Box Elder County, Utah severe weather history spans 289 recorded events between 1958 and 2026. The dominant hazard is thunderstorm wind, accounting for 81.7% of all recorded events. It ranks #1,844 nationally and #5 in Utah.
289
Recorded events
1
Direct deaths
11
Direct injuries
$8.3M
Property damage
The record
What the Box Elder County, Utah severe weather history record shows
Across the archive, Box Elder County, Utah severe weather history averages 4.3 recorded events a year. The busiest stretch on record is the 2020s, with 127 events logged in that decade alone. Roughly 25 events fall before 1990 and 264 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Box Elder County, Utah record is lightning, responsible for 1 direct deaths. The costliest is flood, with $6.1M in reported property damage. In total, 9 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Box Elder County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 236 | 0 | $161K | 79 | 1958–2026 |
| Hail | 29 | 0 | $59K | 1.75 | 1958–2023 |
| Tornado | 10 | 0 | $25K | F0 | 1962–2018 |
| Funnel Cloud | 4 | 0 | $0 | 0 | 1997–2014 |
| Flood | 4 | 0 | $6.1M | 0 | 1996–2023 |
| Flash Flood | 2 | 0 | $2.0M | 0 | 2023–2023 |
| Heavy Rain | 2 | 0 | $0 | 0 | 1999–2005 |
| Lightning | 1 | 1 | $0 | 0 | 2024–2024 |
| Strong Wind | 1 | 0 | $0 | 35 | 2026–2026 |
Decade by decade
Box Elder County, Utah severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
10 mapped tornado paths intersect this county: 10 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 |
|---|---|---|---|---|---|
| 2018-05-28 | EF0 | 0 | 0 | 0.1 mi | Touched down here |
| 2009-05-03 | EF0 | 0 | 0 | 1.0 mi | Touched down here |
| 2007-07-25 | EF0 | 0 | 0 | 0.3 mi | Touched down here |
| 1991-09-10 | EF0 | 0 | 0 | 0.2 mi | Touched down here |
| 1987-08-25 | EF0 | 0 | 0 | 0.2 mi | Touched down here |
| 1984-08-16 | EF0 | 0 | 0 | 0.1 mi | Touched down here |
| 1984-08-16 | EF0 | 0 | 0 | 0.1 mi | Touched down here |
| 1970-06-05 | EF0 | 0 | 0 | 0.1 mi | Touched down here |
| 1968-08-14 | EF0 | 0 | 0 | 4.1 mi | Touched down here |
| 1962-07-09 | EF0 | 0 | 0 | 0.1 mi | Touched down here |
Significant events
Deadliest events on record in Box Elder County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Aug 18, 2024 | Lightning | CORINNE | 1 | 2 | $0 |
| May 17, 1996 | Flood | BRIGHAM CITY AREA | 0 | 8 | $40K |
| Jun 1, 2015 | Thunderstorm Wind | BOTHWELL | 0 | 1 | $50K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Significant rainfall and snowmelt led to main stem river flooding along the Bear River, and also produced widespread flooding away from the river across Box Elder County, with one estimate from the County Commissioner saying that 90% of communities in the county had been affected. Approximately 60 to 100 homes experienced basement flooding, especially in Bothwell, Garland, and Tremonton. Flooding also impacted many businesses and churches. Damage to roadways was also widespread, with over $3.1 million in road damage alone.
Flooding was reported in Corrine where 3.44 inches of rain was recorded. There was 5.83 inches of rain measured in Honeyville. Reports of basement flooding and photos of flooding to crops, farmland, and yards were observed.
A strong thunderstorm moved through northern Box Elder County, with a maximum recorded wind gust of 62 mph at the I-84 at White's Valley sensor. This thunderstorm caused significant damage in the town of Portage, Utah, with several trees damaged or knocked down and approximately ten homes with shingle damage. In addition, a porch awning collapsed, injuring a woman and sending her to the hospital.
Context
Risk, population and federal disasters
Relatively Low
FEMA NRI risk rating
61,246
Population (ACS)
$404K
Median home value
9
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Apr 4, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| Apr 21, 2017 | Flood | SEVERE WINTER STORMS AND FLOODING | DR |
| Aug 8, 2011 | Flood | FLOODING | DR |
| Sep 5, 2005 | Coastal Storm | HURRICANE KATRINA EVACUATION | EM |
| Aug 1, 2005 | Flood | FLOODING AND LANDSLIDES | DR |
Quick answers
Frequently asked
How many severe weather events have been recorded in Box Elder County, Utah?
289 events are on record between 1958 and 2026, causing 1 direct deaths and $8.3M in property damage.
What is the most common severe weather hazard in Box Elder County?
Thunderstorm Wind, with 236 recorded events — 81.7% of everything in the archive for this county.
How many tornadoes have crossed Box Elder County?
10 mapped tornado paths intersect the county boundary; 10 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Box Elder County?
9 federal disaster declarations from FEMA include Box Elder County, each tied to a specific incident period.
How risky is Box Elder County compared with the rest of the country?
FEMA's National Risk Index rates Box Elder County as relatively low risk, placing it in the 56 percentile of its state for expected annual loss.
Where does the Box Elder 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
- Beaver County 79
- Cache County 113
- Carbon County 61
- Daggett County 44
- Davis County 181
- Duchesne County 97
Cite this page
“Box Elder County, Utah.” Severe Weather History. severeweatherhistory.com/county/utah/box-elder-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.