5 flood insurance claims·$139,900 paid·10 federal flood & hurricane disasters
Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.
Shaded areas are FEMA’s mapped flood hazard zones in and around Sheridan County, North Dakota. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.
In flood insurance claims here that reported a flood depth, the average was 59 inches.
Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.
Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.
1 NOAA storm reports from Sheridan County describe what happened, in the words of the forecasters who covered it. Read the North Dakota flood stories →
22 federal disaster declarations since 1969, 10 of them floods, coastal storms or hurricanes.
| Disaster | Began |
|---|---|
| Severe Storm, Tornadoes, And Straight-line Winds | Jun 20, 2025 |
| Flooding | Apr 1, 2020 |
| Flooding | Oct 9, 2019 |
| Severe Storms And Flooding | May 17, 2013 |
| Flooding | Feb 14, 2011 |
| Severe Winter Storm | Apr 1, 2010 |
| Severe Storms And Flooding | Mar 13, 2009 |
| Severe Winter Storm And Record And/or Near Record Snow | Oct 4, 2005 |
Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.
2 since 1996: 1 flash floods and 1 river or area floods.
| Event | Date | Damage |
|---|---|---|
| Flash Flood | Sep 20, 2019 | $200,000 |
| Flood | Aug 12, 1999 | — |
— = no damage estimate in the record. Source: NOAA Storm Events Database.
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, which fell in Ward…
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.
National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.
Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.
If a building in Sheridan County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.
Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.