Several days of heavy rain, along with major to record flooding the previous week, led to more flooding across portions of the western South Dakota plains and foothills of the Black Hills. The period of wet weather culminated with heavy rain and thunderstorms over the Rapid City area during the afternoon and evening of May 31, which led to widespread flooded roads.

Flood in OGLALA LAKOTA, SOUTH DAKOTA
From 28-MAY-19 04:00:00 to 31-MAY-19 23:59:00 (MST-7)
Location: SLIM BUTTE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from heavy rain over northwestern Nebraska caused minor to moderate flooding of the White River from the Nebraska state line to the Badlands.

Flood in MELLETTE, SOUTH DAKOTA
From 27-MAY-19 20:45:00 to 28-MAY-19 18:45:00 (CST-6)
Location: WHITE RIVER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Minor flooding of agricultural land occurred along the White River around the US Highway 83 bridge north of the town of White River. The river crested just over flood stage (14 feet) at 14.92 feet on May 28, with a peak flow around 18,100 cfs.

Flood in TRIPP, SOUTH DAKOTA
From 27-MAY-19 09:00:00 to 31-MAY-19 23:59:00 (CST-6)
Location: HAMILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Minor flooding of agricultural land occurred along the White River around the SD Highway 47 bridge south of Reliance. The river crested a few feet over flood stage (15 feet) at 19.0 feet on May 29, with a peak flow around 30,600 cfs.

Flood in ZIEBACH, SOUTH DAKOTA
From 29-MAY-19 03:15:00 to 31-MAY-19 02:00:00 (MST-7)
Location: BRIDGER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Releases from Angostura Dam, combined with runoff from heavy rain, caused moderate flooding of agricultural land along the Cheyenne River. The river crested over flood stage (14 feet) at 19.86 feet on May 30, with a peak flow around 34,100 cfs.

Flood in HAAKON, SOUTH DAKOTA
From 29-MAY-19 03:15:00 to 31-MAY-19 02:00:00 (MST-7)
Location: MILESVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Releases from Angostura Dam, combined with runoff from heavy rain, caused moderate flooding of agricultural land along the Cheyenne River. The river crested over flood stage (14 feet) at 19.86 feet on May 30, with a peak flow around 34,100 cfs.

Flash Flood in MEADE, SOUTH DAKOTA
From 31-MAY-19 18:00:00 to 31-MAY-19 20:00:00 (MST-7)
Location: STURGIS
Flood cause: Heavy Rain
Property damage: 300.00K
Crop damage: 0.00K
Reported by: Local Official

Runoff from heavy rain on saturated ground caused flash flooding in the Sturgis, Fort Meade, and Pleasant Valley areas for the second time in a week. Several roads across Bear Butte Creek were covered with water or were washed out; including 7th Street, 9th Street, 15th Street, Raccoon Road, Sly Street, and SD Highway 34, Fort Meade Way, and Pleasant Valley Drive.

Flood in PENNINGTON, SOUTH DAKOTA
From 28-MAY-19 04:00:00 to 31-MAY-19 04:00:00 (MST-7)
Location: HILL CITY
Flood cause: Heavy Rain
Property damage: 750.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from heavy rain flooded creeks and inundated roads. Water covered part of Winter Street/US Highway 16A in Keystone. Water was reported over Old Hill City Road near Keystone, Grizzly Gulch Road, Mountain Park Road, Spring Creek Road, Lower Spring Creek Road, Rockwood Road, South Valley Drive, Orchard Lane, Reservoir Road, Green Valley Drive, Lamb Road, Anderson Road, Antelope Creek Road three miles south of SD Highway 44, Neva Way, 143rd Avenue, 156th Street south of highway 14-16, and 159th Street.

Flood in CUSTER, SOUTH DAKOTA
From 28-MAY-19 11:00:00 to 30-MAY-19 22:00:00 (MST-7)
Location: BUFFALO GAP
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from heavy rain flooded creeks and inundated roads. Flooding was reported on US Highway 16A near the Coolidge General Store and the Wildlife Loop Road in Custer State Park. Battle Creek covered several roads west of Hermosa. Spring Creek covered portions of Lower Spring Creek Road east of Hermosa. Cottonwood Creek overtopped Cottonwood Cutoff Road east of Buffalo Gap.

Flash Flood in PENNINGTON, SOUTH DAKOTA
From 31-MAY-19 17:15:00 to 31-MAY-19 20:15:00 (MST-7)
Location: RAPID CITY
Flood cause: Heavy Rain
Property damage: 150.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Runoff from heavy rain on already saturated ground caused flash flooding on the north and east sides of Rapid City. At least three people had to be rescued after driving into flood waters, including one where a culvert washed out on Nike Road just east of Haines Avenue and north of Country Road.

Flood in PENNINGTON, SOUTH DAKOTA
From 31-MAY-19 20:15:00 to 31-MAY-19 23:59:00 (MST-7)
Location: RAPID CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

As the flash flooding ended, flooding continued on Box Elder Creek north of Rapid City to Box Elder. Water flooded portions of County Road, north Elk Vale Road, Radar Hill Road, south Ellsworth Road south of Highway 14-16, and Line Road. Evacuations occurred on Line Road as water surrounded several mobile homes.

Flood in MEADE, SOUTH DAKOTA
From 31-MAY-19 20:15:00 to 31-MAY-19 23:59:00 (MST-7)
Location: BLACK HAWK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

As the flash flooding ended, flooding continued on Box Elder Creek north of Rapid City. Water covered Peaceful Pines Road near Erickson Ranch Road, portions of Country Road, parts of Dyess Avenue, and north Elk Vale Road.

Flood in JACKSON, SOUTH DAKOTA
From 27-MAY-19 05:55:00 to 29-MAY-19 23:25:00 (MST-7)
Location: INTERIOR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Minor flooding of agricultural land occurred along the White River south of Kadoka. The river crested at 14.25 feet (flood stage of 13 feet) on May 29.