Hermitage, PA
Local storm history & FEMA National Risk Index data
Hermitage is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Mercer County, PA. The county's highest-rated hazards are inland flooding, lightning, and winter weather.
Storm events near Hermitage
NOAA-recorded tornado, hail, and flood events within 25 miles of Hermitage's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Hermitage 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 Mercer County's FEMA National Risk Index scores, covering Hermitage along with the rest of the county, not a Hermitage-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 36.4 | Very Low |
| Inland Flooding | 87.9 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 51.5 | Very Low |
| Heat Wave | 28.4 | Very Low |
| Tornado | 55.3 | Relatively Low |
| Avalanche | — | Not Applicable |
| Cold Wave | 23.2 | Very Low |
| Drought | 0 | No Rating |
| Hail | 75.9 | Relatively Moderate |
| Hurricane | 64.8 | Relatively Low |
| Ice Storm | 42.2 | Relatively Low |
| Landslide | 43.1 | Very Low |
| Lightning | 87.3 | Relatively High |
| Strong Wind | 74 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 77.9 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Mercer County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Mercer County:
More on Mercer County:
Frequently asked questions
What natural hazards is Hermitage, PA at risk of?
Hermitage 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 Mercer County, where Hermitage is located, are inland flooding, lightning, and winter weather.
What is Hermitage's biggest natural hazard risk?
Inland Flooding is the highest-rated hazard for Mercer County, where Hermitage is located, scoring 87.9 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").
Is Hermitage a high-risk area for natural disasters?
No — Hermitage carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Mercer County.
Has Hermitage had tornadoes, hail, or flooding?
NOAA has recorded 12 tornado, 126 hail, 127 inland flooding events within 25 miles of Hermitage since 2016.