Weber County, Utah
Natural disaster risk, federal disaster history and flood insurance facts.
Weber County, Utah has a moderate overall risk from natural hazards in FEMA's National Risk Index. Its risk score is higher than 87% of US counties. It ranks 5th of 29 counties in Utah. The costliest hazards here are earthquakes, inland flooding and wildfires. FEMA estimates about $104 million a year in expected losses, or roughly $396 per resident. Since 1977 it has been included in 9 federal disaster or emergency declarations for natural events (5 major disasters). The most recent was in January 2021 (straight-line winds). Fewer than 1 in 100 homes here carry federal flood insurance (227 policies). Since 1978, federal flood insurance has paid about $321,000 on 89 claims here.
FEMA National Risk Index December 2025; OpenFEMA declarations to Nov 6, 2026; NFIP records. Updated November 6, 2026.
Top risks in Weber County
- Ask whether an older house is bolted to its foundation.
- Consider separate earthquake insurance where risk is high.
- Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
- Price a flood policy now. Most new federal policies take 30 days to start.
- Clear dry plants and debris within 5 feet of the house.
- Get home insurance quotes early; availability varies by area.
All 18 hazards
What the ratings mean ›| Hazard | Rating | Score | Expected loss a year | |
|---|---|---|---|---|
| Earthquake | 97.7 | $66M | ||
| Inland flooding | 67.6 | $19M | ||
| Wildfire | 94.1 | $4M | ||
| Avalanche | 93.4 | $4M | ||
| Lightning | 94.6 | $3M | ||
| Heat wave | 81.4 | $3M | ||
| Strong wind | 79.3 | $2M | ||
| Cold wave | 46.5 | $1M | ||
| Tornado | 32.0 | $915K | ||
| Winter weather | 90.5 | $668K | ||
| Drought | 44.5 | $156K | ||
| Hail | 14.5 | $76K | ||
| Ice storm | 33.3 | $61K | ||
| Landslide | 46.9 | $2K |
Scores are percentiles: a score of 90 means higher risk than about 90% of US counties for that hazard. Hazards FEMA does not rate here are left out. Social vulnerability is very low and community resilience is very high in FEMA's measures.
Federal disaster history
Recent disasters nationwide ›Declarations by decade
Federal declarations for natural events that included Weber County. 2020s bar runs to November 2026.
By type
Most recent
Utah also had 7 statewide declarations that did not name single counties.
Storm history since 1964
Tornado risk by county ›The National Weather Service has logged 171 storm reports in Weber County since 1964, with 1 death and 16 injuries and about $5.1 million in reported damage. The strongest on record here was an F2 tornado on August 14, 1968.
Strongest tornadoes
| Date | Strength | Near | Hurt / killed |
|---|---|---|---|
| Aug 14, 1968 | F2 | – | 1 / 0 |
| Sep 22, 2016 | EF1 | Roy | 5 / 0 |
| May 29, 1996 | F1 | North Ogden | 1 / 0 |
| Aug 20, 1998 | F1 | Ogden | 6 / 0 |
| Apr 23, 1990 | F0 | – | 1 / 0 |
Most damaging storms
| Date | Type | Near | Damage |
|---|---|---|---|
| Sep 22, 2016 | Tornado | Roy | $2M |
| May 29, 1996 | Tornado | North Ogden | $600K |
| May 22, 2011 | Flood | Hermitage | $550K |
| Aug 30, 2000 | Flash Flood | Countywide | $260K |
| Aug 14, 1968 | Tornado | – | $250K |
| Aug 26, 1998 | Thunderstorm Wind | Ogden | $120K |
Source: NOAA Storm Events Database, county-based reports through May 13, 2026. Tornado records start in 1950, hail and wind in 1955, and floods and other storm types in 1996, so older decades undercount. Damage is in dollars of the year it happened and is often an estimate. Winter storms, heat and hurricanes are logged by forecast zone, not county, so they are not counted here.
Flood insurance in Weber County
Check your address flood zone ›National Flood Insurance Program (NFIP) records only; private flood policies are not included. Home counts as of Aug 3, 2026. Since 2021 NFIP prices each home separately under Risk Rating 2.0, so your price depends on the building, not the county. Ask an agent for a quote.
Homes in Weber County
Older homes and mobile homes usually suffer more damage in storms, floods and earthquakes, and can cost more to insure. If you are buying, ask about roof age, foundation bolting and any retrofits. Source: US Census Bureau, American Community Survey 2020 to 2024 5-year estimates; 100,568 housing units.
Compare in Utah
All 29 ›| Largest counties | Overall risk | Top hazard |
|---|---|---|
| Salt Lake County | Earthquake | |
| Utah County | Earthquake | |
| Davis County | Earthquake | |
| Weber County | Earthquake | |
| Washington County | Wildfire | |
| Cache County | Earthquake | |
| Tooele County | Wildfire | |
| Box Elder County | Earthquake |
Neighboring counties
| County | Overall risk | Declarations |
|---|---|---|
| Davis County | 9 | |
| Cache County | 5 | |
| Tooele County | 9 | |
| Box Elder County | 7 | |
| Morgan County | 8 | |
| Rich County | 3 |
Cities in Weber County
Common questions about Weber County
What is the biggest natural hazard in Weber County?
Earthquake has the highest expected yearly losses in Weber County, about $66 million a year in FEMA's estimate. Inland flooding is second at $18.8 million.
How many federal disasters has Weber County had?
Weber County has been included in 9 federal disaster or emergency declarations for natural events since 1977, including 5 major disasters. The most recent was Straight-Line Winds in January 2021.
Is Weber County a high-risk place to live?
Its overall rating is Relatively Moderate, 5th highest of 29 in Utah. A county rating covers the whole area. Risk at one address can be much higher or lower, so check the FEMA flood map and ask about the home's history.
Do I need flood insurance in Weber County?
Standard home insurance does not cover flooding. About 1 in 500 homes in Weber County has federal flood insurance. Lenders require it in mapped high-risk zones, but many flood claims come from outside those zones.
How many tornadoes has Weber County had?
NOAA records list 8 tornadoes in Weber County since 1950. The strongest was an F2 tornado on August 14, 1968. The weather service has also logged 18 hail reports and 18 floods here.
Sources: FEMA National Risk Index (December 2025), OpenFEMA Disaster Declarations Summaries, and NFIP policy and claims data. Hazard Compass is independent and not affiliated with FEMA. These figures describe the whole county, not a single property, and are not insurance or safety advice. Report a problem.