 8:05 PM CDTRiver Flood WarningDMXHumboldt, Kossuth66 hr
May 21, 8:43 PM CDTRiver Flood WarningDMXBlack Hawk61 hr
May 21, 8:50 PM CDTRiver Flood WarningDMXMarshall58 hr
May 22, 4:30 AM CDTRiver Flood WarningDMXBlack Hawk, Butler29 hr
May 22, 11:04 AM CDTAreal Flood WarningDMXButler12 hr
May 22, 11:10 AM CDTRiver Flood WarningDMXBlack Hawk71 hr

Nearby

River Flood Warnings in Iowa, 2024Every river flood warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.