County Hazards

States › Utah

Utah

The recorded hazard history of every county in Utah: storm events since 1950, federal disaster declarations since 1953, and National Flood Insurance Program claims since 1978.

Utah has 12,095 weather events in the NCEI Storm Events record since 1950 across 29 counties, led by winter storms and snow: 14.7 per 100 square miles against 56.0 nationally.

NCEI attributes 257 deaths and 1,901 injuries to those events, with property damage estimated at $1.1B. By events per 100 square miles the leading counties are Salt Lake, Davis and Weber.

FEMA lists 61 disaster declarations touching the state since 1953, most recently Rocky Canyon Fire (9 Aug 2026). NFIP policyholders filed 1,216 flood claims since 1978, $8.1M paid; 3,169 residential policies are in force.

430events, last 12 monthsto 30 Jun 2026
12,095events since 195014.7 per 100 sq mi (US 56.0)
61disaster declarations since 1953last 9 Aug 2026
1,216NFIP flood claims$8.1M paid

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026; declarations refreshed 29 Sep 2026; claims as of 8 Sep 2026.

Compared with the United States

MeasureUtahUS
Recorded events since 195012,0951,977,440
Events per 100 square miles14.756.0
Events per 10,000 residents36.259.6
Deaths recorded by NCEI25726,435
Property damage (NCEI estimates)$1.1B$575B
NFIP claims per 1,000 residents0.48.1
Average paid NFIP claim$12K$43K
Residential flood policies in force3,1693,139,862

Hazard mix

Winter4,165
Wind3,674
Flood1,399
Drought1,019
Hail638
Other386
Cold245
Fog170
Tornado146
Wildfire141
Lightning75
Heat37
HazardEventsShare of USDeaths
■ Winter4,1651.4%47
■ Wind3,6740.5%20
■ Flood1,3990.8%49
■ Drought1,0191.2%—
■ Hail6380.2%—
■ Other3860.8%89
■ Cold2450.5%—
■ Fog1700.9%7
■ Tornado1460.2%1
■ Wildfire1411.5%11
■ Lightning750.4%22
■ Heat370.1%11

Events by decade

Hail: 11Tornado: 7Wind: 8
Hail: 19Tornado: 20Wind: 36
Hail: 14Tornado: 6Wind: 49
Hail: 75Tornado: 25Wind: 142
Hail: 121Tornado: 34Flood: 82Wind: 300Winter: 801Cold: 28Wildfire: 5Lightning: 16Other: 63
Hail: 142Tornado: 27Flood: 295Wind: 591Winter: 1496Heat: 1Cold: 65Drought: 492Wildfire: 43Lightning: 35Fog: 50Other: 115
Hail: 143Tornado: 14Flood: 625Wind: 1056Winter: 1214Heat: 4Cold: 65Drought: 305Wildfire: 60Lightning: 20Fog: 72Other: 101
Hail: 113Tornado: 13Flood: 397Wind: 1492Winter: 654Heat: 32Cold: 87Drought: 222Wildfire: 33Lightning: 4Fog: 48Other: 107
261950s751960s691970s2421980s1,4501990s3,3522000s3,6792010s3,2022020s
Recorded events in Utah by decade and hazard group, including events recorded by forecast zone. HailTornadoFloodWindWinterHeatColdDroughtWildfireLightningFogOther NCEI recorded only tornadoes, hail and thunderstorm wind before 1996.

Counties by events per 100 square miles

CountyEventsLast 12 moPer 100 sq miPer 10k residentsDominantTornadoesHailDeclarationsNFIP claimsNRI risk
Salt Lake County5232470.54.4Wind1412112406Relatively High
Davis County180960.24.9Wind112911185Relatively Moderate
Weber County1731230.06.5Wind8181189Relatively Moderate
Washington County4261517.522.3Flood4261464Relatively Moderate
Utah County307815.34.5Wind105313105Relatively High
Tooele County8405812.1109.6Wind531117Relatively Low
Cache County1261710.89.2Wind519742Relatively Low
Wayne County19217.8750.6Flood81242Very Low
Grand County23686.4244.2Flood42648Very Low
Kane County254136.4317.8Flood01688Very Low
Daggett County4406.3450.8Hail21270Very Low
Box Elder County310365.451.9Wind1032918Relatively Low
Wasatch County5324.514.7Wind1111112Very Low
Carbon County6234.230.4Hail22459Very Low
Morgan County2323.818.2Wind03109Very Low
Garfield County18953.7368.5Flood41772Very Low
Iron County11283.418.5Flood521723Relatively Low
Sevier County6163.227.8Wind28915Very Low
Beaver County7933.1109.0Wind7683Very Low
Duchesne County9923.150.0Wind52886Very Low
Sanpete County4763.016.1Wind1051012Very Low
Rich County3032.9115.5Wind2251Very Low
Summit County5432.912.5Wind0131046Relatively Low
San Juan County21752.8149.8Flood73260Very Low
Piute County1912.5127.8Flood1281Very Low
Emery County108102.4108.4Flood71966Very Low
Uintah County10932.430.1Hail837814Very Low
Juab County6161.850.2Wind2896Very Low
Millard County7851.159.3Wind261148Very Low

