San Juan County, Utah: hazard risk
FEMA rates San Juan County's overall risk Very Low (score 26.8 of 100, higher than 26% of rated U.S. counties); 2 of its 15 hazards are rated Relatively High or Very High, led by landslide, avalanche. Its storm record holds 1,389 events since 1950.
FEMA's rating for each hazard
These are FEMA's county-wide model ratings and this county's storm record. They are not an assessment of any property, address or building, and not insurance advice: a property's risk depends on its own elevation, construction and location.
FEMA gives each hazard its own rating, and a rating does not follow the score from one hazard to the next: a hazard with a higher score can carry a lower rating than another. The table sorts by FEMA's rating, then by score (0 to 100, the county against every other county for that hazard).
| Hazard | Risk rating | Score | Expected annual loss |
|---|---|---|---|
| Landslide | Relatively High | 98.5 | $492K |
| Avalanche | Relatively High | 89.0 | $913K |
| Winter Weather | Relatively Moderate | 82.6 | $135K |
| Lightning | Relatively Moderate | 81.0 | $428K |
| Wildfire | Relatively Low | 82.3 | $298K |
| Heat Wave | Relatively Low | 78.2 | $776K |
| Drought | Relatively Low | 56.9 | $130K |
| Earthquake | Very Low | 55.7 | $211K |
| Riverine Flooding | Very Low | 24.0 | $1.6M |
| Ice Storm | Very Low | 22.9 | $12K |
| Volcanic Activity | Very Low | 20.8 | $0 |
| Strong Wind | Very Low | 6.0 | $23K |
| Tornado | Very Low | 5.4 | $13K |
| Cold Wave | Very Low | 2.8 | $4 |
| Hail | Very Low | 2.4 | $2K |
Source: FEMA National Risk Index, December 2025 release. A model of future loss, not a count of past events. FEMA's National Risk Index map.
What the record holds
| Hazard | Records | Deaths | Damage | Rank in state | Rank in U.S. |
|---|---|---|---|---|---|
| Winter storms | 506 | 0 | $25K | 24th of 29 | 2246th of 3,077 |
| Drought | 471 | 0 | – | 4th of 29 | 1537th of 3,063 |
| Extreme cold | 98 | 0 | – | 3rd of 29 | 1910th of 3,076 |
| Floods | 70 | 1 | $2.9M | 19th of 29 | 2823rd of 3,080 |
| High wind and dust storms | 35 | 0 | $59K | 29th of 29 | 2749th of 3,080 |
| Wildfires | 34 | 0 | $15M | 11th of 29 | 583rd of 2,972 |
| Landslides and avalanches | 33 | 2 | $72K | 20th of 29 | 230th of 2,278 |
| Hail | 32 | 0 | $76K | 27th of 29 | 2988th of 3,080 |
| Heavy rain | 31 | 0 | $51K | 6th of 29 | 1567th of 3,080 |
| Severe thunderstorm wind | 22 | 0 | $320K | 28th of 29 | 2997th of 3,080 |
| Heat | 7 | 2 | – | 12th of 29 | 2429th of 3,076 |
| Tornadoes | 7 | 0 | – | 23rd of 29 | 2931st of 3,080 |
| Lightning | 2 | 0 | $139K | 19th of 29 | 2405th of 3,080 |
Source: NOAA NCEI Storm Events Database, 1950 to 2026-06-30; damage in 2025 dollars. Search the record at NCEI.
The full San Juan County record: every hazard by year and month, the deadliest events and FEMA's declarations.