Weld County

Colorado — Natural Disaster Risk Assessment

Medium

Composite Risk Score

89.2

National percentile: 89th

Weld County faces medium composite natural disaster risk (NRI Risk Index score 89.2, 89th national percentile), driven primarily by hail and cold wave exposure. Expected annual loss across all 18 hazard types is $105M.

Source: FEMA National Risk Index v1.20 · Updated December 2025

Expected Annual Loss $105M Annualized county-level EAL
Social Vulnerability Very Low Population sensitivity
Community Resilience Medium Capacity to recover
Population 329K Latest estimate

Top Hazards

Hail
High $14M/yr
Cold Wave
High $19M/yr
Tornado
High $16M/yr

All 18 Hazard Risks

Hail High 6.70 / yr $14M
Cold Wave High 1.84 / yr $19M
Tornado High 4.20 / yr $16M
Strong Wind High 1.40 / yr $4M
Winter Weather High 10.29 / yr $762K
Lightning High 51.16 / yr $2M
Riverine Flood Medium 1.89 / yr $44M
Wildfire Low 0.00 / yr $1M
Ice Storm Medium 0.03 / yr $482K
Earthquake Low 0.00 / yr $2M
Volcanic Activity Very Low 0.00 / yr $53
Heat Wave Low 0.62 / yr $775K
Landslide Very Low 0.54 / yr $960
Drought Low 38.53 / yr $75K
Avalanche Very Low 0.00 / yr $0
Coastal Flood Very Low 0.00 / yr $0
Hurricane Very Low 0.00 / yr $0
Tsunami Very Low 0.00 / yr $0

Frequently Asked Questions

What is the overall natural disaster risk for Weld County?

Weld County has a composite FEMA National Risk Index score of 89.2 out of 100, placing it in the Medium category and the 89th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.

What are the top natural hazards in Weld County?

The three highest-rated hazards are Hail (High, $14M EAL), Cold Wave (High, $19M EAL), Tornado (High, $16M EAL). These account for most of the county's expected annual losses.

How does Weld County compare to other Colorado counties?

Weld County ranks #8 of 64 Colorado counties for overall natural disaster risk, with a medium rating.

What does Expected Annual Loss (EAL) mean?

EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Weld County's $105M EAL is a statistical average, not a guarantee for any specific year or address.