Lightning Risk in Minnesota

All Minnesota counties ranked by FEMA National Risk Index lightning score

Lightning risk — electrical discharges from storms that ignite fires and cause casualties — is rated for 87 of 87 Minnesota counties in FEMA's National Risk Index. St. Louis County carries the state's highest lightning score at 97.6, with $3M in expected annual lightning losses.

7 Minnesota counties are rated High or Very High for lightning, and expected annual losses from lightning total roughly $25M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Lightning

#CountyLightning ScoreRatingAnn. Freq.Ann. Loss
1 St. Louis County
97.6
Very High 27.24 / yr $3M
2 Anoka County
92.0
High 33.95 / yr $2M
3 Hennepin County
90.3
High 35.98 / yr $1M
4 Morrison County
88.5
High 31.52 / yr $1M
5 Washington County
88.4
High 35.30 / yr $2M
6 Stearns County
86.5
High 32.88 / yr $1M
7 Dakota County
84.8
High 37.40 / yr $2M
8 Itasca County
77.3
Medium 28.40 / yr $552K
9 Cook County
76.3
Medium 22.85 / yr $543K
10 Ramsey County
73.1
Medium 35.52 / yr $610K
11 Pine County
72.1
Medium 31.29 / yr $510K
12 Crow Wing County
71.8
Medium 30.33 / yr $555K
13 Lake County
70.5
Medium 25.12 / yr $502K
14 Carlton County
65.9
Medium 29.73 / yr $471K
15 Wright County
62.9
Medium 35.37 / yr $698K
16 Sherburne County
61.0
Medium 33.58 / yr $605K
17 Todd County
55.7
Low 31.33 / yr $259K
18 Olmsted County
54.4
Low 37.42 / yr $527K
19 Chisago County
54.2
Low 33.17 / yr $438K
20 Cass County
54.0
Low 29.36 / yr $213K
21 Scott County
51.4
Low 37.36 / yr $449K
22 Aitkin County
50.6
Low 29.82 / yr $193K
23 Benton County
49.9
Low 32.70 / yr $250K
24 Otter Tail County
49.1
Low 30.86 / yr $208K
25 Winona County
46.5
Low 36.91 / yr $223K
26 Kandiyohi County
45.9
Low 34.42 / yr $212K
27 Beltrami County
44.8
Low 27.36 / yr $181K
28 Rice County
43.0
Low 37.61 / yr $190K
29 Isanti County
42.5
Low 33.17 / yr $303K
30 Douglas County
42.2
Low 31.76 / yr $203K
31 Kanabec County
40.7
Low 32.21 / yr $185K
32 Mille Lacs County
40.2
Low 32.54 / yr $193K
33 Carver County
38.7
Low 36.52 / yr $300K
34 Nobles County
31.1
Low 38.38 / yr $93K
35 Goodhue County
31.0
Low 37.26 / yr $216K
36 Clay County
30.4
Low 29.68 / yr $142K
37 Wadena County
30.2
Low 29.92 / yr $101K
38 Meeker County
29.5
Low 35.17 / yr $142K
39 Hubbard County
28.1
Low 28.15 / yr $101K
40 Faribault County
26.4
Low 39.31 / yr $85K
41 Wabasha County
24.8
Low 36.98 / yr $106K
42 Koochiching County
23.7
Very Low 27.12 / yr $70K
43 Houston County
23.5
Very Low 37.03 / yr $119K
44 Mower County
23.4
Very Low 38.60 / yr $83K
45 Blue Earth County
22.3
Very Low 37.47 / yr $82K
46 McLeod County
22.2
Very Low 36.03 / yr $90K
47 Roseau County
21.1
Very Low 26.36 / yr $82K
48 Becker County
20.7
Very Low 29.23 / yr $71K
49 Martin County
20.5
Very Low 38.68 / yr $64K
50 Steele County
20.2
Very Low 37.98 / yr $128K
51 Dodge County
19.7
Very Low 37.84 / yr $112K
52 Fillmore County
19.4
Very Low 37.08 / yr $70K
53 Jackson County
18.8
Very Low 37.90 / yr $80K
54 Redwood County
18.2
Very Low 36.44 / yr $64K
55 Watonwan County
17.4
Very Low 37.56 / yr $58K
56 Freeborn County
17.1
Very Low 39.49 / yr $61K
57 Mahnomen County
16.0
Very Low 28.74 / yr $34K
58 Polk County
15.5
Very Low 27.56 / yr $55K
59 Pope County
15.4
Very Low 33.79 / yr $59K
60 Renville County
15.2
Very Low 35.60 / yr $51K
61 Chippewa County
14.4
Very Low 34.71 / yr $43K
62 Pennington County
14.2
Very Low 26.93 / yr $58K
63 Swift County
12.6
Very Low 34.09 / yr $41K
64 Nicollet County
10.8
Very Low 36.65 / yr $46K
65 Grant County
10.1
Very Low 32.27 / yr $56K
66 Marshall County
9.5
Very Low 26.63 / yr $37K
67 Cottonwood County
9.3
Very Low 37.22 / yr $29K
68 Waseca County
9.3
Very Low 38.53 / yr $33K
69 Le Sueur County
8.8
Very Low 37.42 / yr $51K
70 Clearwater County
8.4
Very Low 27.47 / yr $29K
71 Stevens County
8.3
Very Low 33.22 / yr $47K
72 Sibley County
6.8
Very Low 36.59 / yr $37K
73 Big Stone County
6.5
Very Low 33.20 / yr $21K
74 Kittson County
6.5
Very Low 26.14 / yr $38K
75 Brown County
6.4
Very Low 36.74 / yr $30K
76 Traverse County
5.4
Very Low 32.43 / yr $18K
77 Norman County
5.2
Very Low 28.82 / yr $16K
78 Lyon County
4.5
Very Low 35.97 / yr $22K
79 Murray County
4.0
Very Low 37.30 / yr $14K
80 Lac qui Parle County
3.5
Very Low 34.50 / yr $12K
81 Wilkin County
3.3
Very Low 31.89 / yr $16K
82 Red Lake County
3.3
Very Low 27.27 / yr $17K
83 Yellow Medicine County
3.1
Very Low 35.30 / yr $11K
84 Pipestone County
2.8
Very Low 37.24 / yr $13K
85 Lincoln County
1.9
Very Low 35.57 / yr $7K
86 Lake of the Woods County
1.8
Very Low 26.58 / yr $11K
87 Rock County
1.4
Very Low 38.60 / yr $7K

87 Minnesota counties with measurable lightning risk. See the national lightning ranking or all Minnesota counties by overall risk.

Frequently Asked Questions

Which Minnesota county has the highest lightning risk?

St. Louis County has the highest FEMA lightning risk score in Minnesota at 97.6 (Very High), with $3M in expected annual losses and about 27.24 events per year.

How many Minnesota counties face significant lightning risk?

87 Minnesota counties record measurable lightning risk in FEMA's National Risk Index; 7 of them are rated High or Very High.

Other Hazards in Minnesota