Oswego, NY
Local storm history & FEMA National Risk Index data
Oswego is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Oswego County, NY. The county's highest-rated hazards are winter weather, ice storm, and inland flooding.
Storm events near Oswego
NOAA-recorded tornado, hail, and flood events within 25 miles of Oswego's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Oswego 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 Oswego County's FEMA National Risk Index scores, covering Oswego along with the rest of the county, not a Oswego-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 35.7 | Very Low |
| Inland Flooding | 82.1 | Relatively Moderate |
| Coastal Flooding | 33.6 | Very Low |
| Earthquake | 65.3 | Relatively Low |
| Heat Wave | 47.7 | Relatively Low |
| Tornado | 43.1 | Relatively Low |
| Avalanche | — | Not Applicable |
| Cold Wave | 23.2 | Very Low |
| Drought | 0 | No Rating |
| Hail | 24.2 | Very Low |
| Hurricane | 60.7 | Relatively Low |
| Ice Storm | 83.9 | Relatively High |
| Landslide | 43.3 | Very Low |
| Lightning | 63.3 | Relatively Moderate |
| Strong Wind | 67.6 | Relatively Moderate |
| Tsunami | — | Insufficient Data |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 93.5 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Oswego County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Oswego County:
More on Oswego County:
Frequently asked questions
What natural hazards is Oswego, NY at risk of?
Oswego 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 Oswego County, where Oswego is located, are winter weather, ice storm, and inland flooding.
What is Oswego's biggest natural hazard risk?
Winter Weather is the highest-rated hazard for Oswego County, where Oswego is located, scoring 93.5 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Oswego a high-risk area for natural disasters?
No — Oswego carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Oswego County.
Has Oswego had tornadoes, hail, or flooding?
NOAA has recorded 1 tornado, 41 hail, 37 inland flooding events within 25 miles of Oswego since 2016.