Counties in the Worst Drought in Washington
The top 25 of 39 Washington counties on GIS Map, ranked by the Drought Severity and Coverage Index (0-500), where 500 means the entire county is in exceptional drought.
| # | County | Drought Severity Index |
|---|---|---|
| 1 | Spokane County | 346.0 |
| 2 | Okanogan County | 327.3 |
| 3 | Asotin County | 300.0 |
| 4 | Pend Oreille County | 290.7 |
| 5 | Whitman County | 283.0 |
| 6 | Garfield County | 269.2 |
| 7 | Walla Walla County | 264.8 |
| 8 | Whatcom County | 261.3 |
| 9 | Columbia County | 254.4 |
| 10 | Lincoln County | 239.7 |
| 11 | Skagit County | 237.4 |
| 12 | Ferry County | 229.2 |
| 13 | Adams County | 218.2 |
| 14 | Stevens County | 216.7 |
| 15 | Chelan County | 215.0 |
| 16 | Franklin County | 200.3 |
| 17 | Douglas County | 200.0 |
| 18 | Grant County | 200.0 |
| 19 | Clallam County | 197.6 |
| 20 | Kittitas County | 186.3 |
| 21 | Kitsap County | 178.8 |
| 22 | Snohomish County | 166.8 |
| 23 | Jefferson County | 152.9 |
| 24 | Benton County | 152.5 |
| 25 | Yakima County | 116.5 |
Source: U.S. Drought Monitor (13 October 2026). All counties with data are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Counties in the Worst Drought in Washington”, https://gismap.land/rankings/washington/worst-drought-counties. Figures from U.S. Drought Monitor (13 October 2026).
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