Hail History

Hail history for Shannon County, Missouri

Every NOAA hail report filed in Shannon County since 1969, with preliminary National Weather Service reports to November 3, 2026.

Readout · Shannon County

Last hail
Aug 7, 2026
0.50 in, marble size · preliminary
Hail days, last 5 years
6
since Nov 3, 2021 · 12 reports
Largest ever
2.75 in
baseball · Apr 3, 2007

154 reports on 101 days since 1969 · #52 of 116 Missouri counties

Hail map · Shannon County

Winona Birch Tree Eminence 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
147 most recent reports with a location. Dot size and colour follow hail size. Open street map

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What the record says about Shannon County

The latest hail report in Shannon County is from August 7, 2026, 0.50 in (marble size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 2.50 in on March 30, 2025.

Over the 20 years 2006–2025, Shannon County logged 79 reports on 42 hail days, about 4.0 reports a year. That is 11% more than the median Missouri county (3.5 a year) and ranks #52 of 116 Missouri counties for all-time reports. Shannon County holds 1% of all 20,478 hail reports in Missouri.

7% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Missouri county. The largest hail on record here is 2.75 in (baseball) on April 3, 2007 near 3.23 SSW Winona.

Reports were down 16% in 2016–2025 (36) compared with 2006–2015 (43). The busiest year was 2006, with 20 reports on 10 days. Hail here peaks in May (31% of reports); 62% fall between April and June.

Reports a year 2006–2025 average

  • Shannon County 4.0
  • Median Missouri county 3.5

Hail days 2006–2025

  • Shannon County 42
  • Median Missouri county 42

Share 2 in or larger of sized reports

  • Shannon County 7%
  • Median Missouri county 6%

Hail over time

05101520 1969: 1 reports, largest 1.50 in 1970 1976: 1 reports, largest 2.50 in 1978: 1 reports, largest 1.00 in 1980 1981: 1 reports, largest 1.75 in 1982: 1 reports, largest 1.75 in 1983: 1 reports, largest 2.00 in 1984: 1 reports, largest 1.75 in 1985: 4 reports, largest 2.25 in 1986: 2 reports, largest 1.25 in 1987: 1 reports, largest 1.25 in 1989: 2 reports, largest 2.50 in 1990: 1 reports, largest 1.75 in 1990 1991: 2 reports, largest 1.00 in 1992: 4 reports, largest 2.00 in 1994: 4 reports, largest 1.00 in 1995: 3 reports, largest 1.75 in 1996: 7 reports, largest 1.00 in 1997: 1 reports, largest 1.00 in 1998: 2 reports, largest 0.88 in 1999: 2 reports, largest 1.00 in 2000: 5 reports, largest 1.75 in 2000 2001: 5 reports, largest 1.00 in 2002: 3 reports, largest 1.00 in 2003: 13 reports, largest 1.25 in 2004: 2 reports, largest 1.75 in 2005: 3 reports, largest 1.00 in 2006: 20 reports, largest 1.75 in 2007: 5 reports, largest 2.75 in 2008: 2 reports, largest 0.75 in 2009: 3 reports, largest 1.75 in 2010 2011: 5 reports, largest 1.00 in 2012: 1 reports, largest 0.75 in 2014: 3 reports, largest 1.00 in 2015: 4 reports, largest 2.00 in 2017: 5 reports, largest 1.75 in 2018: 12 reports, largest 1.75 in 2019: 3 reports, largest 1.75 in 2020: 6 reports, largest 2.25 in 2020 2023: 3 reports, largest 1.25 in 2024: 2 reports, largest 1.75 in 2025: 5 reports, largest 2.50 in 2026: 2 reports, largest 1.00 in
Reports per year, 1969–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0204060 Jan February: 6 reports (4%) Feb March: 29 reports (19%) Mar April: 32 reports (21%) Apr May: 48 reports (31%) May June: 15 reports (10%) Jun July: 11 reports (7%) Jul August: 3 reports (2%) Aug September: 2 reports (1%) Sep October: 4 reports (3%) Oct November: 3 reports (2%) Nov December: 1 reports (1%) Dec
All 154 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 11 2
2025 23 5
2024 2 2
2023 3 3
2022 0
2021 0
2020 51 6
2019 21 3
2018 6141 12
2017 14 5

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Aug 7, 2026 1 0.50 in View
Mar 15, 2026 1 1.00 in —
May 16, 2025 3 2.00 in —
Mar 30, 2025 2 2.50 in —
May 26, 2024 2 1.75 in —
Mar 23, 2023 3 1.25 in —

Largest hail on record

Largest hail reports in Shannon County
Date Size Location Damage Time · source
Apr 3, 2007 2.75 inbaseball 3.23 SSW Winona — 13:45 local · NCEI
Mar 30, 2025 2.50 intennis ball Timber — 13:45 local · NCEI
Apr 3, 1989 2.50 intennis ball — — 14:45 local · NCEI
Mar 20, 1976 2.50 intennis ball — — 12:45 local · NCEI
Mar 2, 2020 2.25 inhen egg 2.78 S Jacks Fork $1K 18:00 local · NCEI

Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.

Size of every report

Most recent reports

Most recent hail reports in Shannon County
Date Size Location Damage Time · source
Aug 7, 2026 0.50 inmarble 5 E Eminence — 01:00 UTC · NWS prelim.
Mar 15, 2026 1.00 inquarter 1.1 E Akers — 15:11 local · NCEI
May 16, 2025 1.25 inhalf dollar 3.38 ENE Munsett — 14:15 local · NCEI
May 16, 2025 1.50 inping pong ball 5.89 ESE Munsett — 13:52 local · NCEI
May 16, 2025 2.00 inhen egg 2.6 ESE Bartlett $5K 13:48 local · NCEI
Mar 30, 2025 2.00 inhen egg 0.88 SE Winona — 14:58 local · NCEI
Mar 30, 2025 2.50 intennis ball Timber — 13:45 local · NCEI
May 26, 2024 1.00 inquarter 0.55 E Round Spg $3K 17:26 local · NCEI
May 26, 2024 1.75 ingolf ball 1.49 NNE Winona — 17:20 local · NCEI
Mar 23, 2023 0.75 inpenny 2.14 NNE Round Spg — 18:52 local · NCEI
Mar 23, 2023 1.25 inhalf dollar Timber — 18:45 local · NCEI
Mar 23, 2023 1.00 inquarter 2.35 SSE Timber — 18:30 local · NCEI

Cities and towns in Shannon County

PlaceReportsLargest
Winona302.75 in
Birch Tree241.75 in
Eminence212.50 in

Smaller places with fewer than 10 reports

These places have too few reports for a page of their own, so their record lives here.

PlaceReportsHail daysLatest
Montier11Oct 15, 2019

Questions about hail in Shannon County

How often does it hail in Shannon County, Missouri?

154 hail reports have been logged in Shannon County since 1969. Over the 20 years 2006–2025 that averages 4.0 reports a year. That ranks #52 of 116 Missouri counties by number of reports.

When is hail season in Shannon County?

Most reports come in May, April, March. May alone accounts for 31% of all reports.

What is the largest hail recorded in Shannon County?

2.75 in (baseball size) on April 3, 2007 near 3.23 SSW Winona. 7% of reports here were 2 inches or larger.

When did it last hail in Shannon County?

The most recent report in this data is from August 7, 2026 (0.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

6 separate days with hail reports since November 3, 2021, adding up to 12 reports. The most recent was August 7, 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.