Missouri sits at #4 of 44 states we track on hail density: 98.8 reports per 1,000 square miles, 4,500 reports in 71 counties. The state's largest stone, 5 inches (a softball), fell in Cass County on July 17, 2023. Top three: Greene County (194), St. Louis County (193), Jackson County (152). No single county dominates.
4,500reports
71counties
5 inlargest stone
98.8per 1,000 sq mi
Year by year
Hail reports in Missouri, by year
Year
Reports
Largest
2014
429
4.25 in
2015
365
4 in
2016
335
4 in
2017
604
4.25 in
2018
295
3 in
2019
261
2.75 in
2020
232
4.5 in
2021
143
2 in
2022
196
4 in
2023
459
5 in
2024
424
4 in
2025
449
3 in
2026 (Jan–Jun)
308
4.75 in
2017 was the busiest year (604 reports) and 2021 the quietest (143). 382 reports a year in 2014 to 2019 against 317 in 2020 to 2025: close to flat. 2026 stands at 308 through June, against a full-year average of 349. NOAA puts reported hail damage at $929 million over the period.
Missouri: reports by month
Hail reports in Missouri by month
Jan
12
Feb
128
Mar
912
Apr
1148
May
1326
Jun
313
Jul
222
Aug
147
Sep
147
Oct
68
Nov
37
Dec
40
May is the peak at 29% of reports; April follows with 26%. March to May alone bring 75%. 1,197 of 4,500 reports fell outside April to September.
Median build year in Missouri: 1978. 78.5% of 2,809,501 homes predate 2000. Houses permitted since 2014: 137,713, or 49.0 per 1,000 homes. Busiest year: 2021.
