Four consecutive days of light to heavy rainfall events during the middle of May resulted in near 1.5 inches and some minor flooding along the more narrow, shallow rivers in northeast Iowa. Initial light to moderate rainfall on May 12th quenched soils from a drier than normal spring, while subsequent storms over the weekend of May 13th-14th resulted in rapid runoff and minor flooding along the Little Cedar and Turkey Rivers. Along the Little Cedar River, the highest realized height above flood stage occurred in Nashua (Chickasaw County) on May 16th with 0.94 feet. Along the Turkey River, the river gauge in Cresco (Howard County) crested 0.57 feet above flood stage on May 15th.

Flood in MITCHELL, IOWA
From 14-MAY-23 22:00:00 to 15-MAY-23 09:30:00 (CST-6)
Location: NEW HAVEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Significant runoff from heavy rainfall upstream resulted in a rapid rise of water and minor flooding along the Little Cedar River near Orchard on May 15th. Minor flooding was initially realized late on May 14th, with the river cresting 0.51 feet above flood stage of 1081.5 feet above sea level during the early morning of May 15th. It then fell below flood stage later that morning.

Flood in HOWARD, IOWA
From 14-MAY-23 22:00:00 to 15-MAY-23 09:30:00 (CST-6)
Location: VERNON SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Volunteer observers in Howard County reported 0.97 inches of rainfall near Cresco on May 12th as well as minor flooding in low lying areas near Davis Corners on May 14th. As a result of the heavy rain, the Turkey River in Cresco rapidly rose on May 14th, cresting 0.57 feet above minor flood stage of 1128.5 feet above sea level late that night. It then fell below flood stage during the early morning of May 15th.

Flood in CHICKASAW, IOWA
From 15-MAY-23 23:15:00 to 16-MAY-23 12:15:00 (CST-6)
Location: CHICKASAW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Significant runoff from heavy rainfall upstream resulted in rapid rises and minor flooding along the Little Cedar River near Ionia on May 16th. Minor flooding was initially realized late on May 15th, with the river cresting 0.68 feet above flood stage of 10.0 feet during the early morning of May 16th. It then fell below flood stage that afternoon.

Flood in WINNESHIEK, IOWA
From 15-MAY-23 08:15:00 to 15-MAY-23 16:30:00 (CST-6)
Location: PROTIVIN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Significant runoff from heavy rainfall upstream resulted in rapid rises and minor flooding along the Turkey River in Spillville on May 15th. Minor flooding was initially realized the morning of May 15th, with the river cresting 0.48 feet above flood stage of 9.0 feet during the afternoon of May 15th. It then fell below flood stage that evening.

Flood in CHICKASAW, IOWA
From 16-MAY-23 05:00:00 to 16-MAY-23 23:15:00 (CST-6)
Location: NASHUA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Significant runoff from heavy rainfall upstream resulted in a rapid rise of water and minor flooding along the Little Cedar River near Nashua on May 16th. Minor flooding was initially realized during the early morning of May 16th, with the river cresting 0.94 feet above flood stage of 954.5 feet above sea level on the afternoon of May 16th. It then fell below flood stage late that night.