Hail History

Hail history for Harrisburg, Missouri

NOAA hail reports in and within about 5 km (3 miles) of Harrisburg since 1996, with preliminary reports to November 3, 2026.

Readout · Harrisburg

Last hail
Apr 4, 2023
2.75 in, baseball size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
4.00 in
grapefruit · May 11, 2005

16 reports on 11 days since 1996 · #303 of 491 Missouri places

Hail map · Harrisburg

Harrisburg Sturgeon Fayette Hallsville Rocheport Columbia New Franklin Centralia 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
16 most recent reports with a location; Boone County is shaded. Open street map

For homeowners

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What the record says about Harrisburg

The latest hail report in and around Harrisburg is from April 4, 2023, 2.75 in (baseball size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 2.75 in on April 4, 2023.

Over the 20 years 2006–2025, Harrisburg logged 7 reports on 5 hail days, about 0.3 reports a year. That is 30% less than the median Missouri town on this site (0.5 a year) and ranks #303 of 491 Missouri cities and towns on this site for all-time reports. Harrisburg accounts for 4% of the 372 reports filed in Boone County.

13% of reports with a size were 2 inches (hen egg) or larger, against 5% for the median Missouri town on this site. The largest hail on record here is 4.00 in (grapefruit) on May 11, 2005 near Harrisburg.

The busiest year was 2005, with 4 reports on 2 days. Hail here peaks in May (38% of reports); 69% fall between April and June.

Reports a year 2006–2025 average

  • Harrisburg 0.3
  • Boone County 7.8
  • Median Missouri town on this site 0.5

Hail days 2006–2025

  • Harrisburg 5
  • Boone County 70
  • Median Missouri town on this site 9

Share 2 in or larger of sized reports

  • Harrisburg 13%
  • Boone County 5%
  • Median Missouri town on this site 5%

Hail over time

01234 1996: 1 reports, largest 0.75 in 2000: 1 reports, largest 0.88 in 2000 2001: 1 reports, largest 1.00 in 2003: 2 reports, largest 1.00 in 2005: 4 reports, largest 4.00 in 2005 2006: 3 reports, largest 1.00 in 2008: 1 reports, largest 0.88 in 2010 2013: 1 reports, largest 1.00 in 2014: 1 reports, largest 1.00 in 2015 2020 2023: 1 reports, largest 2.75 in 2025
Reports per year, 1996–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb March: 4 reports (25%) Mar April: 3 reports (19%) Apr May: 6 reports (38%) May June: 2 reports (13%) Jun Jul Aug Sep Oct November: 1 reports (6%) Nov Dec
All 16 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 1 1
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 4, 2023 1 2.75 in —

Largest hail on record

Largest hail reports in Harrisburg
Date Size Location County Time · source
May 11, 2005 4.00 ingrapefruit Harrisburg Boone 13:20 local · NCEI
Apr 4, 2023 2.75 inbaseball 0.62 SSE Harrisburg Boone 14:30 local · NCEI
May 11, 2005 1.75 ingolf ball 4 E Harrisburg Boone 13:40 local · NCEI
Mar 27, 2014 1.00 inquarter 0.71 SE Harrisburg Boone 16:06 local · NCEI
Apr 17, 2013 1.00 inquarter 2.83 NNE Woodlandville Boone 17:20 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Harrisburg
Date Size Location County Time · source
Apr 4, 2023 2.75 inbaseball 0.62 SSE Harrisburg Boone 14:30 local · NCEI
Mar 27, 2014 1.00 inquarter 0.71 SE Harrisburg Boone 16:06 local · NCEI
Apr 17, 2013 1.00 inquarter 2.83 NNE Woodlandville Boone 17:20 local · NCEI
Jun 24, 2008 0.88 innickel 7 NNE Hilldale Howard 18:05 local · NCEI
Mar 30, 2006 0.88 innickel 4 SE Harrisburg Boone 21:43 local · NCEI
Mar 30, 2006 0.88 innickel 3 SE Harrisburg Boone 21:40 local · NCEI
Mar 30, 2006 1.00 inquarter Harrisburg Boone 21:40 local · NCEI
Nov 5, 2005 1.00 inquarter Harrisburg Boone 17:25 local · NCEI
May 11, 2005 1.75 ingolf ball 4 E Harrisburg Boone 13:40 local · NCEI
May 11, 2005 4.00 ingrapefruit Harrisburg Boone 13:20 local · NCEI
May 11, 2005 0.88 innickel Harrisburg Boone 13:10 local · NCEI
May 8, 2003 1.00 inquarter Harrisburg Boone 11:25 local · NCEI

Hail history near Harrisburg

Questions about hail in Harrisburg

How often does it hail in Harrisburg, Missouri?

16 hail reports have been logged in and within about 5 km (3 miles) of Harrisburg since 1996. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #303 of 491 Missouri places by number of reports.

When is hail season in Harrisburg?

Most reports come in May, March, April. May alone accounts for 38% of all reports.

What is the largest hail recorded in Harrisburg?

4.00 in (grapefruit size) on May 11, 2005 near Harrisburg. 13% of reports here were 2 inches or larger.

When did it last hail in Harrisburg?

The most recent report in this data is from April 4, 2023 (2.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Harrisburg had in the last five years?

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was April 4, 2023.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.