Enter any address in Turner County, South Dakota to see its FEMA flood zone
River overflow and widespread overland flooding are the dominant flood types in Turner County, South Dakota. Between 2004 and 2024, NOAA Storm Events data recorded 60 flood events and 7 flash flood events. Recent significant rainfall in June 2024 resulted in major to record river flooding and extensive overland flooding across the region, with some areas receiving over 15 inches of rain.
National Flood Insurance Program (NFIP) claims data shows that properties designated as Zone A have experienced the most claims, with an average payout of $43,140 and an average water depth of 1.0 foot. While Zone X_Unshaded properties have had fewer claims, they still incurred an average payout of $197. Residents in Zone A, particularly those near rivers and streams, should pay the most attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
20 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Turner County, South Dakota has recorded 67 flood-related events since 1996 according to NOAA's Storm Events Database, including 7 flash floods and 60 river or area floods. The county has received 26 federal disaster declarations, 12 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1969–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms, Straight-line Winds, And Flooding | Flood | Jun 16, 2024 |
| Severe Storm, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | May 12, 2022 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Tornadoes, And Flooding | Severe Storm | Sep 9, 2019 |
| Severe Storms And Flooding | Flood | May 21, 2019 |
| Severe Winter Storm, Snowstorm, And Flooding | Flood | Mar 13, 2019 |
| Severe Storms, Tornadoes, And Flooding | Flood | Jun 13, 2014 |
| Severe Winter Storm And Snowstorm | Severe Storm | Apr 8, 2013 |
| Severe Storms And Flooding | Severe Storm | Jul 21, 2010 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Jun 21, 2024 | 0.00K |
| Flood | Jun 20, 2024 | 0.00K |
| Flood | Jun 20, 2024 | 5.00M |
| Flash Flood | Jun 20, 2024 | 0.00K |
| Flood | Mar 7, 2020 | 0.00K |
| Flood | Mar 4, 2020 | 0.00K |
| Flood | Apr 1, 2020 | 0.00K |
| Flood | May 29, 2019 | 0.00K |
| Flood | May 25, 2019 | 0.00K |
| Flood | May 23, 2019 | 0.00K |
Flood — Jun 21, 2024
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 al...
Flood — Jun 20, 2024
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 al...
Flash Flood — Jun 20, 2024
Clusters of thunderstorms with very high rainfall rates from 2 to 4 inches per hour developed by midday on June 20, and despite being transient, continued to redevelop through the evening and into the overnight hours. The primary focus occurred along Highway 18 in the afternoon southwest and south of Sioux Falls, then along Interstate 90 during the evening, and settled again to along the Highw...
Flood — Mar 7, 2020
With one to four inches of liquid residing in the snowpack near and north of Interstate 90 at the start of the month, a more or less ideal melting of the winter snowpack in early March produced minor flooding along middle portions of the Vermillion River Basin.
Flood — Mar 4, 2020
With one to four inches of liquid residing in the snowpack near and north of Interstate 90 at the start of the month, a more or less ideal melting of the winter snowpack in early March produced minor flooding along middle portions of the Vermillion River Basin.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Turner County, South Dakota:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Turner County, South Dakota that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.