Mount Holly, NC

Local storm history & FEMA National Risk Index data

Population: 18,723 · Part of Gaston County

Mount Holly 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 Gaston County, NC. The county's highest-rated hazards are ice storm, strong wind, and tornado.

Storm events near Mount Holly

NOAA-recorded tornado, hail, and flood events within 25 miles of Mount Holly's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Mount Holly itself, not the whole county.

Tornado 24 events
Hail 122 events
Inland Flooding 88 events

County-wide hazard risk

Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Gaston County's FEMA National Risk Index scores, covering Mount Holly along with the rest of the county, not a Mount Holly-specific figure.

Hazard NRI score Rating
Wildfire 48.2 Very Low
Inland Flooding 88.5 Relatively Moderate
Coastal Flooding Not Applicable
Earthquake 85.8 Relatively Low
Heat Wave 68.3 Relatively Low
Tornado 91.1 Relatively High
Avalanche Not Applicable
Cold Wave 60.7 Relatively Low
Drought 38.5 Relatively Low
Hail 68.4 Relatively Low
Hurricane 70.2 Relatively Low
Ice Storm 97.6 Very High
Landslide 57.1 Very Low
Lightning 90.8 Relatively High
Strong Wind 95.2 Relatively High
Tsunami Not Applicable
Volcanic Activity Not Applicable
Winter Weather 58.5 Relatively Low

Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Gaston County risk profile for disaster declarations, social vulnerability, and climate projection data.

Other cities in Gaston County:

More on Gaston County:

Frequently asked questions

What natural hazards is Mount Holly, NC at risk of?

Mount Holly 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 Gaston County, where Mount Holly is located, are ice storm, strong wind, and tornado.

What is Mount Holly's biggest natural hazard risk?

Ice Storm is the highest-rated hazard for Gaston County, where Mount Holly is located, scoring 97.6 out of 100 on FEMA's National Risk Index (rated "Very High").

Is Mount Holly a high-risk area for natural disasters?

Somewhat — Mount Holly 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 Gaston County.

Has Mount Holly had tornadoes, hail, or flooding?

NOAA has recorded 24 tornado, 122 hail, 88 inland flooding events within 25 miles of Mount Holly since 2016.