Port Chester, NY
Local storm history & FEMA National Risk Index data
Port Chester is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Westchester County, NY. The county's highest-rated hazards are strong wind, inland flooding, and winter weather.
Storm events near Port Chester
NOAA-recorded tornado, hail, and flood events within 25 miles of Port Chester's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Port Chester 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 Westchester County's FEMA National Risk Index scores, covering Port Chester along with the rest of the county, not a Port Chester-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 56.6 | Very Low |
| Inland Flooding | 98 | Relatively High |
| Coastal Flooding | 80.8 | Relatively Moderate |
| Earthquake | 94.8 | Relatively Moderate |
| Heat Wave | 96.2 | Relatively Moderate |
| Tornado | 72.7 | Relatively Moderate |
| Avalanche | 30.1 | Very Low |
| Cold Wave | 93.7 | Relatively High |
| Drought | 30.6 | Very Low |
| Hail | 32.6 | Very Low |
| Hurricane | 93.6 | Relatively High |
| Ice Storm | 90.3 | Relatively High |
| Landslide | 93.2 | Relatively Moderate |
| Lightning | 97.6 | Very High |
| Strong Wind | 99.1 | Very High |
| Tsunami | — | Insufficient Data |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 97.8 | Very High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Westchester County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Westchester County:
More on Westchester County:
Frequently asked questions
What natural hazards is Port Chester, NY at risk of?
Port Chester 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 Westchester County, where Port Chester is located, are strong wind, inland flooding, and winter weather.
What is Port Chester's biggest natural hazard risk?
Strong Wind is the highest-rated hazard for Westchester County, where Port Chester is located, scoring 99.1 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Port Chester a high-risk area for natural disasters?
Yes — Port Chester carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Westchester County.
Has Port Chester had tornadoes, hail, or flooding?
NOAA has recorded 4 tornado, 77 hail, 535 inland flooding events within 25 miles of Port Chester since 2016.