Winter Weather Risk in Washington
All Washington counties ranked by FEMA National Risk Index winter weather score
Winter Weather risk — heavy snow, blizzards, and hazardous winter conditions — is rated for 39 of 39 Washington counties in FEMA's National Risk Index. King County carries the state's highest winter weather score at 94.7, with $815K in expected annual winter weather losses.
6 Washington counties are rated High or Very High for winter weather, and expected annual losses from winter weather total roughly $6M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Winter Weather
| # | County | Winter Weather Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | King County | High | 26.87 / yr | $815K | |
| 2 | Snohomish County | High | 31.89 / yr | $761K | |
| 3 | Benton County | High | 7.95 / yr | $496K | |
| 4 | Clallam County | High | 13.04 / yr | $352K | |
| 5 | Spokane County | High | 18.85 / yr | $400K | |
| 6 | Yakima County | High | 18.15 / yr | $233K | |
| 7 | Pierce County | Medium | 27.02 / yr | $332K | |
| 8 | Whatcom County | Medium | 37.28 / yr | $276K | |
| 9 | Jefferson County | Medium | 15.96 / yr | $162K | |
| 10 | Chelan County | Medium | 26.39 / yr | $164K | |
| 11 | Walla Walla County | Medium | 9.17 / yr | $163K | |
| 12 | Clark County | Medium | 10.79 / yr | $205K | |
| 13 | Skagit County | Medium | 37.12 / yr | $162K | |
| 14 | Okanogan County | Medium | 22.24 / yr | $89K | |
| 15 | Grant County | Medium | 9.75 / yr | $102K | |
| 16 | Klickitat County | Medium | 15.20 / yr | $83K | |
| 17 | Stevens County | Medium | 24.36 / yr | $85K | |
| 18 | San Juan County | Low | 4.79 / yr | $79K | |
| 19 | Kitsap County | Low | 6.29 / yr | $115K | |
| 20 | Douglas County | Low | 14.57 / yr | $67K | |
| 21 | Thurston County | Low | 6.10 / yr | $95K | |
| 22 | Kittitas County | Low | 21.98 / yr | $71K | |
| 23 | Pend Oreille County | Low | 24.37 / yr | $69K | |
| 24 | Cowlitz County | Low | 21.10 / yr | $65K | |
| 25 | Mason County | Low | 11.83 / yr | $47K | |
| 26 | Island County | Low | 5.71 / yr | $56K | |
| 27 | Franklin County | Low | 7.94 / yr | $56K | |
| 28 | Lewis County | Low | 29.26 / yr | $40K | |
| 29 | Grays Harbor County | Low | 6.79 / yr | $36K | |
| 30 | Whitman County | Low | 17.05 / yr | $30K | |
| 31 | Skamania County | Very Low | 40.15 / yr | $26K | |
| 32 | Ferry County | Very Low | 20.74 / yr | $12K | |
| 33 | Lincoln County | Very Low | 13.29 / yr | $14K | |
| 34 | Asotin County | Very Low | 12.62 / yr | $14K | |
| 35 | Adams County | Very Low | 11.81 / yr | $10K | |
| 36 | Pacific County | Very Low | 7.53 / yr | $9K | |
| 37 | Columbia County | Very Low | 17.18 / yr | $6K | |
| 38 | Wahkiakum County | Very Low | 8.11 / yr | $1K | |
| 39 | Garfield County | Very Low | 10.80 / yr | $2K |
39 Washington counties with measurable winter weather risk. See the national winter weather ranking or all Washington counties by overall risk.
Frequently Asked Questions
Which Washington county has the highest winter weather risk?
King County has the highest FEMA winter weather risk score in Washington at 94.7 (High), with $815K in expected annual losses and about 26.87 events per year.
How many Washington counties face significant winter weather risk?
39 Washington counties record measurable winter weather risk in FEMA's National Risk Index; 6 of them are rated High or Very High.