Tornado Risk in Indiana

All Indiana counties ranked by FEMA National Risk Index tornado score

Tornado risk — violently rotating columns of air capable of catastrophic local damage — is rated for 92 of 92 Indiana counties in FEMA's National Risk Index. Lake County carries the state's highest tornado score at 99.1, with $41M in expected annual tornado losses.

13 Indiana counties are rated High or Very High for tornado, and expected annual losses from tornado total roughly $422M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Tornado

#CountyTornado ScoreRatingAnn. Freq.Ann. Loss
1 Lake County
99.1
Very High 0.42 / yr $41M
2 Marion County
99.0
Very High 0.31 / yr $39M
3 Allen County
97.5
High 0.42 / yr $21M
4 Hamilton County
96.8
High 0.31 / yr $30M
5 Vanderburgh County
95.9
High 0.17 / yr $13M
6 Clark County
95.2
High 0.27 / yr $15M
7 Porter County
94.4
High 0.32 / yr $14M
8 LaPorte County
92.6
High 0.35 / yr $8M
9 Floyd County
92.2
High 0.11 / yr $9M
10 Wayne County
90.7
High 0.31 / yr $6M
11 Elkhart County
90.6
High 0.23 / yr $7M
12 St. Joseph County
90.5
High 0.22 / yr $8M
13 Delaware County
90.4
High 0.30 / yr $7M
14 Johnson County
89.3
Medium 0.24 / yr $11M
15 Grant County
88.8
Medium 0.33 / yr $5M
16 Bartholomew County
87.3
Medium 0.31 / yr $7M
17 Hendricks County
87.0
Medium 0.31 / yr $10M
18 Kosciusko County
85.9
Medium 0.33 / yr $5M
19 Madison County
85.3
Medium 0.35 / yr $5M
20 Howard County
83.7
Medium 0.23 / yr $5M
21 Tippecanoe County
83.3
Medium 0.41 / yr $5M
22 Vigo County
83.2
Medium 0.30 / yr $4M
23 Jackson County
83.2
Medium 0.39 / yr $6M
24 Monroe County
82.2
Medium 0.30 / yr $5M
25 Harrison County
82.1
Medium 0.37 / yr $5M
26 Jefferson County
82.1
Medium 0.26 / yr $5M
27 LaGrange County
80.9
Medium 0.19 / yr $2M
28 Henry County
80.7
Medium 0.31 / yr $4M
29 Ripley County
79.5
Medium 0.32 / yr $4M
30 Shelby County
78.8
Medium 0.31 / yr $4M
31 Morgan County
77.7
Medium 0.31 / yr $4M
32 Washington County
77.3
Medium 0.39 / yr $3M
33 Orange County
76.7
Medium 0.31 / yr $3M
34 Adams County
75.9
Medium 0.23 / yr $2M
35 Dearborn County
75.5
Medium 0.21 / yr $4M
36 Noble County
74.5
Medium 0.25 / yr $3M
37 Lawrence County
74.3
Medium 0.34 / yr $3M
38 Hancock County
73.9
Medium 0.23 / yr $5M
39 Scott County
72.6
Medium 0.14 / yr $3M
40 Daviess County
72.1
Medium 0.28 / yr $2M
41 Warrick County
71.7
Medium 0.27 / yr $3M
42 Wabash County
71.7
Medium 0.30 / yr $3M
43 Randolph County
69.3
Medium 0.34 / yr $2M
44 Fayette County
68.2
Medium 0.15 / yr $2M
45 Huntington County
67.9
Medium 0.27 / yr $3M
46 Jennings County
67.8
Medium 0.28 / yr $2M
47 DeKalb County
67.6
Medium 0.21 / yr $2M
48 Marshall County
66.3
Medium 0.25 / yr $3M
49 Perry County
64.5
Low 0.29 / yr $2M
50 Greene County
63.5
Low 0.38 / yr $2M
51 Putnam County
63.0
Low 0.37 / yr $2M
52 Jay County
61.7
Low 0.28 / yr $2M
53 Knox County
61.0
Low 0.35 / yr $2M
54 Whitley County
60.9
Low 0.21 / yr $2M
55 Franklin County
60.5
Low 0.28 / yr $2M
56 Crawford County
60.5
Low 0.23 / yr $1M
57 Cass County
60.4
Low 0.30 / yr $1M
58 Steuben County
60.4
Low 0.16 / yr $2M
59 Starke County
59.7
Low 0.19 / yr $2M
60 Decatur County
59.5
Low 0.27 / yr $3M
61 Miami County
59.2
Low 0.28 / yr $2M
62 Wells County
59.1
Low 0.26 / yr $2M
63 Dubois County
58.7
Low 0.32 / yr $2M
64 Clinton County
56.7
Low 0.31 / yr $2M
65 Posey County
55.9
Low 0.30 / yr $2M
66 Spencer County
55.5
Low 0.29 / yr $2M
67 Rush County
54.8
Low 0.29 / yr $2M
68 White County
52.5
Low 0.40 / yr $1M
69 Brown County
51.1
Low 0.23 / yr $1M
70 Fulton County
50.8
Low 0.26 / yr $1M
71 Switzerland County
49.2
Low 0.15 / yr $1M
72 Montgomery County
48.3
Low 0.40 / yr $1M
73 Sullivan County
48.0
Low 0.31 / yr $1M
74 Parke County
47.5
Low 0.35 / yr $976K
75 Jasper County
46.2
Low 0.43 / yr $1M
76 Owen County
45.8
Low 0.28 / yr $1M
77 Clay County
45.3
Low 0.26 / yr $1M
78 Blackford County
45.2
Low 0.12 / yr $984K
79 Carroll County
42.6
Low 0.29 / yr $1M
80 Tipton County
42.2
Low 0.20 / yr $1M
81 Pike County
40.3
Low 0.24 / yr $752K
82 Boone County
39.6
Low 0.32 / yr $2M
83 Vermillion County
39.5
Low 0.22 / yr $784K
84 Gibson County
38.7
Low 0.34 / yr $934K
85 Fountain County
36.9
Low 0.33 / yr $810K
86 Martin County
34.7
Low 0.25 / yr $653K
87 Pulaski County
34.6
Low 0.33 / yr $668K
88 Ohio County
34.5
Low 0.06 / yr $780K
89 Newton County
32.5
Low 0.32 / yr $658K
90 Benton County
29.5
Low 0.35 / yr $541K
91 Union County
28.4
Low 0.12 / yr $617K
92 Warren County
23.8
Very Low 0.32 / yr $415K

92 Indiana counties with measurable tornado risk. See the national tornado ranking or all Indiana counties by overall risk.

Frequently Asked Questions

Which Indiana county has the highest tornado risk?

Lake County has the highest FEMA tornado risk score in Indiana at 99.1 (Very High), with $41M in expected annual losses and about 0.42 events per year.

How many Indiana counties face significant tornado risk?

92 Indiana counties record measurable tornado risk in FEMA's National Risk Index; 13 of them are rated High or Very High.

Other Hazards in Indiana

Coastal Flood Cold Wave Drought Earthquake Hail Heat Wave Hurricane Ice Storm Riverine Flood Landslide Lightning Strong Wind Wildfire Winter Weather