Roy, Utah: natural disaster risk
How exposed Roy is to floods, storms and other hazards, from FEMA and NOAA records for Weber County.
Roy is a city of 38,993 people in Weber County, Utah. FEMA's National Risk Index rates Weber County relatively moderate for natural hazards overall, about average for the US. The costliest hazards there are earthquake, inland flooding and wildfire, with about $104 million in expected losses a year across the county. The weather service has logged 171 storm reports in the county since 1964, including 8 tornadoes and 18 floods. About 0.2% of homes in the county carry federal flood insurance.
Risk figures are for Weber County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in Roy
Full Weber County report ›- 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 hazards
| Hazard | Rating | A year |
|---|---|---|
| Earthquake | $66M | |
| Inland flooding | $19M | |
| Wildfire | $4M | |
| Avalanche | $4M | |
| Lightning | $3M | |
| Heat wave | $3M | |
| Strong wind | $2M | |
| Cold wave | $1M | |
| Tornado | $915K | |
| Winter weather | $668K | |
| Drought | $156K | |
| Hail | $76K |
Homes in Roy
Older homes and mobile homes usually take more damage in storms, floods and earthquakes. Ask about roof age, flood history and retrofits before you buy or rent.
Strongest tornadoes in Weber County
More cities in Weber County
Common questions about Roy
Is Roy safe from natural disasters?
Roy is in Weber County, which FEMA's National Risk Index rates relatively moderate overall, about average for the US. The biggest hazards are earthquake, inland flooding, wildfire. No place is free of risk, so check the flood map and insurance for any home you consider.
What natural disasters happen in Roy?
By expected yearly losses in Weber County, the top hazards are earthquake (Moderate), inland flooding (Low), wildfire (Moderate). Weber County has been part of 9 federal disaster or emergency declarations for natural events.
Does Roy get tornadoes?
Yes. NOAA records list 8 tornadoes in Weber County since 1950; the strongest was an F2 tornado on August 14, 1968. FEMA rates tornado risk in the county low.
Do I need flood insurance in Roy?
Standard home insurance does not cover floods. In Weber County, about 0.2% of homes have federal flood insurance, and FEMA rates inland flooding risk low. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.