Hail History

Hail history for Davison County, South Dakota

Every NOAA hail report filed in Davison County since 1958, with preliminary National Weather Service reports to November 3, 2026.

Readout · Davison County

Last hail
Sep 4, 2026
1.50 in, ping pong ball size · preliminary
Hail days, last 5 years
6
since Nov 3, 2021 · 12 reports
Largest ever
4.00 in
grapefruit · Aug 8, 2009

168 reports on 88 days since 1958 · #45 of 67 South Dakota counties

Hail map · Davison County

Mitchell Loomis Mount Vernon Ethan 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
167 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

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What the record says about Davison County

The latest hail report in Davison County is from September 4, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 1.50 in on September 4, 2026.

Over the 20 years 2006–2025, Davison County logged 92 reports on 45 hail days, about 4.6 reports a year. That is 16% less than the median South Dakota county (5.5 a year) and ranks #45 of 67 South Dakota counties for all-time reports. Davison County holds 1% of all 17,223 hail reports in South Dakota.

6% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median South Dakota county. The largest hail on record here is 4.00 in (grapefruit) on August 8, 2009 near 6.91 S Betts.

Reports were down 54% in 2016–2025 (29) compared with 2006–2015 (63). The busiest year was 2009, with 20 reports on 7 days. Hail here peaks in July (27% of reports); 44% fall between April and June.

Reports a year 2006–2025 average

  • Davison County 4.6
  • Median South Dakota county 5.5

Hail days 2006–2025

  • Davison County 45
  • Median South Dakota county 54

Share 2 in or larger of sized reports

  • Davison County 6%
  • Median South Dakota county 8%

Hail over time

05101520 1958: 1 reports, largest 1.75 in 1960 1961: 1 reports, largest 0.75 in 1962: 1 reports, largest 4.00 in 1970 1974: 1 reports, largest 1.75 in 1976: 1 reports, largest 1.00 in 1979: 1 reports, largest 1.50 in 1980: 1 reports, largest 0.75 in 1980 1985: 1 reports, largest 1.50 in 1990 1992: 1 reports, largest 1.75 in 1995: 1 reports, largest 0.75 in 1996: 6 reports, largest 2.00 in 1997: 1 reports, largest 1.75 in 1998: 3 reports, largest 1.75 in 1999: 2 reports, largest 0.88 in 2000: 5 reports, largest 1.75 in 2000 2001: 2 reports, largest 1.75 in 2002: 17 reports, largest 2.50 in 2003: 6 reports, largest 1.75 in 2004: 15 reports, largest 1.75 in 2005: 7 reports, largest 2.50 in 2006: 4 reports, largest 1.00 in 2007: 5 reports, largest 1.75 in 2008: 7 reports, largest 2.75 in 2009: 20 reports, largest 4.00 in 2010: 3 reports, largest 1.25 in 2010 2011: 6 reports, largest 1.75 in 2012: 7 reports, largest 2.50 in 2013: 1 reports, largest 1.00 in 2014: 3 reports, largest 0.88 in 2015: 7 reports, largest 1.75 in 2016: 1 reports, largest 0.75 in 2017: 11 reports, largest 1.50 in 2019: 2 reports, largest 1.00 in 2020: 1 reports, largest 1.75 in 2020 2021: 4 reports, largest 1.00 in 2022: 3 reports, largest 0.75 in 2023: 4 reports, largest 1.00 in 2024: 3 reports, largest 1.25 in 2026: 2 reports, largest 1.50 in
Reports per year, 1958–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0204060 Jan Feb Mar April: 9 reports (5%) Apr May: 23 reports (14%) May June: 42 reports (25%) Jun July: 46 reports (27%) Jul August: 40 reports (24%) Aug September: 8 reports (5%) Sep Oct Nov Dec
All 168 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 2 2
2025 0
2024 3 3
2023 22 4
2022 3 3
2021 13 4
2020 1 1
2019 11 2
2018 0
2017 641 11

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Sep 4, 2026 2 1.50 in View
Jul 30, 2024 3 1.25 in —
Aug 10, 2023 2 1.00 in —
Jul 30, 2023 1 0.75 in —
Jul 12, 2023 1 1.00 in —
May 29, 2022 3 0.75 in —

Largest hail on record

Largest hail reports in Davison County
Date Size Location Damage Time · source
Aug 8, 2009 4.00 ingrapefruit 6.91 S Betts — 11:45 local · NCEI
May 14, 1962 4.00 ingrapefruit — — 19:00 local · NCEI
Jul 27, 2008 2.75 inbaseball 1.47 NNE Metzgerville — 08:50 local · NCEI
May 5, 2012 2.50 intennis ball 1.65 WNW Mitchell $2.0 million 07:39 local · NCEI
May 5, 2012 2.50 intennis ball 2.07 N Betts — 07:28 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 Davison County
Date Size Location Time · source
Sep 4, 2026 1.50 inping pong ball Ethan 08:06 UTC · NWS prelim.
Sep 4, 2026 1.50 inping pong ball Ethan 08:00 UTC · NWS prelim.
Jul 30, 2024 1.25 inhalf dollar Mitchell 06:46 local · NCEI
Jul 30, 2024 0.88 innickel 2.11 WNW Mitchell 06:41 local · NCEI
Jul 30, 2024 1.00 inquarter 2.88 NE Mt Vernon 06:33 local · NCEI
Aug 10, 2023 1.00 inquarter 6.93 S Betts 17:43 local · NCEI
Aug 10, 2023 1.00 inquarter 4.26 SSW Mt Vernon 17:35 local · NCEI
Jul 30, 2023 0.75 inpenny 4.94 NNE Mt Vernon 11:31 local · NCEI
Jul 12, 2023 1.00 inquarter 0.69 S Mitchell 02:02 local · NCEI
May 29, 2022 0.75 inpenny 0.69 S Mitchell 23:54 local · NCEI
May 29, 2022 0.75 inpenny 2.13 SSE Mitchell 23:54 local · NCEI
May 29, 2022 0.75 inpenny 2.76 S Mitchell 23:54 local · NCEI

Cities and towns in Davison County

PlaceReportsLargest
Mitchell734.00 in
Loomis171.50 in
Mount Vernon162.50 in
Ethan111.50 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
Rosedale Colony11Aug 16, 2002

Questions about hail in Davison County

How often does it hail in Davison County, South Dakota?

168 hail reports have been logged in Davison County since 1958. Over the 20 years 2006–2025 that averages 4.6 reports a year. That ranks #45 of 67 South Dakota counties by number of reports.

When is hail season in Davison County?

Most reports come in July, June, August. July alone accounts for 27% of all reports.

What is the largest hail recorded in Davison County?

4.00 in (grapefruit size) on August 8, 2009 near 6.91 S Betts. 6% of reports here were 2 inches or larger.

When did it last hail in Davison County?

The most recent report in this data is from September 4, 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 Davison 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 September 4, 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.