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Flash Flood — Stanley, SD

Jun 27, 2018

A cold front moving in from the west brought severe weather to parts of central and north central South Dakota. Large hail up to golf ball size, damaging winds to 70 mph, along with flash flooding occurred during the morning hours. The big story was a long track destructive hailstorm and severe winds that started in southeast Dewey county and moved southeast through western Sully county and through Hughes County. The hail swath was nearly continuous and was from 2 to 5 miles wide and for nearly

Source: NOAA National Weather Service Storm Events Database (event 770867). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Stanley, SD

This event is one of many recorded floods in Stanley County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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More Flood Stories

Flood

Stanley, SD · Sep 18, 2025

Moderate to heavy rainfall occurred across a broad portion of Stanley and Dewey counties. The COOP observer 3 miles west southwest of Wendt would record a 2 day total of 4.94 while the CoCoRaHS observer in Fort Pierre received 4.06 over 3 days.

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Flood

Stanley, SD · Sep 18, 2025

Moderate to heavy rainfall occurred across a broad portion of Stanley and Dewey counties. The COOP observer 3 miles west southwest of Wendt would record a 2 day total of 4.94 while the CoCoRaHS observer in Fort Pierre received 4.06 over 3 days.

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Flash Flood

Stanley, SD · Aug 21, 2024

Widespread, slow moving thunderstorms brought hail, gusty wnds and heavy rain to portions of central South Dakota on the afternoon and evening of August 21st. Hail to the size of tennis balls was observed by a trained spotter 4 miles northwest of Murdo.

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Flash Flood$30K damage

Stanley, SD · Jun 2, 2008

Several supercell thunderstorms rolled southeast from northwest South Dakota into central South Dakota bringing large hail, damaging winds, and flash flooding during the late afternoon and evening hours.

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