Lebanon, NH
Local storm history & FEMA National Risk Index data
Lebanon 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 Grafton County, NH. The county's highest-rated hazards are landslide, winter weather, and inland flooding.
Storm events near Lebanon
NOAA-recorded tornado, hail, and flood events within 25 miles of Lebanon's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Lebanon 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 Grafton County's FEMA National Risk Index scores, covering Lebanon along with the rest of the county, not a Lebanon-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 30.9 | Very Low |
| Inland Flooding | 90.1 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 69.6 | Relatively Low |
| Heat Wave | 44.3 | Relatively Low |
| Tornado | 24.4 | Very Low |
| Avalanche | 74.1 | Relatively Low |
| Cold Wave | 54.1 | Relatively Low |
| Drought | 0 | No Rating |
| Hail | 19.2 | Very Low |
| Hurricane | 78.5 | Relatively Low |
| Ice Storm | 75.8 | Relatively Moderate |
| Landslide | 97.8 | Relatively Moderate |
| Lightning | 80.9 | Relatively Moderate |
| Strong Wind | 48.3 | Relatively Low |
| 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 Grafton County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Grafton County:
Frequently asked questions
What natural hazards is Lebanon, NH at risk of?
Lebanon 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 Grafton County, where Lebanon is located, are landslide, winter weather, and inland flooding.
What is Lebanon's biggest natural hazard risk?
Landslide is the highest-rated hazard for Grafton County, where Lebanon is located, scoring 97.8 out of 100 on FEMA's National Risk Index (rated "Relatively Moderate").
Is Lebanon a high-risk area for natural disasters?
Somewhat — Lebanon 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 Grafton County.
Has Lebanon had tornadoes, hail, or flooding?
NOAA has recorded 2 tornado, 24 hail, 48 inland flooding events within 25 miles of Lebanon since 2016.