Marion, Indiana: natural disaster risk
How exposed Marion is to floods, storms and other hazards, from FEMA and NOAA records for Grant County.
Marion is a city of 27,531 people in Grant County, Indiana. FEMA's National Risk Index rates Grant County relatively low for natural hazards overall, lower than most of the US. The costliest hazards there are inland flooding, tornado and earthquake, with about $23.1 million in expected losses a year across the county. The weather service has logged 370 storm reports in the county since 1956, including 29 tornadoes and 14 floods. About 0.2% of homes in the county carry federal flood insurance.
Risk figures are for Grant County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in Marion
Full Grant 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.
- Ask whether an older house is bolted to its foundation.
- Consider separate earthquake insurance where risk is high.
All hazards
| Hazard | Rating | A year |
|---|---|---|
| Inland flooding | $12M | |
| Tornado | $5M | |
| Earthquake | $1M | |
| Heat wave | $1M | |
| Cold wave | $971K | |
| Hail | $917K | |
| Strong wind | $707K | |
| Drought | $270K | |
| Lightning | $183K | |
| Winter weather | $97K | |
| Ice storm | $51K | |
| Hurricane | $14K |
Homes in Marion
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 Grant County
Common questions about Marion
Is Marion safe from natural disasters?
Marion is in Grant County, which FEMA's National Risk Index rates relatively low overall, lower than most of the US. The biggest hazards are inland flooding, tornado, earthquake. No place is free of risk, so check the flood map and insurance for any home you consider.
What natural disasters happen in Marion?
By expected yearly losses in Grant County, the top hazards are inland flooding (Moderate), tornado (Moderate), earthquake (Low). Grant County has been part of 20 federal disaster or emergency declarations for natural events.
Does Marion get tornadoes?
Yes. NOAA records list 29 tornadoes in Grant County since 1950; the strongest was an F4 tornado on April 11, 1965. FEMA rates tornado risk in the county moderate.
Do I need flood insurance in Marion?
Standard home insurance does not cover floods. In Grant County, about 0.2% 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.