Flood — Lake, South Dakota

2024-06-20 to 2024-06-23 · near Orland, Lake, South Dakota

Event narrative

Rainfall amounts across Lake County from June 20-22 ranged from 3 to 9 inches. Overland flooding ensued with the majority of road damage to areas south of South Dakota Highway 34 and west of South Dakota Highway 19. County wide, nine homes reported minor to major flood damage with the majority of the impacts being water or sewer backup into basements. Preliminary damage assessments estimate loss to public infrastructure across the county to be in excess of 750 thousand dollars.

Wider weather episode

A multi-day significant heavy rainfall event from June 20-22 resulted in widespread rain totals between 5 and 10 inches with pockets in excess of 15 inches across portions of southeast South Dakota, northwest Iowa, and southwest Minnesota. As rainfall reached area streams and rivers, major to record flooding was observed, devastating several towns and communities. Extensive overland flooding also resulted in significant impacts and damages. All river crest information is preliminary until made official by the gauge owner.

A Presidential Disaster Declaration was signed for Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison, Douglas, Gregory, Hanson, Hutchinson, Lake, Lincoln, McCook, Miner, Minnehaha, Moody, Sanborn, Turner, Union, and Yankton Counties.

View location on OpenStreetMap → (43.8499, -97.3681)

Source: NOAA Storm Events Database, event_id 1194974. Narrative written by the NWS forecast office that issued the report.