Millard County, Utah
County storm and disaster record · FIPS 49027 · population 12,968 · 6,785 sq mi
NOAA's Storm Events Database holds 565 records for Millard County, Utah from 1950 through June 30, 2026, on 421 days; the most frequent are winter storm records (340 records). 487 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 July 25, 2021 dust storm, filed for the forecast zone Eastern Juab/Millard Counties, which covers the county: 8 deaths, 10 injuries and $327,000 in damage in 2025 dollars. FEMA has issued 11 declarations naming the county since 1977, 9 of them for natural hazards; the latest for a natural hazard was “Widemouth 2 Fire” on August 2, 2026.
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
- 565on 421 days, 1950 to June 30, 2026
- Deaths recorded
- 2176 injuries
- Damage, 2025 dollars
- $7.0Mas filed (scale steps before 1993)
- Tornadoes
- 2strongest F0
- FEMA declarations
- 11latest 2026
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 Millard County most?
The most frequent records are winter storm records: 340 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 | 340 | 251 | 1996-2026 | 4 | 47 | $554K | 28 of 29 |
| High wind and dust storms | 122 | 96 | 1996-2026 | 8 | 23 | $4.1M | 20 of 29 |
| Severe thunderstorm wind | 55 | 44 | 1968-2026 | 0 | 0 | $85K | 22 of 29 |
| Floods | 15 | 15 | 1998-2024 | 0 | 0 | $1.3M | 27 of 29 |
| Landslides and avalanches | 11 | 11 | 1999-2023 | 9 | 2 | $969 | 24 of 29 |
| Wildfires | 7 | 5 | 2012-2026 | 0 | 4 | $757K | 27 of 29 |
| Hail | 6 | 6 | 1990-2021 | 0 | 0 | – | 29 of 29 |
| Extreme cold | 5 | 3 | 1998-2007 | 0 | 0 | $142K | 25 of 29 |
| Fog, smoke and funnel clouds | 2 | 2 | 1998-2024 | 0 | 0 | – | 19 of 29 |
| Tornadoes | 2 | 2 | 1989-1996 | 0 | 0 | $71 | 26 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 Millard County had?
NOAA records 2 tornadoes in Millard County from 1989 to 1996, the strongest rated F0, with 0 deaths and 0 injuries 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 Millard 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 Millard County (2)
| Date | Place | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 1996-05-28 | Delta, Millard County | F0 0.2 mi x 20 yd | 0 | 0 | – |
| 1989-06-07 | Millard County | F0 0.2 mi x 10 yd | 0 | 0 | $30 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 Millard County?
The most recent record with damage, injuries or deaths is the April 1, 2026 strong wind (1 injury).
A strong wind gust associated with a passing cold front resulted in a semi truck blow over on I-15, which resulted in another car being pinned. Wind speeds were estimated using nearby stations, generally ranging from 35-55mph at the time of occurrence. The truck driver was reported to have sustained minor injuries.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1335362)
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2026-06-26 | WildfireJuab County and Millard County · forecast zone Eastern Juab/Millard Counties | 0 | 0 | – | |
| 2026-06-26 | WildfireJuab County and Millard County · forecast zone Western Juab/Millard Counties | 0 | 0 | – | |
| 2026-06-26 | WildfireJuab County and Millard County · forecast zone Western Juab/Millard Counties | 0 | 0 | – | |
| 2026-06-25 | Thunderstorm WindFillmore Airport, Millard County | 50 kt wind | 0 | 0 | – |
| 2026-06-24 | Thunderstorm WindPumice, Millard County | 54 kt wind | 0 | 0 | – |
| 2026-06-19 | WildfireJuab County and Millard County · forecast zone Western Juab/Millard Counties | 0 | 0 | – | |
| 2026-05-13 | Thunderstorm WindScipio, Millard County | 52 kt wind | 0 | 0 | – |
| 2026-04-01 | Strong WindJuab County and Millard County · forecast zone Eastern Juab/Millard Counties | 48 kt wind | 0 | 1 | – |
| 2026-02-18 | Winter WeatherEmery County and 4 more · forecast zone Central Mountains | 0 | 0 | – | |
| 2026-02-18 | Winter WeatherJuab County and Millard County · forecast zone Eastern Juab/Millard Counties | 0 | 0 | – | |
| 2026-02-17 | Winter StormEmery County and 4 more · forecast zone Central Mountains | 0 | 0 | $70K | |
| 2026-01-05 | Winter WeatherJuab County and Millard County · forecast zone Eastern Juab/Millard Counties | 0 | 0 | $60K |
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 |
|---|---|---|---|---|---|
| 2021-07-25 | Dust StormJuab County and Millard County · forecast zone Eastern Juab/Millard Counties Thunderstorm outflow winds generated blowing dust with near zero visibility along Interstate 15 near milepost 152 south of Fillmore. This resulted in a multi vehicle pileup with at least 22 vehicles involved, 8 fatalities, and 10 injuries. The nearest mesonet site located 7 miles south of the crash site recorded a ... | 8 | 10 | $327K | |
