Westminster, CO

Local storm history & FEMA National Risk Index data

Population: 115,302 · Part of Adams County

Westminster 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 Adams County, CO. The county's highest-rated hazards are hail, winter weather, and cold wave.

Storm events near Westminster

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

Tornado 11 events
Hail 751 events
Inland Flooding 21 events

County-wide hazard risk

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

Hazard NRI score Rating
Wildfire 80.9 Relatively Low
Inland Flooding 87.2 Relatively Moderate
Coastal Flooding Not Applicable
Earthquake 84.4 Relatively Low
Heat Wave 76.9 Relatively Low
Tornado 93.4 Relatively High
Avalanche Not Applicable
Cold Wave 97.2 Relatively High
Drought 63.7 Relatively Low
Hail 99.7 Very High
Hurricane Not Applicable
Ice Storm 60.3 Relatively Moderate
Landslide 38.4 Very Low
Lightning 96.7 Very High
Strong Wind 91.8 Relatively High
Tsunami Not Applicable
Volcanic Activity 69.4 Very Low
Winter Weather 97.4 Very High

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

Other cities in Adams County:

More on Adams County:

Frequently asked questions

What natural hazards is Westminster, CO at risk of?

Westminster 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 Adams County, where Westminster is located, are hail, winter weather, and cold wave.

What is Westminster's biggest natural hazard risk?

Hail is the highest-rated hazard for Adams County, where Westminster is located, scoring 99.7 out of 100 on FEMA's National Risk Index (rated "Very High").

Is Westminster a high-risk area for natural disasters?

Somewhat — Westminster 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 Adams County.

Has Westminster had tornadoes, hail, or flooding?

NOAA has recorded 11 tornado, 751 hail, 21 inland flooding events within 25 miles of Westminster since 2016.