Events are county-recorded plus zone-recorded events whose zone is named for the county. NRI risk is FEMA's National Risk Index overall rating (December 2025).

Counties by flood claims per 100 policies in force

CountyClaims, last 10 yearsPolicies in forceClaims per 100 policiesClaims since 1978Paid
Weber County3022713.289$321K
Washington County212508.464$1.2M
Grand County81017.98$146K
Summit County141837.746$153K
Salt Lake County558136.8406$1.7M
Davis County203296.1185$1.1M
Wasatch County51015.012$40K
Utah County255144.9105$505K

Counties with at least 100 residential policies in force. Claims by year of loss in the ten years to 2026, divided by residential policies in force as of 3 Aug 2026; a rough ratio, since policies in force today differ from those in force when the losses occurred.

Federal disaster declarations by year

195319902026
Declarations touching Utah by year declared, 1953 to 2026; each disaster number counted once.
Incident typeDeclarations
Fire42
Flood10
Severe Storm3
Biological2
Earthquake1
Coastal Storm1
Tornado1
Drought1

Most recent declarations (each disaster number once, with the number of counties designated):

DeclaredNumberTypeIncidentTitleCounties
9 Aug 2026FM-5665Fire management assistanceFireRocky Canyon Fire2
2 Aug 2026FM-5661Fire management assistanceFireWidemouth 2 Fire1
27 Jun 2026FM-5641Fire management assistanceFireCherry Fire2
23 Jun 2026FM-5640Fire management assistanceFireCottonwood Fire1
21 Jun 2026FM-5639Fire management assistanceFireIron Fire3
16 Jul 2025FM-5600Fire management assistanceFireMonroe Canyon Fire2
12 Jul 2025FM-5598Fire management assistanceFireDeer Creek Fire1
20 Jun 2025FM-5591Fire management assistanceFireForsyth Fire1
7 Jul 2024FM-5504Fire management assistanceFireSilver King Fire1
23 Dec 2023DR-4752Major disasterFloodFlooding5
14 Aug 2021FM-5408Fire management assistanceFireParleys Canyon Fire2
10 Jun 2021FM-5391Fire management assistanceFirePack Creek Fire1
5 Jun 2021FM-5388Fire management assistanceFireMammoth Fire1
12 Jan 2021DR-4578Major disasterSevere StormStraight-Line Winds4
7 Sep 2020FM-5353Fire management assistanceFireEther Hollow Fire1

Flood insurance claims by year

197820022026
NFIP claims in Utah by year of loss, 1978 to 2026.

1,216 claims, 695 paid, $8.1M in total; 20 repetitive-loss and 0 severe repetitive-loss properties. ZIP codes in Utah with flood claims (60).

Year by year

Each year's events, declarations and claims: 2026 · 2025 · 2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013 · 2012 · 2011 · 2010 · 2009 · 2008 · 2007 · 2006 · 2005 · 2004 · 2003 · 2002 · 2001 · 2000 · 1999 · 1998 · 1997 · and earlier years back to 1953

Questions and answers

Which Utah counties have the most recorded tornadoes?

Salt Lake (14), Davis (11) and Box Elder (10), by NCEI count since 1950. Larger counties record more events; the state table also ranks by events per 100 square miles.

Which Utah counties have the most flood insurance claims?

Salt Lake (406), Davis (185) and Utah (105) since 1978, in the OpenFEMA NFIP claims file.

How many federal disaster declarations has Utah had?

61 declarations since 1953 (major disaster, emergency and fire management assistance declarations combined), 5 of them in 2026 so far.

How does Utah compare with the national rate?

14.7 recorded events per 100 square miles against 56.0 nationally; 0.4 NFIP claims per 1,000 residents against 8.1.

Provenance

NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 refreshed 29 Sep 2026; OpenFEMA NfipClaims v3 as of 8 Sep 2026; NfipResidentialPenetrationRates v1 (3 Aug 2026); FEMA National Risk Index December 2025; US Census Bureau 2021 population and area. Built 30 Sep 2026. Methodology.