Hailstory

Hail history in Iowa

Counties ranked by days of 1-inch hail on radar since October 2020.

RankCounty1-inch daysLargest
1Franklin County636.95 in
2Plymouth County614.75 in
3Mitchell County586.45 in
4Story County585.7 in
5Woodbury County564.75 in
6Adair County553.3 in
7Jasper County532.7 in
8Sioux County522.8 in
9Cass County513.3 in
10Madison County502.65 in
11Pottawattamie County493 in
12Cherokee County483.6 in
13Kossuth County482.15 in
14Dallas County473.75 in
15Guthrie County462.3 in
16Marion County462.8 in
17Polk County463.75 in
18O'Brien County453.95 in
19Webster County453.45 in
20Hardin County442.85 in
21Harrison County433.4 in
22Sac County412.5 in
23Van Buren County413.45 in
24Marshall County402.95 in
25Mills County403.7 in
26Palo Alto County402.75 in
27Union County403.05 in
28Warren County402.65 in
29Boone County393.8 in
30Monona County394.3 in
31Lee County382.45 in
32Osceola County382.2 in
33Page County384.2 in
34Clay County373.6 in
35Ringgold County373.05 in
36Shelby County372.7 in
37Adams County363.15 in
38Crawford County363.45 in
39Jefferson County363.4 in
40Mahaska County362.55 in
41Poweshiek County362.95 in
42Tama County362.75 in
43Lyon County353.05 in
44Calhoun County342.5 in
45Clarke County343.05 in
46Dickinson County342.25 in
47Floyd County342.7 in
48Hancock County342.85 in
49Howard County344.45 in
50Montgomery County343.25 in
51Taylor County343.85 in
52Wayne County342.45 in
53Greene County332.05 in
54Hamilton County333.45 in
55Keokuk County332.7 in
56Pocahontas County333.1 in
57Wapello County332.75 in
58Washington County333.05 in
59Buchanan County322.3 in
60Buena Vista County323.6 in
61Fremont County323.7 in
62Grundy County322.85 in
63Wright County322.35 in
64Butler County312.55 in
65Davis County312.55 in
66Carroll County303.5 in
67Lucas County302.85 in
68Monroe County303.8 in
69Audubon County292.5 in
70Decatur County293.2 in
71Delaware County292.8 in
72Henry County293.4 in
73Ida County292.75 in
74Appanoose County282.35 in
75Benton County282.15 in
76Black Hawk County282.6 in
77Dubuque County282.05 in
78Emmet County281.85 in
79Allamakee County273.05 in
80Des Moines County273.95 in
81Winneshiek County276.05 in
82Cedar County262.6 in
83Clayton County267.75 in
84Humboldt County252.7 in
85Iowa County253.55 in
86Bremer County242.85 in
87Cerro Gordo County242.55 in
88Fayette County246.2 in
89Jones County242 in
90Muscatine County242.15 in
91Jackson County232.45 in
92Linn County232.15 in
93Louisa County232.3 in
94Winnebago County237.4 in
95Clinton County222.05 in
96Scott County221.75 in
97Johnson County215.65 in
98Worth County212.65 in
99Chickasaw County182.2 in