Millard County, Utah severe weather history spans 75 recorded events between 1968 and 2025. The dominant hazard is thunderstorm wind, accounting for 69.3% of all recorded events. It ranks #2,978 nationally and #19 in Utah.
75
Recorded events
0
Direct deaths
0
Direct injuries
$1.3M
Property damage
The record
What the Millard County, Utah severe weather history record shows
Across the archive, Millard County, Utah severe weather history averages 1.3 recorded events a year. The busiest stretch on record is the 2020s, with 33 events logged in that decade alone. Roughly 7 events fall before 1990 and 68 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The costliest is flood, with $1.1M in reported property damage. In total, 7 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Millard County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 52 | 0 | $78K | 70 | 1968–2025 |
| Flash Flood | 7 | 0 | $121K | 0 | 2007–2023 |
| Hail | 6 | 0 | $0 | 1.5 | 1990–2021 |
| Flood | 3 | 0 | $1.1M | 0 | 2011–2024 |
| Debris Flow | 3 | 0 | $1K | 0 | 2013–2023 |
| Tornado | 2 | 0 | $30 | F0 | 1989–1996 |
| Funnel Cloud | 2 | 0 | $0 | 0 | 1998–2024 |
Decade by decade
Millard County, Utah severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
3 mapped tornado paths intersect this county: 3 touched down inside it and 0 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1996-05-28 | EF0 | 0 | 0 | 0.2 mi | Touched down here |
| 1989-06-07 | EF0 | 0 | 0 | 0.2 mi | Touched down here |
| 1982-05-03 | EF0 | 0 | 0 | 0.1 mi | Touched down here |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Heavy rain over the Clay Springs burn scar caused a debris flow on the afternoon of September 1st. Four homes in the Fools Creek area experienced flooded basements, and one yard was severely damaged. In addition, a single wide trailer in the same area was pushed off its foundation. Six to eight inches of mud and debris crossed Highway 125, causing some damage along the edges of the roadway.
The Sevier River once again experienced flooding in the month of July, but this time it was areas of Millard County that received the worst of the damage. The access road between Highways 50 and 257 was closed due to water running over the roadway. Water from Sevier River also flowed over portions of Highways 6 and 50, but did not result in any damage or closures. Flooding occurred at various points on the Sevier River channel from Leamington through Lynndyl, in the Delta and Deseret areas, and all the way to Sevier Lake. A few different county roads and bridges were closed or damaged, including the Leamington Bridge in Leamington and the access road to the Gunnison Massacre Historical Site west of Hinckley.
Strong crosswinds associated with outflow from nearby showers and thunderstorms resulted in multiple overturned semitrailers on Interstate 15 at milepost 163. Around this time, the UTCIR mesonet sensor recorded a wind gust of 71 mph. Video from broadcast media showed a semitrailer rolling at speed, with subsequent articles indicating multiple semitrailers were rolled. Additionally, the video showed a substantial dust plume as a result of the strong winds.
Context
Risk, population and federal disasters
Very Low
FEMA NRI risk rating
13,315
Population (ACS)
$285K
Median home value
10
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Jun 28, 2020 | Fire | CANAL FIRE | FM |
| Apr 4, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| Jun 27, 2012 | Fire | CLAY SPRINGS FIRE | FM |
| Aug 8, 2011 | Flood | FLOODING | DR |
| Jul 7, 2007 | Fire | MILFORD FLAT FIRE | FM |
Quick answers
Frequently asked
How many severe weather events have been recorded in Millard County, Utah?
75 events are on record between 1968 and 2025, causing 0 direct deaths and $1.3M in property damage.
What is the most common severe weather hazard in Millard County?
Thunderstorm Wind, with 52 recorded events — 69.3% of everything in the archive for this county.
How many tornadoes have crossed Millard County?
3 mapped tornado paths intersect the county boundary; 3 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Millard County?
10 federal disaster declarations from FEMA include Millard County, each tied to a specific incident period.
How risky is Millard County compared with the rest of the country?
FEMA's National Risk Index rates Millard County as very low risk, placing it in the 22 percentile of its state for expected annual loss.
Where does the Millard County, Utah severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Kane County 254
- Morgan County 23
- Juab County 57
- Piute County 18
- Iron County 111
- Rich County 29
Cite this page
“Millard County, Utah.” Severe Weather History. severeweatherhistory.com/county/utah/millard-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.