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Elev 604 ft, 43.05 °N, 91.39 °W

Monona, IA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Monona, IA
Elevation: 604ft
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Active Weather Alerts

Flood Warning
Issued: 5:56 PM Sep. 20, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Southwestern Clayton County in northeastern Iowa along the
Volga River...

* WHEN...Until midnight CDT Tonight.

* IMPACTS...Minor to moderate flooding along the Volga River.

* ADDITIONAL DETAILS...
- At 1253 PM CDT, flooding continues on the Volga River in
southwestern Clayton County. The river has crested and is
starting to fall, and is expected to fall below flood stage later
tonight.

Gauge reports indicated heavy rain due to thunderstorms. Flooding
is ongoing or expected to begin shortly in the warned area.
- Some locations that will experience flooding include...
Volga, Highway 13 And County C 24, Osborne, Mederville, Communia
and Littleport.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be aware of your surroundings and do not drive on flooded roads.

&&



River Flood Warning
Issued: 1:58 PM Sep. 20, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL MONDAY AFTERNOON...

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

* WHERE...Turkey River at Garber.

* WHEN...Until Monday afternoon.

* ADDITIONAL DETAILS...
- At 8:15 AM CDT Sunday the stage was 21.7 feet.
- Bankfull stage is 15.0 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 8:15 AM CDT Sunday was 22.3 feet.
- Forecast...The river is expected to fall below flood stage just
after midnight tonight and continue falling to 8.0 feet Sunday,
September 27.
- Flood stage is 17.0 feet.
- Flood History...This crest compares to a previous crest of 21.7
feet on 03/19/1948.
- http://www.weather.gov/safety/flood

&&



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