Significant flooding occurred on the mainstem Mississippi largely due to the record snowfall this winter in Minnesota and Wisconsin, frozen ground, rapid snowmelt during the middle of April, and saturated soils.  Major flooding was observed at all sites along the Mississippi north of Keokuk Iowa and most sites saw one of their top 10 crests on record.
This flooding had numerous impacts, with many roads, businesses, homes, and people affected.

Flood in LOUISA, IOWA
From 26-APR-23 04:00:00 to 30-APR-23 23:59:00 (CST-6)
Location: TOOLESBORO
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Mississippi River at New Boston rose above its major flood stage of 18.5 feet during the early morning hours of April 26th,  The river continued to rise to 20.6 feet late in the day on April 30th.
The Mississippi River at Keithsburg rose above its major flood stage of 17.0 feet during the early morning hours of April 26th and continued to rise to 18.88 feet by the end of the month.

Flood in SCOTT, IOWA
From 24-APR-23 12:00:00 to 30-APR-23 23:59:00 (CST-6)
Location: RIVERDALE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Mississippi River at Rock Island Lock and Dam 15 rose above its major flood stage of 18.0 feet around mid day on  April 24th and continued to rise to its crest of 21.41 on the evening of April 30th.

Flood in DES MOINES, IOWA
From 27-APR-23 04:00:00 to 30-APR-23 23:59:00 (CST-6)
Location: KINGSTON
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Mississippi River at Gladstone rose above its major flood stage of 14 feet during the early morning hours of April 27th. It continued to rise to 15.6 feet during the evening hours of April 30th.

Flood in DUBUQUE, IOWA
From 22-APR-23 18:37:00 to 30-APR-23 23:59:00 (CST-6)
Location: KEY WEST
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Rapid snow melt across Minnesota and Wisconsin caused the Mississippi River at Dubuque Lock and Dam 11 to rise above its major flood stage of 20.5 feet during the evening hours of April 22nd. The river crested at 25.59 feet on April 27th.  The river began to gradually fall but remain above major flood stage.

Flood in CLINTON, IOWA
From 25-APR-23 08:00:00 to 30-APR-23 23:59:00 (CST-6)
Location: WEST CLINTON
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Mississippi River at Camanche rose above its major flood stage of 20.5 feet during the morning hours of April 25th and continued to rise to its crest of 22.82 on the evening of April 30th. During the early morning hours of April 30th there was a minor breech of the levee near the marina at 2nd street and 4th Avenue. The breech was quickly brought under control according to media reports.

Flood in SCOTT, IOWA
From 25-APR-23 08:00:00 to 30-APR-23 23:59:00 (CST-6)
Location: LE CLAIRE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Mississippi River at Le Claire Lock and Dam 14 rose above its major flood stage of 13.5 feet during the morning hours of April 25th and continued to rise to its crest of 16.12 on the evening of April 30th.

Flood in MUSCATINE, IOWA
From 26-APR-23 13:00:00 to 30-APR-23 23:59:00 (CST-6)
Location: MUSCATINE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Mississippi River at Muscatine rose above its major flood stage of 20.0 feet during the  afternoon on April 26th and continued to rise to 22.13 feet during the evening hours of April 30th.

Flood in DES MOINES, IOWA
From 26-APR-23 19:00:00 to 30-APR-23 23:59:00 (CST-6)
Location: BURLINGTON
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Mississippi River at Burlington rose above its major flood stage of 18.0 feet during the evening hours of April 26th.  The river continues to rise to 19.68 feet on the evening of April 30th.
The Mississippi River at Gladstone rose above its major flood stage of 14 feet during the early morning hours of April 27th. It continued to rise to 15.6 feet during the evening hours of April 30th.

Flood in JACKSON, IOWA
From 25-APR-23 01:00:00 to 30-APR-23 23:59:00 (CST-6)
Location: SMITHS FERRY
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Rapid snow melt across Minnesota and Wisconsin caused the Mississippi River at Bellevue Lock and Dam 12 to rise above its major flood stage of 20.0 feet during the early morning hours of April 25th. The river crested at 20.87 feet on April 29th.  The river began to gradually fall but remain above major flood stage.