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RankingsOregonWorst drought

Counties in the Worst Drought in Oregon

The top 25 of 36 Oregon counties on GIS Map, ranked by the Drought Severity and Coverage Index (0-500), where 500 means the entire county is in exceptional drought.

#CountyDrought Severity Index
1Grant County
397.7
2Jefferson County
389.9
3Wheeler County
375.2
4Crook County
363.6
5Union County
355.5
6Deschutes County
348.9
7Umatilla County
339.0
8Baker County
330.9
9Lane County
318.7
10Linn County
318.6
11Wallowa County
296.0
12Malheur County
286.9
13Jackson County
281.9
14Douglas County
280.9
15Benton County
256.7
16Harney County
246.9
17Klamath County
237.0
18Marion County
236.1
19Morrow County
230.5
20Josephine County
217.7
21Wasco County
215.7
22Clackamas County
207.5
23Lake County
202.8
24Polk County
182.4
25Coos County
159.8

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 Oregon”, https://gismap.land/rankings/oregon/worst-drought-counties. Figures from U.S. Drought Monitor (13 October 2026).

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