Sevier County, Utah
County storm and disaster record · FIPS 49041 · population 21,466 · 1,910 sq mi
NOAA's Storm Events Database holds 395 records for Sevier County, Utah from 1950 through June 30, 2026, on 340 days; the most frequent are winter storm records (262 records). 334 of them are forecast-zone records, which the National Weather Service files once per zone: a county covered by several zones receives each one, so a single storm can add several records on the same day. The deadliest single record is the January 8, 2005 avalanche, filed for the forecast zone X Nw Kane/Xs Xe Iron/N W Washington/Nw Wc Garfield/Piute/W Wayne/Sevier T C/X E Millard/S Sanpete T Sc/X Se Juab/P X Nw Emery/X E Beaver, which covers the county: 2 deaths. FEMA has issued 9 declarations naming the county since 1977, 7 of them for natural hazards; the latest for a natural hazard was “Monroe Canyon Fire” on July 16, 2025.
The record, 1950 to 2026
Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).
- recorded, no damage figure
- under $100,000
- $100,000 or more
- $1 million or more
- $10 million or more, or a death
- $100 million or more, or 10 deaths
- a year's colour: its recorded damage or deaths
- a year with a death
- 1955: wind and hail recorded from 1955
- 1996: all 48 event types from 1996
- Storm records
- 395on 340 days, 1950 to June 30, 2026
- Deaths recorded
- 1250 injuries
- Damage, 2025 dollars
- $6.9Mas filed (scale steps before 1993)
- Tornadoes
- 2strongest F1
- FEMA declarations
- 9latest 2025
Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.
What hazards hit Sevier County most?
The most frequent records are winter storm records: 262 since 1996. 41% of its winter storm records since 1996 fell in December and January. The rank column places the county among Utah's counties by days with a record per 1,000 square miles of land over each hazard's complete period.
| Hazard | Records | Days | First, last | Killed | Injured | Damage | Rank in state |
|---|---|---|---|---|---|---|---|
| Winter storms | 262 | 227 | 1996-2026 | 2 | 29 | $346K | 15 of 29 |
| High wind and dust storms | 53 | 45 | 1996-2025 | 0 | 12 | $3.8M | 18 of 29 |
| Severe thunderstorm wind | 31 | 28 | 1987-2026 | 0 | 0 | $29K | 13 of 29 |
| Floods | 21 | 20 | 1996-2026 | 0 | 0 | $1.6M | 17 of 29 |
| Hail | 8 | 6 | 1983-2001 | 0 | 0 | – | 21 of 29 |
| Landslides and avalanches | 8 | 8 | 1999-2014 | 9 | 2 | – | 14 of 29 |
| Wildfires | 4 | 4 | 1997-2015 | 1 | 4 | $867K | 19 of 29 |
| Extreme cold | 3 | 2 | 1998-2005 | 0 | 0 | – | 16 of 29 |
| Lightning | 2 | 2 | 2005-2008 | 0 | 2 | – | 11 of 29 |
| Tornadoes | 2 | 2 | 1957-1970 | 0 | 1 | $265K | 20 of 29 |
| Heavy rain | 1 | 1 | 2021-2021 | 0 | 0 | – | 22 of 29 |
Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.
How many tornadoes has Sevier County had?
NOAA records 2 tornadoes in Sevier County from 1957 to 1970, the strongest rated F1, with 0 deaths and 1 injury recorded in the county. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.
Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 2 tornadoes whose track touched Sevier County since 1950 (NOAA's county records number 2, the same count); along their whole tracks they killed 0 people.
Map of the strongest tornado tracks in Utah.
Every tornado record filed for Sevier County (2)
| Date | Place | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 1970-04-19 | Sevier County | F1 1.5 mi x 50 yd | 0 | 1 | $250 step |
| 1957-08-07 | Sevier County | 0 | 0 | $25K step |
A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.
Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.
When was the last damaging storm in Sevier County?
The most recent record with damage, injuries or deaths is the February 17, 2026 winter storm ($70,000 in damage in 2025 dollars).
