Enter any address in Charles Mix County, South Dakota to see its FEMA flood zone
Flood events, including flash floods, are a notable hazard in Charles Mix County. Over the past 30 years, NOAA Storm Events data recorded 51 flood events and 20 flash flood events. Recent examples include widespread heavy rainfall causing major river flooding in June 2024, and a slow-moving thunderstorm producing torrential rainfall and flash flooding in August 2024.
National Flood Insurance Program (NFIP) data indicates that claims have been filed in Zone X, with an average payout of $50,426 and an average water depth of 2.2 feet. Residents in areas prone to river overflow and those located in Zone X, which is generally considered to have a moderate flood risk, should pay close attention to flood advisories and consider flood insurance.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
18 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Charles Mix County, South Dakota has recorded 71 flood-related events since 1996 according to NOAA's Storm Events Database, including 20 flash floods and 51 river or area floods. The county has received 17 federal disaster declarations, 8 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1976–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms, Straight-line Winds, And Flooding | Flood | Jun 16, 2024 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Tornadoes, And Flooding | Severe Storm | Sep 9, 2019 |
| Severe Winter Storm, Snowstorm, And Flooding | Flood | Mar 13, 2019 |
| Flooding | Flood | Mar 11, 2011 |
| Flooding | Flood | Mar 10, 2010 |
| Severe Storms And Flooding | Severe Storm | Jun 2, 2008 |
| Severe Winter Storm | Severe Storm | Nov 27, 2005 |
| Hurricane Katrina Evacuation | Coastal Storm | Sep 6, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Aug 25, 2024 | 0.00K |
| Flood | Jun 20, 2024 | 3.00M |
| Flood | Jan 21, 2020 | 0.00K |
| Flood | Jan 18, 2020 | 0.00K |
| Flash Flood | Jun 9, 2020 | 5.00K |
| Flash Flood | Jun 8, 2020 | 2.00K |
| Flash Flood | Jun 8, 2020 | 50.00K |
| Flood | Aug 31, 2019 | 10.00K |
| Flood | Aug 31, 2019 | 5.00K |
| Flood | Aug 31, 2019 | 25.00K |
Flash Flood — Aug 25, 2024
The thermal cap diurnally weakened along a weak surface trough from north central Nebraska into central South Dakota by very late afternoon, which allowed an isolated strong to severe thunderstorm to develop. The storm tracked slowly eastward through the early evening. Very large hail occurred early in the life cycle, with a transition toward damaging wind and torrential rainfall as it shifted ...
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...
Flood — Jan 21, 2020
Ice action on the Missouri River below Fort Randall Dam produced some minor to moderate flooding.
Flood — Jan 18, 2020
Ice action on the Missouri River below Fort Randall Dam produced some minor to moderate flooding.
Flash Flood — Jun 9, 2020
Strong frontal forcing resulted in the redevelopment of elevated thunderstorms during the very early morning to the west of the band from the previous evening. Storms quickly became linear with the development of a couple of mesovortices, which were the focus of damaging winds while tracking northeast along the line. Heavy training rainfall brought areas of flooding.
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 Charles Mix 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 Charles Mix 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.