Enter any address in Sevier County, Utah 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.
Sevier County, Utah has recorded 14 flood-related events since 1996 according to NOAA's Storm Events Database, including 12 flash floods and 2 river or area floods. The county has received 9 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1977–2025)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Monroe Canyon Fire | Fire | Jul 13, 2025 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Flooding | Flood | Apr 18, 2011 |
| Hurricane Katrina Evacuation | Coastal Storm | Aug 29, 2005 |
| Flooding And Landslides | Flood | Apr 28, 2005 |
| Severe Storms, Mudslides, Landslides & Flooding | Flood | Aug 17, 1984 |
| Severe Storms, Landslides & Flooding | Flood | Apr 13, 1983 |
| Drought | Drought | Jan 20, 1977 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 14, 2018 | 1.00M |
| Flash Flood | Aug 4, 2018 | 0.00K |
| Flash Flood | Jul 19, 2017 | 0.00K |
| Flood | May 23, 2011 | 100.00K |
| Flash Flood | Aug 3, 2011 | 0.00K |
| Flood | Jun 1, 2011 | 150.00K |
| Flash Flood | Aug 18, 2010 | 0.00K |
| Flash Flood | Aug 3, 2010 | 0.00K |
| Flash Flood | Aug 3, 2007 | 10.00K |
| Flash Flood | Aug 7, 2006 | — |
Flash Flood — Jul 14, 2018
Strong thunderstorms continued to produce flash flooding over central and southern Utah in mid-July. Some thunderstorms also produced some gusty winds over northwest Utah during the evening of July 16.
Flash Flood — Aug 4, 2018
Thunderstorms formed across Utah during the first few days of August, producing strong gusty winds over the northwest deserts of Utah and flash flooding over portions of southern Utah.
Flash Flood — Jul 19, 2017
Widespread thunderstorms developed across the state of Utah for several days in mid-July, producing both strong wind gusts and heavy rainfall.
Flood — May 23, 2011
Warm temperatures and fast snowmelt caused widespread river flooding across Utah through the end of May. Major rivers impacted included the Sevier River, the South Fork of the Ogden River, and much of the Weber River system. Note that this episode continued into June.
Flash Flood — Aug 3, 2011
Showers and thunderstorms continued to form in a moist airmass across the state of Utah in the first few days of August. The strongest of these storms produced primarily severe wind gusts and hail in northern Utah, while producing heavy rain and flash flooding in southern and eastern Utah.
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 Sevier County, Utah:
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 Sevier County, Utah 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.