Enter any address in Niobrara County, Wyoming to see its FEMA flood zone
Niobrara County, Wyoming has recorded 5 flood-related events since 1996 according to NOAA's Storm Events Database, including 5 flash floods. The county has received 5 federal disaster declarations, 2 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1978–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms And Flooding | Flood | May 24, 2015 |
| Wy - Winter Storm 10/5/98 | Severe Ice Storm | Oct 5, 1998 |
| Severe Storms, Flooding & Mudslides | Flood | May 29, 1978 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jun 22, 2023 | 0.00K |
| Flash Flood | May 26, 2015 | 0.00K |
| Flash Flood | Jun 4, 2015 | 1.50M |
| Flash Flood | Jun 3, 2015 | 0.00K |
| Flash Flood | Aug 6, 2006 | 40K |
Flash Flood — Jun 22, 2023
Severe storms developed across the southeast Wyoming high plains the afternoon of 22 June 2023. Storms produced heavy rain resulting in flash flooding for parts of the plains and a tornado near Chugwater, Wyoming.
Flash Flood — May 26, 2015
Evening thunderstorms produced large hail and flash flooding over western Niobrara County in east central Wyoming.
Flash Flood — Jun 4, 2015
Thunderstorms across much of southeast Wyoming produced widespread large hail as well as some flash flooding from torrential rainfall. The worst flooding occurred during the predawn hours across southern Niobrara County from Manville to Lusk to Van Tassel.
Flash Flood — Jun 3, 2015
Evening and late night thunderstorms produced large hail and very heavy rain over portions of east central and southeast Wyoming. Flash flooding occurred in southern Niobrara County where four to eight inches of rain was observed.
Source: NOAA National Weather Service Storm Events Database.
FEMA assigns flood zone designations to areas in Niobrara County, Wyoming:
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 Niobrara County, Wyoming 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.