Enter any address in Sheridan County, North Dakota to see its FEMA flood zone
1 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Sheridan County, North Dakota has recorded 2 flood-related events since 1996 according to NOAA's Storm Events Database, including 1 flash floods and 1 river or area floods. The county has received 22 federal disaster declarations, 10 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1969–2025)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storm, Tornadoes, And Straight-line Winds | Severe Storm | Jun 20, 2025 |
| Flooding | Flood | Apr 1, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Flooding | Flood | Oct 9, 2019 |
| Severe Storms And Flooding | Severe Storm | May 17, 2013 |
| Flooding | Flood | Feb 14, 2011 |
| Severe Winter Storm | Severe Storm | Apr 1, 2010 |
| Severe Storms And Flooding | Severe Storm | Mar 13, 2009 |
| Severe Winter Storm And Record And/or Near Record Snow | Snowstorm | Oct 4, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Sep 20, 2019 | 200.00K |
| Flood | Aug 12, 1999 | — |
Flash Flood — Sep 20, 2019
Thunderstorms developed mid-day along and ahead of a slowly advancing cold front over northwestern North Dakota in an unseasonably moist and unstable atmosphere. The storms then spread south and east through the day. Some of the storms became severe with an initial threat of large hail, though some strong wind gusts were occurring by late day. The largest reported hail was the size of baseballs...
Flood — Aug 12, 1999
Heavy rainfall of 3 to 6 inches were common throughout the three county area. Main flood problems wereflooded streets and underpasses in urban areas. In open country ditches filled rapidly overrunning countyroads.
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 Sheridan County, North 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 Sheridan County, North 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.