Lancaster, Ohio: natural disaster risk
How exposed Lancaster is to floods, storms and other hazards, from FEMA and NOAA records for Fairfield County.
Lancaster is a city of 41,249 people in Fairfield County, Ohio. FEMA's National Risk Index rates Fairfield County relatively low for natural hazards overall, lower than most of the US. The costliest hazards there are inland flooding, tornado and heat wave, with about $39 million in expected losses a year across the county. The weather service has logged 510 storm reports in the county since 1961, including 24 tornadoes and 80 floods. NOAA hurricane records show 0 hurricanes and 1 tropical storm passing within 65 miles of the county's center. About 0.8% of homes in the county carry federal flood insurance.
Risk figures are for Fairfield County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in Lancaster
Full Fairfield County report ›- 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.
- Pick a shelter spot: a basement, or an inside room on the lowest floor with no windows.
- Turn on emergency alerts on your phone and keep a weather radio.
- Check that cooling works before summer.
- Know where the nearest cooling center is.
All hazards
| Hazard | Rating | A year |
|---|---|---|
| Inland flooding | $27M | |
| Tornado | $3M | |
| Heat wave | $2M | |
| Strong wind | $1M | |
| Hail | $1M | |
| Lightning | $994K | |
| Drought | $982K | |
| Ice storm | $976K | |
| Cold wave | $758K | |
| Earthquake | $490K | |
| Winter weather | $267K | |
| Landslide | $48K |
Homes in Lancaster
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 Fairfield County
More cities in Fairfield County
Common questions about Lancaster
Is Lancaster safe from natural disasters?
Lancaster is in Fairfield County, which FEMA's National Risk Index rates relatively low overall, lower than most of the US. The biggest hazards are inland flooding, tornado, heat wave. No place is free of risk, so check the flood map and insurance for any home you consider.
What natural disasters happen in Lancaster?
By expected yearly losses in Fairfield County, the top hazards are inland flooding (Moderate), tornado (Moderate), heat wave (Moderate). Fairfield County has been part of 11 federal disaster or emergency declarations for natural events.
Does Lancaster get tornadoes?
Yes. NOAA records list 24 tornadoes in Fairfield County since 1950; the strongest was an F3 tornado on May 10, 1973. FEMA rates tornado risk in the county moderate.
Do I need flood insurance in Lancaster?
Standard home insurance does not cover floods. In Fairfield County, about 0.8% of homes have federal flood insurance, and FEMA rates inland flooding risk moderate. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.