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2026-06-25 | Flash FloodMonroe, Sevier County | 0 | 0 | – | |
| 2026-06-25 | Flash FloodMonroe, Sevier County | 0 | 0 | – | |
| 2026-05-29 | Thunderstorm WindAurora, Sevier County | 51 kt wind | 0 | 0 | – |
| 2026-05-13 | Thunderstorm WindAnnabella, Sevier County | 50 kt wind | 0 | 0 | – |
| 2026-02-18 | Winter WeatherSevier County · forecast zone Sevier Valley | 0 | 0 | – | |
| 2026-02-18 | Winter WeatherEmery County and 4 more · forecast zone Central Mountains | 0 | 0 | – | |
| 2026-02-17 | Winter StormEmery County and 4 more · forecast zone Central Mountains | 0 | 0 | $70K | |
| 2025-10-09 | Thunderstorm WindRichfield, Sevier County | 53 kt wind | 0 | 0 | – |
| 2025-07-01 | Thunderstorm WindAnnabella, Sevier County | 51 kt wind | 0 | 0 | – |
| 2025-06-30 | Strong WindGarfield County and 2 more · forecast zone Upper Sevier River Valleys | 43 kt wind | 0 | 0 | $500 |
| 2025-03-18 | High WindCarbon County and 2 more · forecast zone Castle Country | 63 kt wind | 0 | 0 | $25K |
| 2025-03-05 | Heavy SnowEmery County and 4 more · forecast zone Central Mountains | 0 | 0 | – |
Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.
The deadliest and costliest records
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2005-01-08 | AvalancheBeaver County and 9 more · forecast zone X Nw Kane/Xs Xe Iron/N W Washington/Nw Wc Garfield/Piute/W Wayne/Sevier T C/X E Millard/S Sanpete T Sc/X Se Juab/P X Nw Emery/X E Beaver A stalled storm system just off the southern California coast was able to tap abundant tropical moisture from the central Equatorial Pacific Ocean and dump copious amounts of rain and wet snow on many portions of Utah. The relatively warm air ahead of the storm raised snow levels and rain fell on an already deep ... | 2 | 0 | – | |
| 2003-12-28 | Winter StormBeaver County and 9 more · forecast zone Central And Southwest Mountains Another potent winter storm hit much of Utah, with the northern part of the state the hardest hit. Weather was believed to be the main factor in 2 traffic fatalities. Several hundred minor accidents and fender benders occurred up and down the Wasatch Front, with no major injuries reported. Strong south winds ahead of ... | 2 | 0 | – | |
| 1999-01-02 | AvalancheJuab County and 3 more · forecast zone Sanpete/Sevier Valleys Two teenagers from Mapleton were killed when they triggered an avalanche in Fairview Canyon, 12 miles southeast of Fairview in San Pete County. The boys, ages 16 and 17, ventured out onto a snow cornice which collapsed, sweeping the pair 150 feet down the mountain. Their bodies were discovered the next afternoon, ... | 2 | 0 | – | |
| 2011-03-26 | AvalancheEmery County and 3 more · forecast zone Central Mountains A group of very experienced backcountry skiers went to explore Big Horseshoe Bowl, an area near Ephraim, Utah, on the morning of March 26th. They had read the avalanche forecast, which had an overall hazard of Moderate with pockets of Considerable, so they were being careful, testing different slopes for avalanche ... | 1 | 2 | – | |
| 2014-02-09 | AvalancheEmery County and 3 more · forecast zone Central Mountains A group of four snowmobilers were recreating near the Left Fork Huntington Creek when one of them became stuck. Another person, a 36-year-old male, circled uphill to come help; he triggered an avalanche that buried him but did not catch the stuck snowmobilers. The other snowmobilers began rescue efforts immediately, ... | 1 | 0 | – | |
| 2013-03-01 | AvalancheEmery County and 3 more · forecast zone Central Mountains A group of snowmobilers were recreating on the southern end of the Manti Skyline, just east out of 12 Mile Canyon, in Sevier County. For part of the afternoon, most of the group members were riding independently; however, around 4:00 pm, the group realized one of the members was missing. They had neither heard nor ... | 1 | 0 | – | |
| 2012-02-05 | AvalancheEmery County and 3 more · forecast zone Central Mountains Four snowmobilers were finishing up a day of riding west of Lost Creek Reservoir. They were well aware of the avalanche danger, and as such, had avoided climbing any hills through the day. However, wanting to get back home quicker, they cut across one of the hills, and an avalanche was triggered. One rider was quickly ... | 1 | 0 | – | |
| 2007-02-17 | AvalancheBeaver County and 9 more · forecast zone Central And Southwest Mountains Human triggered avalanche on Signal Peak claimed the life of a snowmobiler. | 1 | 0 | – |
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2002-04-15 | High WindBeaver County and 9 more · forecast zone X Nw Kane/Xs Xe Iron/N W Washington/Nw Wc Garfield/Piute/W Wayne/Sevier T C/X E Millard/S Sanpete T Sc/X Se Juab/P X Nw Emery/X E Beaver | 75 kt wind | 0 | 10 | $3.4M |
| 2018-07-14 | Flash FloodRichfield, Sevier County | 0 | 0 | $1.2M | |
| 2015-04-14 | WildfireEmery County and 3 more · forecast zone Central Mountains | 0 | 0 | $436K | |
| 2012-07-01 | WildfireEmery County and 3 more · forecast zone Central Mountains | 0 | 2 | $321K | |
| 1997-09-25 | High WindBeaver County and 9 more · forecast zone X Nw Kane/Xs Xe Iron/N W Washington/Nw Wc Garfield/Piute/W Wayne/Sevier T C/X E Millard/S Sanpete T Sc/X Se Juab/P X Nw Emery/X E Beaver | 0 | 1 | $184K | |
| 1998-12-19 | Winter StormBeaver County and 9 more · forecast zone Central And Southwest Mountains | 0 | 10 | $181K | |
| 1997-07-15 | WildfireMonroe, Sevier County | 1 | 0 | $110K | |
| 2010-05-28 | High WindJuab County and 3 more · forecast zone Sanpete/Sevier Valleys | 52 kt wind | 0 | 1 | $108K |
Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $25K, in the dollars of the day) holds: August 7, 1957 (tornado, Sevier County).
Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.
Is it getting more frequent?
Records per decade for Sevier County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).
| Hazard | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020-26 |
|---|---|---|---|---|---|---|---|---|
| Winter storms | – | – | – | – | 77 | 95 | 55 | 35 |
| High wind and dust storms | – | – | – | – | 6 | 14 | 25 | 8 |
| Severe thunderstorm wind | 0 | 0 | 0 | 1 | 1 | 5 | 7 | 17 |
| Floods | – | – | – | – | 3 | 8 | 8 | 2 |
Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).
What time of year?
41% of its winter storm records since 1996 fell in December and January. The two busiest months are in violet.
The values, month by month
Jan 62 · Feb 47 · Mar 52 · Apr 43 · May 19 · Jun 23 · Jul 19 · Aug 13 · Sep 7 · Oct 18 · Nov 33 · Dec 59 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began.
Federal disaster declarations for Sevier County
FEMA's register lists 9 declarations that include Sevier County: 5 major disasters, 3 emergencies and one fire management assistance declaration. Most were for flood (4) and biological (2).
| Declared | Number | Type | Title |
|---|---|---|---|
| 2025-07-16 | FM-5600 | Fire | Monroe Canyon Fire |
| 2020-04-04 | DR-4525 | Biological | Covid-19 Pandemic |
| 2020-03-13 | EM-3478 | Biological | Covid-19 |
| 2011-08-08 | DR-4011 | Flood | Flooding |
| 2005-09-05 | EM-3223 | Coastal Storm | Hurricane Katrina Evacuation |
| 2005-08-01 | DR-1598 | Flood | Flooding and Landslides |
| 1984-08-17 | DR-720 | Flood | Severe Storms, Mudslides, Landslides & Flooding |
| 1983-04-30 | DR-680 | Flood | Severe Storms, Landslides & Flooding |
| 1977-01-20 | EM-3024 | Drought | Drought |
Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.
How many floods has Sevier County had?
NOAA's Storm Events Database holds 21 flood or flash flood records for Sevier County from 1996 to 2026, on 20 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Sevier County ranks 2212th of 2,942 U.S. counties.
The National Flood Insurance Program has paid $36,000 on 15 claims filed in Sevier County; the most in one year was 9 in 1983. Claims count insured losses only: uninsured flood damage is not in this file.
The values, year by year
1978: 1 · 1980: 1 · 1982: 1 · 1983: 9 · 1984: 1 · 2023: 1 · 2024: 1; the other years: 0.
Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.
FEMA's modeled risk for Sevier County
FEMA's National Risk Index rates Sevier County Very Low overall, with an expected annual loss of $10.1 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.
| Hazard | Risk rating | Expected annual loss | Modeled frequency |
|---|---|---|---|
| Avalanche | Relatively Moderate | $691K | once in about 6 years (modeled) |
| Lightning | Relatively Moderate | $657K | 45 a year (modeled) |
| Winter Weather | Relatively Moderate | $164K | 30 a year (modeled) |
| Earthquake | Relatively Low | $4.2M | once in about 62 years (modeled) |
| Landslide | Relatively Low | $20K | 2.5 a year (modeled) |
| Wildfire | Relatively Low | $452K | once in about 465 years (modeled) |
| Drought | Relatively Low | $229K | 84 modeled event-days a year |
| Volcanic Activity | Very Low | $10 | once in about 5,000 years (modeled) |
Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.
Counties that share a border with Sevier County
Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.
Next
- Tornadoes in UtahEvery Utah tornado since 1950 and the counties with the most per square mile
- Winter storms in UtahThe state's winter storm records, by county, year and month
- The Utah recordEvery hazard in the state, its deadliest events and its federal declarations
- FEMA's risk rating for each hazard in Sevier CountyThe hazard risk calculator: 18 hazards beside the county's record
- Download Sevier County's FEMA declarations (CSV)9 rows: every declaration that named the county, for your own analysis