GIS Map
RankingsOhioWorst drought

Counties in the Worst Drought in Ohio

The top 25 of 88 Ohio 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
1Lake County
100.0
2Ashtabula County
99.1
3Cuyahoga County
72.8
4Geauga County
60.6
5Clermont County
8.6
6Trumbull County
7.0
7Lorain County
1.4
8Adams County
0.0
9Allen County
0.0
10Ashland County
0.0
11Athens County
0.0
12Auglaize County
0.0
13Belmont County
0.0
14Brown County
0.0
15Butler County
0.0
16Carroll County
0.0
17Champaign County
0.0
18Clark County
0.0
19Clinton County
0.0
20Columbiana County
0.0
21Coshocton County
0.0
22Crawford County
0.0
23Darke County
0.0
24Defiance County
0.0
25Delaware County
0.0

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