Significant record to near record heavy rainfall in North Central and Northeast Iowa from 21 to 23 September of 4 to over 10 plus inches caused major river flooding on many forecast points on the Iowa tributaries of the Wapsipinicon, Cedar, lower Iowa, and Maquoketa rivers.   Then major river flooding occurred downstream on the Mississppi River from the Iowa River and Mississippi River convergence and south.

Flood in DELAWARE, IOWA
From 23-SEP-16 12:00:00 to 23-SEP-16 16:00:00 (CST-6)
Location: DUNDEE
Flood cause: Heavy Rain
Property damage: 150.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Heavy rainfall of 4 to over 10 inches over significant areas from 21 to 23 September in extreme North Central and Northeast Iowa moved downstream causing the Maquoketa River to rise above major flood stage levels.
Manchester rose above its major flood stage level of 20.0 feet on September 23rd, 2016 at approximately 12 PM CST.  It crested around 20.3 feet at approximately 3 PM CST on September 23rd, 2016. It fell below major flood stage on September 23rd around 4 PM CST.

Flood in BENTON, IOWA
From 25-SEP-16 05:00:00 to 28-SEP-16 09:00:00 (CST-6)
Location: MT AUBURN
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Heavy rainfall of 4 to over 10 inches over significant areas from 21 to 23 September in extreme North Central and Northeast Iowa moved downstream causing the Cedar River to rise above major flood stage levels.
Vinton rose above its major flood stage level of 19.0 feet on September 25th, 2016 at approximately 5 AM CST.  It crested around 21.8 feet at approximately 8 AM CST on September 26th, 2016. It fell below major flood stage on September 28th around 9 AM CST.
Approximately 20 residences were inundated with water.  State Highway 150 was closed at Vinton.  Additional roads in the city of Vinton and secondary roads across the county were closed.

Flood in BUCHANAN, IOWA
From 24-SEP-16 09:00:00 to 26-SEP-16 22:00:00 (CST-6)
Location: FAIRBANK
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Heavy rainfall of 4 to over 10 inches over significant areas from 21 to 23 September in extreme North Central and Northeast Iowa moved downstream causing the Wapsipinicon River to rise above major flood stage levels.
Independence rose above its major flood stage level of 15.0 feet on September 24th, 2016 at approximately 9 AM CST.  It crested around 19.4 feet at approximately 11 AM CST on September 25th, 2016. It fell below major flood stage on September 26th around 11 PM CST.

Flood in CEDAR, IOWA
From 27-SEP-16 21:00:00 to 30-SEP-16 23:59:00 (CST-6)
Location: CEDAR BLUFF
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county Emergency Manager reported roughly 10 homes under water.  There were 4 campgrounds that were evacuated.  Numerous road closures occurred near the river.

Flood in LINN, IOWA
From 26-SEP-16 21:00:00 to 30-SEP-16 06:00:00 (CST-6)
Location: COVINGTON
Flood cause: Heavy Rain
Property damage: 2200.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Heavy rainfall of 4 to over 10 inches over significant areas from 21 to 23 September in extreme North Central and Northeast Iowa moved downstream causing the Cedar River to rise above major flood stage levels.
Cedar Rapids rose above its major flood stage level of 16.0 feet on September 25th, 2016 at approximately 10 PM CST.  It crested around 22.0 feet at approximately 8 AM CST on September 26th, 2016. It fell below major flood stage on September 30th around 6 AM CST.
Over 100 buildings and homes were impacted by the flooding.  Dozens of blocks were closed of due to temporary barriers related to the flooding for a few to several days.
Local agencies reported 27 roads were closed across the county.
Roughly 100 homes were evacuated in Palo, a community near Cedar Rapids along the Cedar River.
All the bridges except for the I-380 were closed.  All schools in Cedar Rapids were closed for 3 days.
This was the second highest crest on record, surpassed only by the crest of 31.12 feet in 2008.