Zionsville, IN
Local storm history & FEMA National Risk Index data
Zionsville is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Boone County, IN. The county's highest-rated hazards are hail, winter weather, and earthquake.
Storm events near Zionsville
NOAA-recorded tornado, hail, and flood events within 25 miles of Zionsville's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Zionsville itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Boone County's FEMA National Risk Index scores, covering Zionsville along with the rest of the county, not a Zionsville-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 7 | Very Low |
| Inland Flooding | 56.8 | Relatively Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 68 | Relatively Low |
| Heat Wave | 55.9 | Relatively Low |
| Tornado | 39.6 | Relatively Low |
| Avalanche | — | Not Applicable |
| Cold Wave | 59.9 | Relatively Low |
| Drought | 57.3 | Relatively Low |
| Hail | 73.4 | Relatively Moderate |
| Hurricane | 14.1 | Very Low |
| Ice Storm | 48.7 | Relatively Low |
| Landslide | 31.9 | Very Low |
| Lightning | 27.6 | Relatively Low |
| Strong Wind | 65.1 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 73.3 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Boone County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Boone County:
More on Boone County:
Frequently asked questions
What natural hazards is Zionsville, IN at risk of?
Zionsville is rated Relatively Low for overall natural hazard risk by FEMA's National Risk Index — lower risk than most US counties. The highest-rated hazards for Boone County, where Zionsville is located, are hail, winter weather, and earthquake.
What is Zionsville's biggest natural hazard risk?
Hail is the highest-rated hazard for Boone County, where Zionsville is located, scoring 73.4 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").
Is Zionsville a high-risk area for natural disasters?
No — Zionsville carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Boone County.
Has Zionsville had tornadoes, hail, or flooding?
NOAA has recorded 21 tornado, 180 hail, 72 inland flooding events within 25 miles of Zionsville since 2016.