Monroeville, PA

Local storm history & FEMA National Risk Index data

Population: 27,966 · Part of Allegheny County

Monroeville is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Allegheny County, PA. The county's highest-rated hazards are inland flooding, cold wave, and strong wind.

Storm events near Monroeville

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

Tornado 28 events
Hail 238 events
Inland Flooding 516 events

County-wide hazard risk

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

Hazard NRI score Rating
Wildfire 60.4 Very Low
Inland Flooding 99.2 Very High
Coastal Flooding Not Applicable
Earthquake 87.9 Relatively Low
Heat Wave 94.3 Relatively Moderate
Tornado 91.2 Relatively High
Avalanche 28.1 Very Low
Cold Wave 98.8 Very High
Drought 0 No Rating
Hail 31.3 Very Low
Hurricane 75.9 Relatively Low
Ice Storm 96.1 Very High
Landslide 87.2 Relatively Low
Lightning 93.7 Relatively High
Strong Wind 96.3 Relatively High
Tsunami Not Applicable
Volcanic Activity Not Applicable
Winter Weather 93.3 Relatively High

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

Other cities in Allegheny County:

More on Allegheny County:

Frequently asked questions

What natural hazards is Monroeville, PA at risk of?

Monroeville is rated Relatively High for overall natural hazard risk by FEMA's National Risk Index — higher risk than most US counties. The highest-rated hazards for Allegheny County, where Monroeville is located, are inland flooding, cold wave, and strong wind.

What is Monroeville's biggest natural hazard risk?

Inland Flooding is the highest-rated hazard for Allegheny County, where Monroeville is located, scoring 99.2 out of 100 on FEMA's National Risk Index (rated "Very High").

Is Monroeville a high-risk area for natural disasters?

Yes — Monroeville carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Allegheny County.

Has Monroeville had tornadoes, hail, or flooding?

NOAA has recorded 28 tornado, 238 hail, 516 inland flooding events within 25 miles of Monroeville since 2016.