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Flood Warning — Louisa County, IA
Flood Warning
Issued
Expires
11:00 a. m. CDT · vie., sept. 25 2026
Issuing Office
NWS KDVN

Affected Areas

Louisa County, IA

Official Bulletin

107
WGUS43 KDVN 210042
FLWDVN

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Quad Cities IA IL
742 PM 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 Wapello affecting Louisa County.

  Iowa River at Oakville affecting Louisa 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.

Caution is urged when walking near riverbanks.

The next statement will be issued by Monday evening.

&&

IAC115-220045-
/O.NEW.KDVN.FL.W.0075.260921T0600Z-260925T2200Z/
/WAPI4.1.ER.260921T0600Z.260923T0600Z.260925T1400Z.NO/
742 PM CDT Sun Sep 20 2026

...FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO FRIDAY AFTERNOON...
...REPLACES RIVER FLOOD WATCH...

* WHAT...Minor flooding is forecast.

* WHERE...Iowa River at Wapello.

* WHEN...From late tonight to Friday afternoon.

* IMPACTS...At 25.0 feet, Widespread flooding of agricultural land.
  Numerous secondary roads are under water.

* ADDITIONAL DETAILS...
  - At 7:00 PM CDT Sunday the stage was 20.1 feet.
  - Forecast...The river is expected to rise above flood stage just
    after midnight tonight to a crest of 24.3 feet early Wednesday
    morning. It will then fall below flood stage late Friday morning.
  - Flood stage is 21.0 feet.

&&

LAT...LON 4123 9129 4126 9126 4124 9121 4119 9114
      4116 9113 4112 9116 4116 9119 4121 9125

$$

IAC115-220045-
/O.NEW.KDVN.FL.W.0076.260921T1536Z-260925T2000Z/
/OKVI4.1.ER.260921T1536Z.260923T1200Z.260925T1200Z.NO/
742 PM CDT Sun Sep 20 2026

...FLOOD WARNING IN EFFECT FROM MONDAY MORNING TO FRIDAY AFTERNOON...
...REPLACES RIVER FLOOD WATCH...

* WHAT...Minor flooding is forecast.

* WHERE...Iowa River at Oakville.

* WHEN...From Monday morning to Friday afternoon.

* IMPACTS...At 15.0 feet, Water affects the south approach to the
  Iowa Highway 99 bridge near Oakville.

* ADDITIONAL DETAILS...
  - At 7:00 PM CDT Sunday the stage was 9.0 feet.
  - Forecast...The river is expected to rise above flood stage late
    tomorrow morning to a crest of 13.7 feet Wednesday morning. It
    will then fall below flood stage Friday morning.
  - Flood stage is 11.0 feet.

&&

LAT...LON 4112 9116 4116 9113 4115 9111 4113 9108
      4115 9107 4117 9105 4116 9103 4117 9101
      4116 9099 4114 9098 4113 9102 4109 9103
      4108 9110

$$

Uttech