St. Marys, PA

Local storm history & FEMA National Risk Index data

Population: 12,361 · Part of Elk County

St. Marys is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Elk County, PA. The county's highest-rated hazards are lightning, landslide, and inland flooding.

Storm events near St. Marys

NOAA-recorded tornado, hail, and flood events within 25 miles of St. Marys's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to St. Marys itself, not the whole county.

Tornado 6 events
Hail 13 events
Inland Flooding 7 events

County-wide hazard risk

Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Elk County's FEMA National Risk Index scores, covering St. Marys along with the rest of the county, not a St. Marys-specific figure.

Hazard NRI score Rating
Wildfire 5.9 Very Low
Inland Flooding 68 Relatively Low
Coastal Flooding Not Applicable
Earthquake 27.6 Very Low
Heat Wave 7.9 Very Low
Tornado 18.1 Very Low
Avalanche 59.1 Very Low
Cold Wave 28.9 Relatively Low
Drought 0 No Rating
Hail 5.9 Very Low
Hurricane 63.7 Relatively Low
Ice Storm 15.5 Very Low
Landslide 70.2 Relatively Low
Lightning 78.9 Relatively Moderate
Strong Wind 37.9 Relatively Low
Tsunami Not Applicable
Volcanic Activity Not Applicable
Winter Weather 67.5 Relatively Moderate

Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Elk County risk profile for disaster declarations, social vulnerability, and climate projection data.

More on Elk County:

Frequently asked questions

What natural hazards is St. Marys, PA at risk of?

St. Marys 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 Elk County, where St. Marys is located, are lightning, landslide, and inland flooding.

What is St. Marys's biggest natural hazard risk?

Lightning is the highest-rated hazard for Elk County, where St. Marys is located, scoring 78.9 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").

Is St. Marys a high-risk area for natural disasters?

No — St. Marys carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Elk County.

Has St. Marys had tornadoes, hail, or flooding?

NOAA has recorded 6 tornado, 13 hail, 7 inland flooding events within 25 miles of St. Marys since 2016.