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Flood Warning — Benton County, IA, Iowa County, IA
Flood Warning
Issued
7:00 p. m. CDT · dom., sept. 20 2026
Expires
2:00 a. m. CDT · mar., sept. 22 2026
Issuing Office
NWS KDVN

Affected Areas

Benton County, IA Iowa County, IA

Official Bulletin

964
WGUS43 KDVN 201502
FLWDVN

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Quad Cities IA IL
1002 AM CDT Sun Sep 20 2026

...The National Weather Service in Quad Cities has issued a Flood
Warning for the following rivers in Iowa...

  Iowa River at Marengo affecting Iowa and Benton Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov/quadcities.

The next statement will be issued by Monday morning.

&&

IAC011-095-211515-
/O.NEW.KDVN.FL.W.0074.260921T0000Z-260922T0700Z/
/MROI4.1.ER.260921T0000Z.260921T0600Z.260921T2230Z.NO/
1002 AM CDT Sun Sep 20 2026

...FLOOD WARNING IN EFFECT FROM THIS EVENING TO LATE MONDAY NIGHT...

* WHAT...Minor flooding is forecast.

* WHERE...Iowa River at Marengo.

* WHEN...From this evening to late Monday night.

* IMPACTS...At 15.0 feet, Water reaches the bottom of the levee
  surrounding Marengo. Water affects low lying agricultural land
  along the river

* ADDITIONAL DETAILS...
  - At 9:00 AM CDT Sunday the stage was 12.7 feet and rising.
  - Forecast...The river is expected to rise above flood stage this
    evening to a crest of 15.4 feet overnight. It will then fall
    below flood stage Monday afternoon.
  - Flood stage is 15.0 feet.

&&

LAT...LON 4192 9230 4187 9224 4185 9216 4182 9206
      4181 9193 4182 9183 4176 9183 4176 9191
      4178 9210 4181 9230

$$

Friedlein