Tornado Risk in Missouri

All Missouri counties ranked by FEMA National Risk Index tornado score

Tornado risk — violently rotating columns of air capable of catastrophic local damage — is rated for 115 of 115 Missouri counties in FEMA's National Risk Index. Jackson County carries the state's highest tornado score at 99.5, with $62M in expected annual tornado losses.

9 Missouri counties are rated High or Very High for tornado, and expected annual losses from tornado total roughly $450M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Tornado

#CountyTornado ScoreRatingAnn. Freq.Ann. Loss
1 Jackson County
99.5
Very High 0.38 / yr $62M
2 St. Louis City
98.9
Very High 0.06 / yr $28M
3 St. Louis County
98.1
High 0.41 / yr $26M
4 St. Charles County
96.4
High 0.46 / yr $28M
5 Clay County
96.2
High 0.27 / yr $21M
6 Jasper County
95.6
High 0.52 / yr $13M
7 Jefferson County
95.1
High 0.48 / yr $16M
8 Greene County
94.9
High 0.51 / yr $13M
9 Boone County
92.3
High 0.32 / yr $11M
10 Butler County
90.1
Medium 0.52 / yr $7M
11 Scott County
89.9
Medium 0.37 / yr $6M
12 Cass County
89.9
Medium 0.42 / yr $9M
13 Buchanan County
89.7
Medium 0.30 / yr $7M
14 Platte County
88.0
Medium 0.30 / yr $10M
15 Newton County
87.9
Medium 0.57 / yr $6M
16 Franklin County
86.5
Medium 0.60 / yr $7M
17 St. Francois County
85.1
Medium 0.32 / yr $5M
18 Barry County
85.0
Medium 0.65 / yr $5M
19 Cole County
84.3
Medium 0.19 / yr $7M
20 Lawrence County
84.1
Medium 0.51 / yr $4M
21 Camden County
83.9
Medium 0.41 / yr $4M
22 Pemiscot County
83.8
Medium 0.44 / yr $3M
23 Christian County
80.8
Medium 0.41 / yr $6M
24 Pettis County
80.5
Medium 0.35 / yr $4M
25 Morgan County
79.1
Medium 0.32 / yr $2M
26 Taney County
77.7
Medium 0.44 / yr $3M
27 Cape Girardeau County
77.6
Medium 0.49 / yr $4M
28 Howell County
76.6
Medium 0.47 / yr $3M
29 Stoddard County
75.3
Medium 0.68 / yr $3M
30 Nodaway County
75.3
Medium 0.65 / yr $4M
31 Adair County
75.2
Medium 0.27 / yr $4M
32 Benton County
74.7
Medium 0.42 / yr $2M
33 Dunklin County
73.7
Medium 0.44 / yr $2M
34 Polk County
73.5
Medium 0.45 / yr $2M
35 McDonald County
73.3
Medium 0.49 / yr $3M
36 Lincoln County
72.9
Medium 0.46 / yr $3M
37 Clinton County
72.4
Medium 0.28 / yr $3M
38 Wayne County
70.1
Medium 0.52 / yr $2M
39 Miller County
69.5
Medium 0.31 / yr $2M
40 Stone County
69.1
Medium 0.40 / yr $2M
41 Mississippi County
68.0
Medium 0.38 / yr $2M
42 Randolph County
67.7
Medium 0.22 / yr $3M
43 Linn County
66.9
Medium 0.26 / yr $2M
44 Lafayette County
66.2
Medium 0.34 / yr $3M
45 Macon County
66.0
Medium 0.35 / yr $2M
46 Webster County
65.6
Medium 0.41 / yr $3M
47 Andrew County
65.5
Medium 0.29 / yr $3M
48 Washington County
65.2
Medium 0.48 / yr $2M
49 Livingston County
64.9
Medium 0.25 / yr $2M
50 Grundy County
64.7
Low 0.21 / yr $2M
51 Barton County
64.5
Low 0.44 / yr $2M
52 Cedar County
63.3
Low 0.33 / yr $2M
53 Texas County
63.1
Low 0.61 / yr $1M
54 Henry County
62.4
Low 0.42 / yr $2M
55 Oregon County
62.0
Low 0.44 / yr $1M
56 Callaway County
61.6
Low 0.43 / yr $2M
57 Pulaski County
61.5
Low 0.31 / yr $3M
