Ice Storm Risk in Oregon
All Oregon counties ranked by FEMA National Risk Index ice storm score
Ice Storm risk — freezing rain that coats surfaces in heavy, damaging ice — is rated for 36 of 36 Oregon counties in FEMA's National Risk Index. Umatilla County carries the state's highest ice storm score at 93.4, with $1M in expected annual ice storm losses.
8 Oregon counties are rated High or Very High for ice storm, and expected annual losses from ice storm total roughly $10M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Ice Storm
| # | County | Ice Storm Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Umatilla County | High | 0.35 / yr | $1M | |
| 2 | Multnomah County | High | 1.61 / yr | $1M | |
| 3 | Washington County | High | 1.22 / yr | $1M | |
| 4 | Clackamas County | High | 1.11 / yr | $1M | |
| 5 | Lincoln County | High | 0.24 / yr | $498K | |
| 6 | Hood River County | High | 1.26 / yr | $840K | |
| 7 | Wasco County | High | 0.25 / yr | $609K | |
| 8 | Lane County | High | 0.32 / yr | $505K | |
| 9 | Morrow County | Medium | 0.09 / yr | $383K | |
| 10 | Douglas County | Medium | 0.15 / yr | $228K | |
| 11 | Marion County | Medium | 0.64 / yr | $245K | |
| 12 | Yamhill County | Medium | 0.73 / yr | $232K | |
| 13 | Polk County | Medium | 0.60 / yr | $196K | |
| 14 | Benton County | Low | 0.50 / yr | $138K | |
| 15 | Deschutes County | Low | 0.02 / yr | $126K | |
| 16 | Linn County | Low | 0.39 / yr | $98K | |
| 17 | Sherman County | Low | 0.10 / yr | $102K | |
| 18 | Union County | Low | 0.04 / yr | $76K | |
| 19 | Tillamook County | Low | 0.36 / yr | $62K | |
| 20 | Clatsop County | Low | 0.71 / yr | $47K | |
| 21 | Columbia County | Low | 0.90 / yr | $58K | |
| 22 | Wallowa County | Low | 0.03 / yr | $25K | |
| 23 | Klamath County | Very Low | 0.02 / yr | $15K | |
| 24 | Jefferson County | Very Low | 0.03 / yr | $17K | |
| 25 | Baker County | Very Low | 0.01 / yr | $13K | |
| 26 | Crook County | Very Low | 0.01 / yr | $14K | |
| 27 | Jackson County | Very Low | 0.01 / yr | $15K | |
| 28 | Malheur County | Very Low | 0.01 / yr | $9K | |
| 29 | Grant County | Very Low | 0.01 / yr | $7K | |
| 30 | Josephine County | Very Low | 0.01 / yr | $6K | |
| 31 | Gilliam County | Very Low | 0.02 / yr | $6K | |
| 32 | Coos County | Very Low | 0.01 / yr | $6K | |
| 33 | Lake County | Very Low | 0.01 / yr | $4K | |
| 34 | Harney County | Very Low | 0.01 / yr | $3K | |
| 35 | Curry County | Very Low | 0.01 / yr | $2K | |
| 36 | Wheeler County | Very Low | 0.01 / yr | $653 |
36 Oregon counties with measurable ice storm risk. See the national ice storm ranking or all Oregon counties by overall risk.
Frequently Asked Questions
Which Oregon county has the highest ice storm risk?
Umatilla County has the highest FEMA ice storm risk score in Oregon at 93.4 (High), with $1M in expected annual losses and about 0.35 events per year.
How many Oregon counties face significant ice storm risk?
36 Oregon counties record measurable ice storm risk in FEMA's National Risk Index; 8 of them are rated High or Very High.