Hail History

Hail history for Mercer, Missouri

NOAA hail reports in and within about 5 km (3 miles) of Mercer since 1997, with preliminary reports to November 3, 2026.

Readout · Mercer

Last hail
May 26, 2024
1.00 in, quarter size
Hail days, last 5 years
2
since Nov 3, 2021 · 2 reports
Largest ever
1.75 in
golf ball · Jun 20, 2021

12 reports on 12 days since 1997 · #422 of 491 Missouri places

Hail map · Mercer

Mercer Princeton Lucerne Newtown 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
12 most recent reports with a location; Mercer County is shaded. Open street map

For homeowners

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What the record says about Mercer

The latest hail report in and around Mercer is from May 26, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on May 26, 2024.

Over the 20 years 2006–2025, Mercer logged 6 reports on 6 hail days, about 0.3 reports a year. That is 40% less than the median Missouri town on this site (0.5 a year) and ranks #422 of 491 Missouri cities and towns on this site for all-time reports. Mercer accounts for 13% of the 89 reports filed in Mercer County.

0% 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 1.75 in (golf ball) on June 20, 2021 near 0.69 S Mercer.

Hail here peaks in April (33% of reports); 75% fall between April and June.

Reports a year 2006–2025 average

  • Mercer 0.3
  • Mercer County 1.9
  • Median Missouri town on this site 0.5

Hail days 2006–2025

  • Mercer 6
  • Mercer County 25
  • Median Missouri town on this site 9

Share 2 in or larger of sized reports

  • Mercer 0%
  • Mercer County 7%
  • Median Missouri town on this site 5%

Hail over time

01 1997: 1 reports, largest 0.75 in 2000: 1 reports, largest 1.75 in 2000 2001: 1 reports, largest 0.88 in 2002: 1 reports, largest 0.88 in 2003: 1 reports, largest 0.75 in 2005: 1 reports, largest 1.00 in 2005 2010 2013: 1 reports, largest 1.00 in 2015: 1 reports, largest 0.88 in 2015 2018: 1 reports, largest 1.75 in 2020 2021: 1 reports, largest 1.75 in 2022: 1 reports, largest 1.00 in 2024: 1 reports, largest 1.00 in 2025
Reports per year, 1997–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb Mar April: 4 reports (33%) Apr May: 3 reports (25%) May June: 2 reports (17%) Jun July: 1 reports (8%) Jul August: 1 reports (8%) Aug September: 1 reports (8%) Sep Oct Nov Dec
All 12 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 1 1
2023 0
2022 1 1
2021 1 1
2020 0
2019 0
2018 1 1
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 26, 2024 1 1.00 in —
May 17, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Mercer
Date Size Location County Time · source
Jun 20, 2021 1.75 ingolf ball 0.69 S Mercer Mercer 17:58 local · NCEI
Aug 6, 2018 1.75 ingolf ball 2.21 WNW Ravena Mercer 19:10 local · NCEI
Apr 20, 2000 1.75 ingolf ball Mercer Mercer 00:49 local · NCEI
May 26, 2024 1.00 inquarter 0.73 S Mercer Mercer 20:00 local · NCEI
May 17, 2022 1.00 inquarter 0.69 S Mercer Mercer 16:14 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Mercer
Date Size Location County Time · source
May 26, 2024 1.00 inquarter 0.73 S Mercer Mercer 20:00 local · NCEI
May 17, 2022 1.00 inquarter 0.69 S Mercer Mercer 16:14 local · NCEI
Jun 20, 2021 1.75 ingolf ball 0.69 S Mercer Mercer 17:58 local · NCEI
Aug 6, 2018 1.75 ingolf ball 2.21 WNW Ravena Mercer 19:10 local · NCEI
Jun 11, 2015 0.88 innickel 0.69 S Mercer Mercer 18:05 local · NCEI
Jul 2, 2013 1.00 inquarter 0.69 S Mercer Mercer 16:36 local · NCEI
Sep 19, 2005 1.00 inquarter 2 W Mercer Mercer 12:30 local · NCEI
Apr 30, 2003 0.75 inpenny 9 N Princeton Mercer 18:57 local · NCEI
Apr 24, 2002 0.88 innickel 1 WSW Mercer Mercer 10:20 local · NCEI
Apr 5, 2001 0.88 innickel Mercer Mercer 15:44 local · NCEI
Apr 20, 2000 1.75 ingolf ball Mercer Mercer 00:49 local · NCEI
May 2, 1997 0.75 inpenny Mercer Mercer 18:26 local · NCEI

Hail history near Mercer

Questions about hail in Mercer

How often does it hail in Mercer, Missouri?

12 hail reports have been logged in and within about 5 km (3 miles) of Mercer since 1997. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #422 of 491 Missouri places by number of reports.

When is hail season in Mercer?

Most reports come in April, May, June. April alone accounts for 33% of all reports.

What is the largest hail recorded in Mercer?

1.75 in (golf ball size) on June 20, 2021 near 0.69 S Mercer. 0% of reports here were 2 inches or larger.

When did it last hail in Mercer?

The most recent report in this data is from May 26, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was May 26, 2024.

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.