58 Saline County
60.5
Low 0.36 / yr $2M
59 Dallas County
60.4
Low 0.35 / yr $1M
60 New Madrid County
59.5
Low 0.62 / yr $2M
61 Laclede County
58.9
Low 0.47 / yr $2M
62 Iron County
58.4
Low 0.34 / yr $1M
63 Perry County
58.3
Low 0.40 / yr $2M
64 Harrison County
58.1
Low 0.43 / yr $1M
65 Ste. Genevieve County
57.9
Low 0.41 / yr $2M
66 Ray County
57.9
Low 0.32 / yr $2M
67 Ripley County
57.8
Low 0.42 / yr $1M
68 Johnson County
57.2
Low 0.45 / yr $2M
69 Wright County
57.1
Low 0.41 / yr $1M
70 Carroll County
56.8
Low 0.34 / yr $1M
71 Daviess County
56.6
Low 0.30 / yr $1M
72 DeKalb County
56.4
Low 0.26 / yr $2M
73 Moniteau County
56.2
Low 0.20 / yr $1M
74 Audrain County
55.8
Low 0.35 / yr $1M
75 Warren County
55.2
Low 0.28 / yr $2M
76 Gentry County
53.8
Low 0.32 / yr $1M
77 Osage County
53.6
Low 0.33 / yr $2M
78 Bollinger County
53.5
Low 0.46 / yr $2M
79 Crawford County
52.9
Low 0.41 / yr $1M
80 Bates County
52.8
Low 0.51 / yr $1M
81 Madison County
51.9
Low 0.36 / yr $1M
82 Ozark County
51.8
Low 0.45 / yr $783K
83 Scotland County
51.8
Low 0.23 / yr $775K
84 Vernon County
51.3
Low 0.53 / yr $1M
85 Cooper County
50.8
Low 0.27 / yr $2M
86 Chariton County
50.6
Low 0.34 / yr $1M
87 Sullivan County
47.7
Low 0.30 / yr $1M
88 Hickory County
46.5
Low 0.27 / yr $745K
89 Douglas County
46.1
Low 0.51 / yr $878K
90 Marion County
45.8
Low 0.25 / yr $1M
91 Dade County
45.7
Low 0.40 / yr $883K
92 Dent County
44.9
Low 0.37 / yr $995K
93 Shannon County
44.7
Low 0.51 / yr $645K
94 Howard County
44.6
Low 0.22 / yr $1M
95 Mercer County
44.0
Low 0.24 / yr $755K
96 Maries County
43.9
Low 0.27 / yr $1M
97 Atchison County
43.6
Low 0.46 / yr $897K
98 Monroe County
43.2
Low 0.32 / yr $895K
99 Putnam County
43.0
Low 0.26 / yr $778K
100 Reynolds County
42.5
Low 0.46 / yr $807K
101 Holt County
40.8
Low 0.36 / yr $963K
102 Carter County
40.1
Low 0.30 / yr $518K
103 Knox County
39.6
Low 0.25 / yr $661K
104 Phelps County
38.5
Low 0.33 / yr $843K
105 Schuyler County
38.4
Low 0.16 / yr $616K
106 Pike County
37.9
Low 0.46 / yr $799K
107 Caldwell County
37.7
Low 0.24 / yr $645K
108 Shelby County
37.2
Low 0.24 / yr $806K
109 St. Clair County
36.1
Low 0.43 / yr $510K
110 Gasconade County
35.2
Low 0.30 / yr $781K
111 Lewis County
32.8
Low 0.29 / yr $536K
112 Montgomery County
32.7
Low 0.32 / yr $484K
113 Clark County
25.6
Very Low 0.31 / yr $331K
114 Worth County
23.5
Very Low 0.18 / yr $315K
115 Ralls County
21.2
Very Low 0.26 / yr $376K

115 Missouri counties with measurable tornado risk. See the national tornado ranking or all Missouri counties by overall risk.

Frequently Asked Questions

Which Missouri county has the highest tornado risk?

Jackson County has the highest FEMA tornado risk score in Missouri at 99.5 (Very High), with $62M in expected annual losses and about 0.38 events per year.

How many Missouri counties face significant tornado risk?

115 Missouri counties record measurable tornado risk in FEMA's National Risk Index; 9 of them are rated High or Very High.

Other Hazards in Missouri

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