Hail History

Hail history for Gravois Mills, Missouri

NOAA hail reports in and within about 5 km (3 miles) of Gravois Mills since 1982, with preliminary reports to November 3, 2026.

Readout · Gravois Mills

Last hail
Apr 28, 2026
1.50 in, ping pong ball size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
1.75 in
golf ball · Mar 12, 2006

29 reports on 25 days since 1982 · #140 of 491 Missouri places

Hail map · Gravois Mills

Gravois Mills Laurie Versailles Village of Four Seasons Barnett Lake Ozark Stover Bagnell 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
29 most recent reports with a location; Morgan County is shaded. Open street map

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What the record says about Gravois Mills

The latest hail report in and around Gravois Mills is from April 28, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.50 in on April 28, 2026.

Over the 20 years 2006–2025, Gravois Mills logged 11 reports on 9 hail days, about 0.6 reports a year. That is 10% more than the median Missouri town on this site (0.5 a year) and ranks #140 of 491 Missouri cities and towns on this site for all-time reports. Gravois Mills accounts for 15% of the 196 reports filed in Morgan 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 March 12, 2006 near Gravois Mills.

Reports were down 90% in 2016–2025 (1) compared with 2006–2015 (10). The busiest year was 2003, with 4 reports on 4 days. Hail here peaks in March (21% of reports); 52% fall between April and June.

Reports a year 2006–2025 average

  • Gravois Mills 0.6
  • Morgan County 3.9
  • Median Missouri town on this site 0.5

Hail days 2006–2025

  • Gravois Mills 9
  • Morgan County 45
  • Median Missouri town on this site 9

Share 2 in or larger of sized reports

  • Gravois Mills 0%
  • Morgan County 5%
  • Median Missouri town on this site 5%

Hail over time

01234 1982: 1 reports, largest 1.00 in 1985: 2 reports, largest 1.00 in 1990 1996: 1 reports, largest 0.75 in 1998: 1 reports, largest 0.75 in 2000 2001: 4 reports, largest 1.25 in 2002: 2 reports, largest 1.00 in 2003: 4 reports, largest 1.75 in 2004: 2 reports, largest 1.00 in 2006: 3 reports, largest 1.75 in 2007: 1 reports, largest 0.75 in 2010 2011: 1 reports, largest 0.88 in 2012: 2 reports, largest 1.00 in 2013: 2 reports, largest 1.00 in 2014: 1 reports, largest 1.00 in 2017: 1 reports, largest 1.00 in 2020 2026: 1 reports, largest 1.50 in
Reports per year, 1982–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb March: 6 reports (21%) Mar April: 5 reports (17%) Apr May: 6 reports (21%) May June: 4 reports (14%) Jun July: 2 reports (7%) Jul August: 2 reports (7%) Aug September: 1 reports (3%) Sep October: 3 reports (10%) Oct Nov Dec
All 29 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 28, 2026 1 1.50 in —

Largest hail on record

Largest hail reports in Gravois Mills
Date Size Location County Time · source
Mar 12, 2006 1.75 ingolf ball Gravois Mills Morgan 23:09 local · NCEI
Jul 11, 2003 1.75 ingolf ball Gravois Mills Morgan 21:18 local · NCEI
Apr 28, 2026 1.50 inping pong ball 2.14 NNW Gravois Mills Morgan 13:29 local · NCEI
May 20, 2001 1.25 inhalf dollar Gravois Mills Morgan 20:30 local · NCEI
Mar 1, 2017 1.00 inquarter 2.14 NNW Gravois Mills Morgan 00:10 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Gravois Mills
Date Size Location County Time · source
Apr 28, 2026 1.50 inping pong ball 2.14 NNW Gravois Mills Morgan 13:29 local · NCEI
Mar 1, 2017 1.00 inquarter 2.14 NNW Gravois Mills Morgan 00:10 local · NCEI
Mar 27, 2014 1.00 inquarter 0.88 SW Gravois Mills Morgan 16:45 local · NCEI
May 30, 2013 0.88 innickel 0.88 SW Gravois Mills Morgan 14:28 local · NCEI
May 30, 2013 1.00 inquarter 0.88 SW Gravois Mills Morgan 14:25 local · NCEI
Mar 2, 2012 0.88 innickel 0.88 SW Gravois Mills Morgan 03:40 local · NCEI
Mar 2, 2012 1.00 inquarter 0.88 SW Gravois Mills Morgan 03:19 local · NCEI
May 22, 2011 0.88 innickel 0.88 SW Gravois Mills Morgan 16:30 local · NCEI
Mar 1, 2007 0.75 inpenny 0.88 SW Gravois Mills Morgan 03:40 local · NCEI
Jun 22, 2006 0.75 inpenny Gravois Mills Morgan 11:26 local · NCEI
Apr 2, 2006 0.75 inpenny 1 E Gravois Mills Morgan 14:17 local · NCEI
Mar 12, 2006 1.75 ingolf ball Gravois Mills Morgan 23:09 local · NCEI

Hail history near Gravois Mills

Questions about hail in Gravois Mills

How often does it hail in Gravois Mills, Missouri?

29 hail reports have been logged in and within about 5 km (3 miles) of Gravois Mills since 1982. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #140 of 491 Missouri places by number of reports.

When is hail season in Gravois Mills?

Most reports come in March, May, April. March alone accounts for 21% of all reports.

What is the largest hail recorded in Gravois Mills?

1.75 in (golf ball size) on March 12, 2006 near Gravois Mills. 0% of reports here were 2 inches or larger.

When did it last hail in Gravois Mills?

The most recent report in this data is from April 28, 2026 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Gravois Mills 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 28, 2026.

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.