11 FEMA areas

Hail Risk by City in Colorado

Compare 16 cities using FEMA's relative hail scores and annualized frequency for the county-equivalent areas shown.

Highest relative score

99.9/100

Arapahoe County

Covered cities: Aurora and Centennial

Lowest relative score in this set

33.4/100

Mesa County

Covered cities: Grand Junction

These are relative FEMA scores for county-equivalent areas. They are not annual probabilities or property-level findings.

Colorado hail rankings

Cities sharing a FEMA area are grouped together and receive the same score.

Rank	FEMA area and cities	Rating	Score	Annualized frequency
#1	Arapahoe County Aurora Centennial	Very High	99.9/100	8.830 per year
#2	Adams County Thornton Westminster	Very High	99.9/100	8.379 per year
#3	Jefferson County Arvada Lakewood	Very High	99.7/100	6.968 per year
#4	Denver County Denver	Very High	99.7/100	8.458 per year
#5	Larimer County Fort Collins	Relatively High	99.5/100	4.636 per year
#6	El Paso County Colorado Springs	Relatively High	99.5/100	6.732 per year
#7	Pueblo County Pueblo	Relatively High	98.7/100	4.081 per year
#8	Weld County Greeley	Relatively Moderate	95.6/100	7.012 per year
#9	Boulder County Boulder Lafayette Longmont	Relatively Moderate	89.8/100	5.636 per year
#10	Douglas County Highlands Ranch	Relatively Moderate	85.1/100	7.531 per year
#11	Mesa County Grand Junction	Very Low	33.4/100	0.149 per year

Occurrence thresholds vary by hazard. The FEMA methodology defines the value for each hazard.

Preparing for hail

Ready.gov Be Informed ↗

For a home or move

✓Confirm the exact hazard using official local maps before making property or insurance decisions.
✓Review policy exclusions, deductibles, and temporary-living coverage with a licensed professional.
✓Keep inspections, inventories, and critical documents in a secure location you can access after an emergency.

For a household plan

✓Know how local officials issue warnings and evacuation instructions.
✓Maintain water, food, lighting, medications, and communications for several days.
✓Create a household communication plan and practice it before an emergency.

Questions about hail risk in Colorado

Which covered Colorado cities have the highest relative hail risk?

Aurora and Centennial use FEMA data for Arapahoe County, which has the highest relative hail score in this covered set at 99.9/100. Cities sharing the same FEMA area share the same score.

Which covered Colorado area has the lowest relative hail score?

Mesa County has the lowest score in this covered set at 33.4/100. This is a relative FEMA comparison, not a declaration that every property there is safe.

Are these hail figures city-level?

No. The city links provide geographic navigation, while the scores and frequencies cover the FEMA county-equivalent areas shown in the table. Address-level conditions require local maps and property details.

Is the FEMA relative score an annual probability?

No. The relative score compares FEMA areas on a 0–100 scale. Annualized frequency appears separately with hazard-specific units.

Source: FEMA National Risk Index v1.19.0, released March 2023. Hazard data covers FEMA county-equivalent areas.

FEMA source ↗Our methodology →