Waterbury, CT
Local storm history & FEMA National Risk Index data
Waterbury is rated Relatively Moderate for overall natural hazard risk — near the middle compared to other US counties — based on FEMA's National Risk Index for Naugatuck Valley Planning Region, CT. The county's highest-rated hazards are inland flooding, hurricane, and ice storm.
Storm events near Waterbury
NOAA-recorded tornado, hail, and flood events within 25 miles of Waterbury's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Waterbury 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 Naugatuck Valley Planning Region's FEMA National Risk Index scores, covering Waterbury along with the rest of the county, not a Waterbury-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 47.7 | Very Low |
| Inland Flooding | 96.3 | Relatively High |
| Coastal Flooding | 42.2 | Very Low |
| Earthquake | 86.1 | Relatively Low |
| Heat Wave | 80.7 | Relatively Moderate |
| Tornado | 73.1 | Relatively Moderate |
| Avalanche | — | Not Applicable |
| Cold Wave | 72.1 | Relatively Moderate |
| Drought | 50.2 | Relatively Low |
| Hail | 54.4 | Relatively Low |
| Hurricane | 95.1 | Relatively High |
| Ice Storm | 94.4 | Relatively High |
| Landslide | 86.8 | Relatively Low |
| Lightning | 86.1 | Relatively High |
| Strong Wind | 89.1 | Relatively High |
| Tsunami | — | Insufficient Data |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 88 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Naugatuck Valley Planning Region risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Naugatuck Valley Planning Region:
More on Naugatuck Valley Planning Region:
Frequently asked questions
What natural hazards is Waterbury, CT at risk of?
Waterbury is rated Relatively Moderate for overall natural hazard risk by FEMA's National Risk Index — near the middle compared to other US counties. The highest-rated hazards for Naugatuck Valley Planning Region, where Waterbury is located, are inland flooding, hurricane, and ice storm.
What is Waterbury's biggest natural hazard risk?
Inland Flooding is the highest-rated hazard for Naugatuck Valley Planning Region, where Waterbury is located, scoring 96.3 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Waterbury a high-risk area for natural disasters?
Somewhat — Waterbury carries near the middle compared to other US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Moderate" for Naugatuck Valley Planning Region.
Has Waterbury had tornadoes, hail, or flooding?
NOAA has recorded 9 tornado, 34 hail, 212 inland flooding events within 25 miles of Waterbury since 2016.