Norwalk, OH
Local storm history & FEMA National Risk Index data
Norwalk is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Huron County, OH. The county's highest-rated hazards are lightning, hail, and winter weather.
Storm events near Norwalk
NOAA-recorded tornado, hail, and flood events within 25 miles of Norwalk's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Norwalk 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 Huron County's FEMA National Risk Index scores, covering Norwalk along with the rest of the county, not a Norwalk-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 15.7 | Very Low |
| Inland Flooding | 60.5 | Relatively Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 52.6 | Very Low |
| Heat Wave | 33.6 | Very Low |
| Tornado | 67.3 | Relatively Moderate |
| Avalanche | — | Not Applicable |
| Cold Wave | 49.4 | Relatively Low |
| Drought | 0 | No Rating |
| Hail | 78.2 | Relatively Moderate |
| Hurricane | 45.4 | Very Low |
| Ice Storm | 67.5 | Relatively Moderate |
| Landslide | 49.5 | Very Low |
| Lightning | 89.8 | Relatively High |
| Strong Wind | 72.2 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 75.3 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Huron County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Huron County:
Frequently asked questions
What natural hazards is Norwalk, OH at risk of?
Norwalk 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 Huron County, where Norwalk is located, are lightning, hail, and winter weather.
What is Norwalk's biggest natural hazard risk?
Lightning is the highest-rated hazard for Huron County, where Norwalk is located, scoring 89.8 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Norwalk a high-risk area for natural disasters?
No — Norwalk carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Huron County.
Has Norwalk had tornadoes, hail, or flooding?
NOAA has recorded 27 tornado, 50 hail, 30 inland flooding events within 25 miles of Norwalk since 2016.