Heavy rainfall continued across portions of central and northern Iowa through mid to late September. This allowed rivers across the area to go back into flood through the latter portion of the month. The West Fork of the Des Moines River remained in flood at the end of September and will be included in the October StormData event as well. The basins impacted by flooding were the Des Moines, Cedar, Winnebago, Shell Rock, and Boone River basins as well as Black Hawk Creek at Hudson.

Flood in PALO ALTO, IOWA
From 22-SEP-18 02:30:00 to 23-SEP-18 21:15:00 (CST-6)
Location: EMMETSBURG ARPT
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 250.00K
Reported by: Official NWS Observations

The West Fork of the Des Moines River at Emmetsburg crested at 11.29 feet on 23 September 2018 at 0530 UTC.

Flood in EMMET, IOWA
From 20-SEP-18 14:15:00 to 30-SEP-18 23:59:00 (CST-6)
Location: WELLINGFORD
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 250.00K
Reported by: Official NWS Observations

The West Fork of the Des Moines River at Estherville crested twice through the period and remained in flood into October. The first crest was at 10.62 feet on 21 September 2018 at 2145 UTC, the second crest was at 9.81 feet on 29 September 2018 at 1915 UTC.

Flood in KOSSUTH, IOWA
From 21-SEP-18 06:00:00 to 25-SEP-18 16:30:00 (CST-6)
Location: LU VERNE
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 250.00K
Reported by: Official NWS Observations

The East Fork of the Des Moines River at Algona crested at 19.16 feet on 22 September 2018 at 1915 UTC.

Flood in BLACK HAWK, IOWA
From 21-SEP-18 11:30:00 to 26-SEP-18 16:00:00 (CST-6)
Location: (ALO)WATERLOO MUNI A
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The Cedar River at Waterloo crested at 18.96 feet on 23 September 2018 at 1930 UTC.

Flood in BLACK HAWK, IOWA
From 20-SEP-18 16:15:00 to 29-SEP-18 12:30:00 (CST-6)
Location: (ALO)WATERLOO MUNI A
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The Cedar River at Cedar Falls crested at 96.36 feet on 23 September 2018 at 1400 UTC.

Flood in HUMBOLDT, IOWA
From 21-SEP-18 05:15:00 to 29-SEP-18 11:00:00 (CST-6)
Location: DAKOTA CITY
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 250.00K
Reported by: Official NWS Observations

The West Fork of the Des Moines River at Humboldt crested at 12.83 feet on 23 September 2018 at 0400 UTC.

Flood in WRIGHT, IOWA
From 21-SEP-18 16:00:00 to 25-SEP-18 16:45:00 (CST-6)
Location: CORNELIA
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 250.00K
Reported by: Official NWS Observations

The Iowa River at Rowan crested at 14.41 feet on 23 September 2018 at 0445 UTC.

Flood in BUTLER, IOWA
From 20-SEP-18 21:45:00 to 24-SEP-18 07:15:00 (CST-6)
Location: SHELL ROCK
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 250.00K
Reported by: Official NWS Observations

The Shell Rock River at Shell Rock crested at 15.44 feet on 22 September 2018 at 1715 UTC.

Flood in WEBSTER, IOWA
From 22-SEP-18 10:00:00 to 25-SEP-18 21:30:00 (CST-6)
Location: LANYON
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 250.00K
Reported by: Official NWS Observations

The Des Moines River at Stratford crested at 23.08 feet on 24 September 2018 at 1245 UTC.

Flood in WEBSTER, IOWA
From 21-SEP-18 03:15:00 to 23-SEP-18 22:00:00 (CST-6)
Location: ROBERTS
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 250.00K
Reported by: Official NWS Observations

The Des Moines River at Fort Dodge crested at 14.14 feet on 23 September 2018 at 1645 UTC.

Flood in HAMILTON, IOWA
From 23-SEP-18 04:00:00 to 23-SEP-18 22:30:00 (CST-6)
Location: STRATFORD
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 250.00K
Reported by: Official NWS Observations

The Boone River at Webster City crested at 14.40 feet on 23 September 2018 at 1800 UTC.

Flood in BLACK HAWK, IOWA
From 21-SEP-18 10:00:00 to 22-SEP-18 19:00:00 (CST-6)
Location: EVANSDALE
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 250.00K
Reported by: Official NWS Observations

Black Hawk Creek at Hudson crested at 14.28 feet on 22 September 2018 at 1100 UTC.

Flood in CERRO GORDO, IOWA
From 20-SEP-18 08:15:00 to 23-SEP-18 00:15:00 (CST-6)
Location: FREEMAN
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 250.00K
Reported by: Official NWS Observations

The Winnebago River at Mason City crested at 12.17 feet on 21 September 2018 at 0545 UTC.