Utah

Storm History: Box Elder County, Utah

257 episodes, 428 events since 1958

Every storm the National Weather Service has filed in Box Elder County, Utah: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
428
Deaths
9
Injuries
17
Damage
$9.2 million
Episodes
257

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Box Elder County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Thunderstorm Wind13801$102,000
Flash Flood8432$3.0 million
Heavy Snow4713$150,000
Hail4500$116,000
Tornado3000$35,000
Winter Storm2500$518,000
Dust Storm1300
High Wind1200$50,000
Avalanche722$20,000
Excessive Heat500
Flood408$5.0 million
Winter Weather400$103,000
Debris Flow300$25,000
Extreme Cold/Wind Chill300
Strong Wind321
Funnel Cloud200
Heavy Rain100
Dense Fog110$15,000
Wildfire100

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Box Elder County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Box Elder CountyEvery warning in Box Elder County since 1986Every county in Utah

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.