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Wisconsin hail risk

72 counties scored 1 rated Very High

Columbia County has the highest hail risk in Wisconsin, scoring 99.3 out of 100 — rated "Very High" by FEMA's National Risk Index. Recorded hail events across Wisconsin have increased 46% over the past five years compared to the prior five-year period.

# County NRI score Rating NOAA events
2016–2026
1 Columbia County 99.3 Very High 28
2 Dane County 98.9 Relatively High 195
3 Waukesha County 96.1 Relatively High 98
4 Manitowoc County 96 Relatively High 24
5 Brown County 95.7 Relatively High 34
6 Rock County 95.6 Relatively High 58
7 La Crosse County 95.1 Relatively High 63
8 Walworth County 94.8 Relatively High 46
9 Winnebago County 93.8 Relatively Moderate 14
10 Fond du Lac County 93.7 Relatively Moderate 23
11 Jefferson County 93.4 Relatively Moderate 43
12 Dodge County 93.2 Relatively Moderate 52
13 Green Lake County 93.1 Relatively Moderate 11
14 Outagamie County 93 Relatively Moderate 60
15 Sauk County 92.8 Relatively Moderate 27
16 Adams County 92.6 Relatively Moderate 31
17 Monroe County 92.3 Relatively Moderate 28
18 Marathon County 91.8 Relatively Moderate 61
19 Waushara County 91.4 Relatively Moderate 17
20 Wood County 91.3 Relatively Moderate 43
21 Sheboygan County 91.2 Relatively Moderate 24
22 Grant County 89.7 Relatively Moderate 41
23 Eau Claire County 89.3 Relatively Moderate 27
24 Racine County 89 Relatively Moderate 26
25 Barron County 88.8 Relatively Moderate 26
26 Waupaca County 88.6 Relatively Moderate 31
27 Polk County 88.4 Relatively Moderate 25
28 Kenosha County 88.1 Relatively Moderate 18
29 Juneau County 87.9 Relatively Moderate 31
30 St. Croix County 87.9 Relatively Moderate 75
31 Vernon County 87.3 Relatively Moderate 28
32 Marquette County 87.1 Relatively Moderate 12
33 Green County 86.6 Relatively Moderate 39
34 Washington County 86.5 Relatively Moderate 45
35 Milwaukee County 86.2 Relatively Moderate 69
36 Clark County 85.4 Relatively Moderate 31
37 Richland County 84.5 Relatively Moderate 18
38 Portage County 83.2 Relatively Moderate 29
39 Trempealeau County 82.8 Relatively Moderate 58
40 Crawford County 82.4 Relatively Moderate 12
41 Lafayette County 82.3 Relatively Moderate 20
42 Calumet County 81.9 Relatively Moderate 16
43 Iowa County 80.4 Relatively Moderate 26
44 Dunn County 79.4 Relatively Moderate 28
45 Pierce County 79.3 Relatively Moderate 25
46 Chippewa County 79.2 Relatively Moderate 26
47 Marinette County 75.2 Relatively Moderate 22
48 Jackson County 74 Relatively Moderate 21
49 Oconto County 73.6 Relatively Moderate 24
50 Shawano County 73.2 Relatively Moderate 17
51 Burnett County 72.7 Relatively Low 49
52 Door County 72.1 Relatively Low 16
53 Ozaukee County 71.2 Relatively Low 23
54 Kewaunee County 63.3 Relatively Low 7
55 Buffalo County 62.2 Relatively Low 35
56 Vilas County 61.5 Relatively Low 33
57 Oneida County 51.9 Relatively Low 29
58 Washburn County 50.5 Relatively Low 45
59 Pepin County 50.1 Relatively Low 8
60 Sawyer County 49.7 Relatively Low 70
61 Taylor County 49.3 Relatively Low 30
62 Forest County 45.7 Relatively Low 10
63 Florence County 45.1 Relatively Low 5
64 Lincoln County 44.6 Relatively Low 22
65 Douglas County 44.4 Relatively Low 38
66 Rusk County 39.9 Relatively Low 14
67 Langlade County 33 Very Low 11
68 Bayfield County 29.2 Very Low 36
69 Ashland County 23.5 Very Low 15
70 Menominee County 21.8 Very Low 1
71 Iron County 18.1 Very Low 19
72 Price County 14.4 Very Low 36

Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.

Hail risk nationally:

Top 50 US counties

Other hazard risks in Wisconsin:

WildfireInland FloodingCoastal FloodingEarthquakeHeat WaveTornadoHurricaneStrong WindWinter WeatherIce StormCold WaveLightningDroughtLandslideAvalancheTsunamiVolcanic Activity

Frequently asked questions

What is the highest hail risk county in Wisconsin?

Columbia County, WI has the highest hail risk in Wisconsin, with a FEMA National Risk Index score of 99.3 out of 100 (rated "Very High").

How many counties in Wisconsin are rated Very High for hail risk?

1 of 72 scored Wisconsin counties are rated "Very High" for hail risk by FEMA's National Risk Index.

What causes hail risk in Wisconsin?

Hail risk reflects expected annual losses from damaging hailstones to structures, vehicles, and crops. High scores cluster in the central plains and Front Range — a corridor sometimes called "Hail Alley" — where large-diameter hail is most frequent. Hail causes over $10 billion in US property damage in active years, much of it to roofs, vehicles, and crops.