Lewis County, Washington: hazard risk
FEMA rates Lewis County's overall risk Relatively Moderate (score 89.7 of 100, higher than 89% of rated U.S. counties); 1 of its 15 hazards are rated Relatively High or Very High, led by avalanche. Its storm record holds 374 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 |
|---|---|---|---|
| Avalanche | Relatively High | 88.0 | $1.3M |
| Earthquake | Relatively Moderate | 97.3 | $30M |
| Landslide | Relatively Moderate | 96.5 | $195K |
| Volcanic Activity | Relatively Moderate | 95.1 | $287K |
| Riverine Flooding | Relatively Moderate | 90.9 | $37M |
| Heat Wave | Relatively Low | 77.9 | $1.2M |
| Wildfire | Relatively Low | 76.7 | $263K |
| Winter Weather | Relatively Low | 40.2 | $40K |
| Ice Storm | Relatively Low | 35.6 | $37K |
| Lightning | Relatively Low | 32.4 | $103K |
| Strong Wind | Relatively Low | 21.4 | $168K |
| Tornado | Very Low | 17.4 | $162K |
| Drought | Very Low | 13.1 | $46 |
| Hail | Very Low | 5.5 | $12K |
| Cold Wave | Very Low | 3.1 | $149 |
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 | 182 | 7 | $2.7M | 24th of 39 | 1974th of 3,077 |
| High wind and dust storms | 86 | 5 | $40M | 27th of 39 | 1361st of 3,080 |
| Floods | 30 | 3 | $100M | 23rd of 39 | 2744th of 3,080 |
| Landslides and avalanches | 30 | 27 | $13M | 7th of 39 | 81st of 2,278 |
| Heat | 21 | 0 | – | 16th of 39 | 1703rd of 3,076 |
| Drought | 6 | 0 | $18M | 18th of 39 | 2450th of 3,063 |
| Extreme cold | 6 | 2 | – | 19th of 39 | 2608th of 3,076 |
| Heavy rain | 5 | 0 | $73K | 21st of 39 | 1903rd of 3,080 |
| Lightning | 3 | 0 | $3K | 17th of 39 | 2151st of 3,080 |
| Tornadoes | 3 | 0 | $249K | 22nd of 39 | 2890th of 3,080 |
| Wildfires | 2 | 0 | $4.8M | 28th of 39 | 1176th of 2,972 |
Source: NOAA NCEI Storm Events Database, 1950 to 2026-06-30; damage in 2025 dollars. Search the record at NCEI.
The full Lewis County record: every hazard by year and month, the deadliest events and FEMA's declarations.