High water levels from April continued at the start of May 2019 for many locations along the Big Sioux and Little Sioux Rivers. For many locations, this started the third month of constant flooding.

Flood in LYON, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: GRANITE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Big Sioux River near Brandon (gage site BBSS2) remained in flood through the month. After an early month crest at 3.43 feet above flood stage on May 1, the river fell back to minor flood stage before late month rains pushed the river to a crest into moderate flood stage at 4.90 feet above flood stage on May 31. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. The river remained at moderate flood stage at the end of the month.

Flood in LYON, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: KLONDIKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Big Sioux River above Canton (gage site CBSS2) remained in flood through the month. While much of the month was mired in minor flooding, late month rains pushed the river to a crest into major flood stage at 5.55 feet above flood stage on May 30, the fifth highest stage on record. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. The river remained at moderate flood stage at the end of the month.

Flood in SIOUX, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: FAIRVIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Big Sioux River above Canton (gage site CBSS2) remained in flood through the month. While much of the month was mired in minor flooding, late month rains pushed the river to a crest into major flood stage at 5.55 feet above flood stage on May 30, the fifth highest stage on record. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. The river remained at moderate flood stage at the end of the month.

Flood in SIOUX, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: FAIRVIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Big Sioux River at Fairview (gage site FVWS2) remained in flood through the month other than a brief period from May 18-22.  Late month rains pushed the river to a crest at 5.91 feet above flood stage on May 30, the third highest stage on record. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. The river remained at minor flood stage at the end of the month.

Flood in PLYMOUTH, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: WESTFIELD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Big Sioux River near Richland (gage site BSRS2) remained in flood through the month. Late month rains pushed the river to a crest at 5.21 feet above flood stage on May 30. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. A few farm levees were overtopped on the South Dakota side with flooding of several outbuildings. The river remained at major flood stage at the end of the month.

Flood in DICKINSON, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: MONTGOMERY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Little Sioux River near Milford (gage site MIFI4) had an early month crest at 1.71 feet above flood stage on May 1, before falling below flood stage on May 14.  Late month rains pushed the river back over flood stage on May 24, reaching a crest in major flood stage of 4.28 feet above flood stage on May 31. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. Numerous county and township roads near the river were flooded. The river remained at major flood stage at the end of the month.

Flood in CLAY, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: FOSTORIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Little Sioux River near Milford (gage site MIFI4) had an early month crest at 1.71 feet above flood stage on May 1, before falling below flood stage on May 14.  Late month rains pushed the river back over flood stage on May 24, reaching a crest in major flood stage of 4.28 feet above flood stage on May 31. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. Numerous county and township roads near the river were flooded. The river remained at major flood stage at the end of the month.

Flood in BUENA VISTA, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: SIOUX RAPIDS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Little Sioux River at Linn Grove (gage site LNNI4) hovered near flood stage with an early month crest at 0.24 feet above flood stage on May 12, before falling below flood stage on May 16. Late month rains pushed the river back over flood stage on May 24, reaching a crest in moderate flood stage of 1.63 feet above flood stage on May 31. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. The river remained at moderate flood stage at the end of the month.

Flood in O'BRIEN, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: SUTHERLAND
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Little Sioux River at Linn Grove (gage site LNNI4) hovered near flood stage with an early month crest at 0.24 feet above flood stage on May 12, before falling below flood stage on May 16. Late month rains pushed the river back over flood stage on May 24, reaching a crest in moderate flood stage of 1.63 feet above flood stage on May 31. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. The river remained at moderate flood stage at the end of the month.

Flood in CLAY, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: SPENCER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Little Sioux River at Spencer (gage site SPWI4) had an early month crest at 1.40 feet above flood stage on May 2, before falling below flood stage on May 16. Late month rains pushed the river back over flood stage on May 23, reaching a crest in moderate flood stage of 4.02 feet above flood stage on May 30. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain.  The river remained at moderate flood stage at the end of the month.

Flood in CLAY, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: GREENVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Little Sioux River at Linn Grove (gage site LNNI4) hovered near flood stage with an early month crest at 0.24 feet above flood stage on May 12, before falling below flood stage on May 16. Late month rains pushed the river back over flood stage on May 24, reaching a crest in moderate flood stage of 1.63 feet above flood stage on May 31. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. The river remained at moderate flood stage at the end of the month.

Flood in SIOUX, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: LEBANON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Big Sioux River above Hawarden (gage site HWDI4) remained in flood through the month.  Late month rains pushed the river to a crest at 10.33 feet above flood stage on May 29, the third highest stage on record. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. County Road 13, Iowa Highway 10 and South Dakota Highway 46 were again subjected to closure at the end of the month. The river remained at major flood stage at the end of the month.

Flood in PLYMOUTH, IOWA
From 01-MAY-19 00:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: AKRON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

This is a continuation of flooding from April. The Big Sioux River at Akron (gage site AKRI4) remained in flood through the month. Late month rains pushed the river to a crest at 5.41 feet above flood stage on May 29. Significant agricultural flooding persisted, with no opportunity for spring planting throughout the flood plain. Several county and township roads returned to a flooded state at months end, with a brief closure of South Dakota Highway 48. The river remained at major flood stage at the end of the month.