A widespread rainfall of 2 to 4 inches between May 21 and May 27 led to significant rises on most rivers, worsening of flooding in existing flooded area, and expansion of flooding to more areas.

Flood in BRULE, SOUTH DAKOTA
From 24-MAY-19 06:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: CHAMBERLAIN
Flood cause: Planned Dam Release
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Increased releases from upstream dams along with heavy rainfall produced major flooding on the Missouri River at Chamberlain (gage site CBLS2).  Several recreational boat ramps were flooded along with the American Creek Recreational Area as the river reached the third highest crest on record (5.87 feet above flood stage) on May 31.  The river remained in major flood stage at the end of the month.

Flood in CHARLES MIX, SOUTH DAKOTA
From 29-MAY-19 04:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: PICKSTOWN
Flood cause: Planned Dam Release
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Increased releases from upstream Fort Randall Dam along with heavy rainfall over the preceding week produced minor flooding on the Missouri River near Greenwood (gage site GRWS2). Agricultural areas near the river were subjected to flooding as the river rose to 0.08 feet above flood stage on May 31. The river remained in minor flood stage at the end of the month.

Flood in CHARLES MIX, SOUTH DAKOTA
From 29-MAY-19 05:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: GREENWOOD
Flood cause: Planned Dam Release
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Increased releases from upstream Fort Randall Dam along with heavy rainfall over the preceding week produced minor flooding on the Missouri River near Verdel (gage site MRVN1). A few recreational homes were subjected to flooding as the river rose to 0.75 feet above flood stage on May 30.  The river remained in minor flood stage at the end of the month.

Flood in BON HOMME, SOUTH DAKOTA
From 29-MAY-19 05:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: PERKINS
Flood cause: Planned Dam Release
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Increased releases from upstream Fort Randall Dam along with heavy rainfall over the preceding week produced minor flooding on the Missouri River near Verdel (gage site MRVN1). A few recreational homes were subjected to flooding as the river rose to 0.75 feet above flood stage on May 30.  The river remained in minor flood stage at the end of the month.

Flood in MINNEHAHA, SOUTH DAKOTA
From 27-MAY-19 18:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: SHERMAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Split Rock Creek below Jasper (gage site JSPM5) reached a peak of 1.31 feet above flood stage at the end of the month. The main impacts were inundation of agricultural land and additional delays to spring planting in the flood plain.  The low water crossing on 250th Street along the Minnesota-South Dakota border was flooded. Minor flooding continued at the end of the month.

Flood in MINNEHAHA, SOUTH DAKOTA
From 27-MAY-19 22:00:00 to 31-MAY-19 08:00:00 (CST-6)
Location: SOUTH SIOUX FALLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Big Sioux River at Sioux Falls Western Avenue (gage site WAVS2) reached a crest of 1.49 feet above flood stage on May 29. The main impacts occurred as flood waters returned to greenway parks along the reach of the river through Sioux Falls.

Flood in LINCOLN, SOUTH DAKOTA
From 27-MAY-19 22:00:00 to 31-MAY-19 08:00:00 (CST-6)
Location: SIOUX FALLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Big Sioux River at Sioux Falls Western Avenue (gage site WAVS2) reached a crest of 1.49 feet above flood stage on May 29. The main impacts occurred as flood waters returned to greenway parks along the reach of the river through Sioux Falls.

Flood in MOODY, SOUTH DAKOTA
From 28-MAY-19 00:30:00 to 28-MAY-19 05:00:00 (CST-6)
Location: FLANDREAU
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Flandreau Creek near Flandreau (gage site FCRS2) reached a crest of 0.20 feet above flood stage on May 28. The main impact was inundation of agricultural land and additional delays to spring planting in the flood plain.

Flood in UNION, SOUTH DAKOTA
From 28-MAY-19 15:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: ELK PT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Big Sioux River near Jefferson (gage site BSJS2) reached a crest of 5.49 feet above flood stage on May 30.  The main impact was inundation of agricultural land, which further delayed the spring planting. Minor flooding continued at the end of the month.

Flood in MINNEHAHA, SOUTH DAKOTA
From 29-MAY-19 05:00:00 to 30-MAY-19 21:00:00 (CST-6)
Location: LYONS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Skunk Creek near Hartford (gage site HTFS2) reached a crest of 0.24 feet above flood stage on May 30.  The main impact was inundation of agricultural land, which further delayed the spring planting.

Flood in UNION, SOUTH DAKOTA
From 29-MAY-19 06:00:00 to 30-MAY-19 07:00:00 (CST-6)
Location: SPINK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Brule Creek near Richland (gage site BCKS2) reached a crest of 0.89 feet above flood stage on May 29.  The main impact was inundation of agricultural land which further delayed the spring planting.