Storm risk in Adams County, Colorado
FEMA rates Adams County Relatively Moderate for natural-hazard risk overall, 278th of 3,144 rated counties. For a roof the three that matter are hail (Very High), strong wind (Relatively High) and tornado (Relatively High). NOAA logged 170 hail reports here from 2014 to June 2026.
FEMA National Risk Index, version December 2025, retrieved October 8, 2026. Planning-level county ratings.
Each dot is the county’s score from 0 to 100 against all rated U.S. counties; the bar colour is FEMA’s rating band.
Hazard by hazard
| Hazard | Rating | Score (0 to 100) | Rank in U.S. | Rank in CO | Expected yearly loss |
|---|---|---|---|---|---|
| Overall | Relatively Moderate | 91.2 | 278 | 5 of 64 | $90,900,837buildings |
| Hail | Very High | 99.7 | 10 | 4 of 64 | $42,555,484buildings |
| Strong wind | Relatively High | 91.8 | 260 | 7 of 64 | $823,714buildings |
| Tornado | Relatively High | 93.5 | 207 | 6 of 64 | $12,629,511all exposure |
Rank 1 is the highest score. Expected annual loss is a county total in dollars per year, not a figure per home; the overall, hail and wind rows count buildings only, the tornado row all exposure.
Adams County in plain numbers
- FEMA's overall rating for Adams County is Relatively Moderate, score 91.2 of 100, 278th of 3,144 rated counties.
- Hail: Very High (score 99.7), 10th nationwide and 4th of 64 counties in Colorado.
- Expected yearly hail loss to buildings: $42,555,484 for the whole county, about $471.13 per $1 million of building value.
- NRI's hail record averages 8.2 hail events a year in the county.
- Strong wind: Relatively High (score 91.8), 260th nationwide; expected yearly loss to buildings $823,714, about $9.12 per $1 million of building value.
- Tornado: Relatively High (score 93.5), 207th nationwide; total expected yearly loss $12,629,511.
- Buildings in the county are valued at 90.3 billion dollars in the index; population 519,291.
- Social vulnerability is rated Very Low and community resilience Relatively Moderate.
- NOAA logged 170 hail reports in Adams County from 2014 to June 2026; hail of 1 inch or more fell on 41 days and the largest stone was 2.75 inches.
- 1 of our cities is in the county: Westminster.
- 19 ZIP Code Tabulation Areas have more than half of their land area in Adams County.
- Our guide range for a 2,000 sq ft asphalt roof in Westminster is $7,560 to $16,740.
- NOAA lists 33 tornado tracks in the county since 2014.
Where large hail was reported
FEMA scores the county as a whole. NOAA’s storm reports show where inside it the big stones fell.
Reported hail locations, Adams County
- 1011 to 1.74 in
- 371.75 to 2.74 in, golf ball to tennis ball
- 22.75 in and up, baseball
Largest plotted stone: 2.75 in. Bigger dots are bigger stones.
145 reports of 1 inch or larger have coordinates; the map shows the 140 largest. Each dot is a reported location, not a storm path.
Sources: NOAA, Census county outlineCities and ZIP areas in Adams County
1 city in this county is on PickARoofer. ZIP Code Tabulation Areas are Census shapes that approximate ZIP codes; where we have a city’s ZIPs, the share is the part of each area’s land that lies in this county. 19 such areas have more than half their land here.
| City | ZIP areas (share of land in the county) | Pages |
|---|---|---|
| Westminster | 80214 (0%), 80231 (0%), 80235 (0%), 80229 (100%), 80227 (0%) | Roofers |
Storm hit your roof in Adams County? A free inspection tells you if there is damage. One local roofer answers, not five.
Start an inspection requestQuestions
How high is storm risk in Adams County?
FEMA's National Risk Index rates Adams County Relatively Moderate overall. By peril: hail Very High, strong wind Relatively High, tornado Relatively High. The highest-scoring of the three for this county is hail (score 99.7).
How many hail reports has NOAA logged in Adams County?
170 reports between 2014 and June 2026 in NOAA's Storm Events Database. A report is one entry for one storm in one county, so counts follow where people live as well as where hail fell.
What does expected annual loss mean?
It is FEMA's estimate of the average yearly loss from a hazard, in dollars, summed over the county. It is a county total, not a figure per home, and it is built for comparing counties, not for pricing one house.
Does a high rating mean my roof will be damaged?
No. The index compares counties at planning level. It cannot say what will happen on your street. After a storm, a roof inspection is the only way to know.
How does Adams County compare with the rest of Colorado?
For hail it ranks 4th of 64 rated counties in the state; for strong wind 7th of 64; for tornado 6th of 64.
Other Colorado counties
Sources: FEMA National Risk Index, version December 2025, retrieved October 8, 2026; NOAA Storm Events Database; Census Bureau ZCTA-to-county relationship file (2020). This product uses the Federal Emergency Management Agency's National Risk Index dataset but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s). Planning-level information, not an inspection and not insurance advice.