| 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 | – | |
| 2001-11-29 | Winter StormJuab County and Millard County · forecast zone Millard T X E/Juab T X E Another strong storm pounded Northern Utah, resulting in 3 fatalities. A 9-year-old girl was killed when a snowplow lost control in heavy snow and low visibilities, colliding into a school bus near Delta. Twelve other children were injured in the accident. Also, a head-on collision in heavy snow and icy roads resulted ... | 1 | 12 | $83K | |
| 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 | – | |
| 2005-03-24 | Winter StormJuab County and Millard County · forecast zone West Central Utah/Delta Icy roads during the 18-26th episode resulted in numerous crashes on Utah roads. One fatality occurred 23 miles south of Nephiwhen a 76 year old male died when he lost control of his vehicle on I-15. There was one additional injury. Another fatality occurred on SR 112 in Tooele, when a 20 month-old boy was ejected ... | 1 | 1 | – | |
| 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 | – |
| 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 |
| 2021-08-18 | FloodDelta Municipal Airport, Millard County | 0 | 0 | $1.1M | |
| 2015-04-14 | WildfireEmery County and 3 more · forecast zone Central Mountains | 0 | 0 | $436K | |
| 2021-07-25 | Dust StormJuab County and Millard County · forecast zone Eastern Juab/Millard Counties | 8 | 10 | $327K | |
| 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 | |
| 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 $30, in the dollars of the day) holds: June 7, 1989 (tornado, Millard 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 Millard 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 | – | – | – | – | 97 | 113 | 87 | 43 |
| High wind and dust storms | – | – | – | – | 8 | 30 | 67 | 17 |
| Severe thunderstorm wind | 0 | 2 | 1 | 3 | 7 | 6 | 6 | 30 |
| Floods | – | – | – | – | 1 | 5 | 6 | 3 |
| Landslides and avalanches | – | – | – | – | 1 | 3 | 6 | 1 |
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 79 · Feb 70 · Mar 76 · Apr 60 · May 31 · Jun 37 · Jul 22 · Aug 16 · Sep 16 · Oct 26 · Nov 50 · Dec 82 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began.
Federal disaster declarations for Millard County
FEMA's register lists 11 declarations that include Millard County: 4 major disasters, 3 emergencies and 4 fire management assistance declarations. Most were for fire (4) and flood (3).
| Declared | Number | Type | Title |
|---|---|---|---|
| 2026-08-02 | FM-5661 | Fire | Widemouth 2 Fire |
| 2020-06-28 | FM-5317 | Fire | Canal Fire |
| 2020-04-04 | DR-4525 | Biological | Covid-19 Pandemic |
| 2020-03-13 | EM-3478 | Biological | Covid-19 |
| 2012-06-27 | FM-2990 | Fire | Clay Springs Fire |
| 2011-08-08 | DR-4011 | Flood | Flooding |
| 2007-07-07 | FM-2707 | Fire | Milford Flat Fire |
| 2005-09-05 | EM-3223 | Coastal Storm | Hurricane Katrina Evacuation |
| 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 Millard County had?
NOAA's Storm Events Database holds 15 flood or flash flood records for Millard County from 1998 to 2024, on 15 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Millard County ranks 1678th of 2,942 U.S. counties.
The National Flood Insurance Program has paid $774,000 on 48 claims filed in Millard County; the most in one year was 45 in 1983. Claims count insured losses only: uninsured flood damage is not in this file.
The values, year by year
1979: 1 · 1983: 45 · 1984: 1 · 2007: 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 Millard County
FEMA's National Risk Index rates Millard County Very Low overall, with an expected annual loss of $7.1 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 |
|---|---|---|---|
| Winter Weather | Relatively High | $449K | 16 a year (modeled) |
| Wildfire | Relatively Moderate | $1.5M | once in about 322 years (modeled) |
| Drought | Relatively Moderate | $806K | 76 modeled event-days a year |
| Earthquake | Relatively Low | $2.1M | once in about 71 years (modeled) |
| Avalanche | Relatively Low | $8K | once in about 6 years (modeled) |
| Lightning | Relatively Low | $136K | 34 a year (modeled) |
| Volcanic Activity | Very Low | $128 | once in about 5,000 years (modeled) |
| Heat Wave | Very Low | $183K | 1.7 modeled event-days a year |
Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.
Counties that share a border with Millard 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 Millard CountyThe hazard risk calculator: 18 hazards beside the county's record
- Download Millard County's FEMA declarations (CSV)11 rows: every declaration that named the county, for your own analysis