Hopatcong, NJ
Local storm history & FEMA National Risk Index data
Hopatcong is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Sussex County, NJ. The county's highest-rated hazards are strong wind, cold wave, and landslide.
Storm events near Hopatcong
NOAA-recorded tornado, hail, and flood events within 25 miles of Hopatcong's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Hopatcong 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 Sussex County's FEMA National Risk Index scores, covering Hopatcong along with the rest of the county, not a Hopatcong-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 36.7 | Very Low |
| Inland Flooding | 77.3 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 71.1 | Relatively Low |
| Heat Wave | 59.8 | Relatively Low |
| Tornado | 44.1 | Relatively Low |
| Avalanche | 30.3 | Very Low |
| Cold Wave | 93.9 | Relatively High |
| Drought | 50.6 | Relatively Low |
| Hail | 8.3 | Very Low |
| Hurricane | 71.5 | Relatively Low |
| Ice Storm | 54 | Relatively Low |
| Landslide | 86.5 | Relatively Low |
| Lightning | 66.7 | Relatively Moderate |
| Strong Wind | 98.2 | Very High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 78.8 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Sussex County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Sussex County:
Frequently asked questions
What natural hazards is Hopatcong, NJ at risk of?
Hopatcong 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 Sussex County, where Hopatcong is located, are strong wind, cold wave, and landslide.
What is Hopatcong's biggest natural hazard risk?
Strong Wind is the highest-rated hazard for Sussex County, where Hopatcong is located, scoring 98.2 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Hopatcong a high-risk area for natural disasters?
No — Hopatcong carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Sussex County.
Has Hopatcong had tornadoes, hail, or flooding?
NOAA has recorded 6 tornado, 59 hail, 174 inland flooding events within 25 miles of Hopatcong since 2016.