Concord, NH
Local storm history & FEMA National Risk Index data
Concord is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Merrimack County, NH. The county's highest-rated hazards are ice storm, lightning, and inland flooding.
Storm events near Concord
NOAA-recorded tornado, hail, and flood events within 25 miles of Concord's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Concord 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 Merrimack County's FEMA National Risk Index scores, covering Concord along with the rest of the county, not a Concord-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 35.2 | Very Low |
| Inland Flooding | 85.8 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 76.1 | Relatively Low |
| Heat Wave | 70.6 | Relatively Low |
| Tornado | 56.2 | Relatively Low |
| Avalanche | 28.5 | Very Low |
| Cold Wave | 53.8 | Relatively Low |
| Drought | 58.8 | Relatively Low |
| Hail | 37.2 | Relatively Low |
| Hurricane | 84.8 | Relatively Moderate |
| Ice Storm | 89.8 | Relatively High |
| Landslide | 81.1 | Relatively Low |
| Lightning | 89.2 | Relatively High |
| Strong Wind | 52.5 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 80.4 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Merrimack County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Merrimack County:
Frequently asked questions
What natural hazards is Concord, NH at risk of?
Concord 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 Merrimack County, where Concord is located, are ice storm, lightning, and inland flooding.
What is Concord's biggest natural hazard risk?
Ice Storm is the highest-rated hazard for Merrimack County, where Concord is located, scoring 89.8 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Concord a high-risk area for natural disasters?
No — Concord carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Merrimack County.
Has Concord had tornadoes, hail, or flooding?
NOAA has recorded 1 tornado, 56 hail, 79 inland flooding events within 25 miles of Concord since 2016.