Hail History

Hail history for Alpena, South Dakota

NOAA hail reports in and within about 5 km (3 miles) of Alpena since 1967, with preliminary reports to November 3, 2026.

Readout · Alpena

Last hail
Oct 9, 2021
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
1.75 in
golf ball · Aug 5, 2000

16 reports on 9 days since 1967 · #167 of 305 South Dakota places

Hail map · Alpena

Alpena Woonsocket Wessington Springs 5 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; Jerauld County is shaded. Open street map

For homeowners

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What the record says about Alpena

The latest hail report in and around Alpena is from October 9, 2021, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Alpena logged 5 reports on 3 hail days, about 0.3 reports a year. That is 44% less than the median South Dakota town on this site (0.5 a year) and ranks #167 of 305 South Dakota cities and towns on this site for all-time reports. Alpena accounts for 13% of the 123 reports filed in Jerauld County.

0% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median South Dakota town on this site. The largest hail on record here is 1.75 in (golf ball) on August 5, 2000 near 3 SW Alpena.

The busiest year was 2005, with 4 reports on 2 days. Hail here peaks in June (44% of reports); 44% fall between April and June.

Reports a year 2006–2025 average

  • Alpena 0.3
  • Jerauld County 3.4
  • Median South Dakota town on this site 0.5

Hail days 2006–2025

  • Alpena 3
  • Jerauld County 32
  • Median South Dakota town on this site 7

Share 2 in or larger of sized reports

  • Alpena 0%
  • Jerauld County 6%
  • Median South Dakota town on this site 7%

Hail over time

01234 1967: 1 reports, largest 1.50 in 1970 1980 1990 2000: 3 reports, largest 1.75 in 2000 2001: 1 reports, largest 0.75 in 2002: 2 reports, largest 0.75 in 2005: 4 reports, largest 1.00 in 2006: 2 reports, largest 1.25 in 2010 2015: 2 reports, largest 1.50 in 2020 2021: 1 reports, largest 1.00 in
Reports per year, 1967–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb Mar Apr May June: 7 reports (44%) Jun July: 2 reports (13%) Jul August: 5 reports (31%) Aug September: 1 reports (6%) Sep October: 1 reports (6%) Oct 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 0
2022 0
2021 1 1
2020 0
2019 0
2018 0
2017 0

Largest hail on record

Largest hail reports in Alpena
Date Size Location County Time · source
Aug 5, 2000 1.75 ingolf ball 3 SW Alpena Jerauld 22:25 local · NCEI
Aug 5, 2000 1.75 ingolf ball 5 SE Virgil Beadle 00:05 local · NCEI
Jul 23, 2015 1.50 inping pong ball 8.11 SE Virgil Beadle 19:00 local · NCEI
Jun 18, 1967 1.50 inping pong ball — Beadle 15:45 local · NCEI
Jul 23, 2015 1.25 inhalf dollar 2.57 WSW Alpena Jerauld 18:35 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 Alpena
Date Size Location County Time · source
Oct 9, 2021 1.00 inquarter 2.76 S Alpena Jerauld 15:30 local · NCEI
Jul 23, 2015 1.50 inping pong ball 8.11 SE Virgil Beadle 19:00 local · NCEI
Jul 23, 2015 1.25 inhalf dollar 2.57 WSW Alpena Jerauld 18:35 local · NCEI
Jun 5, 2006 1.25 inhalf dollar 6 SE Virgil Beadle 15:16 local · NCEI
Jun 5, 2006 1.00 inquarter Alpena Jerauld 15:16 local · NCEI
Sep 12, 2005 0.75 inpenny Alpena Jerauld 15:15 local · NCEI
Jun 20, 2005 1.00 inquarter Alpena Jerauld 21:56 local · NCEI
Jun 20, 2005 1.00 inquarter 6 SE Virgil Beadle 21:55 local · NCEI
Jun 20, 2005 0.88 innickel Alpena Jerauld 20:55 local · NCEI
Aug 3, 2002 0.75 inpenny 15 SW Huron Beadle 15:05 local · NCEI
Aug 3, 2002 0.75 inpenny 2 W Alpena Jerauld 15:01 local · NCEI
Jun 14, 2001 0.75 inpenny 7 SE Virgil Beadle 17:08 local · NCEI

Hail history near Alpena

Questions about hail in Alpena

How often does it hail in Alpena, South Dakota?

16 hail reports have been logged in and within about 5 km (3 miles) of Alpena since 1967. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #167 of 305 South Dakota places by number of reports.

When is hail season in Alpena?

Most reports come in June, August, July. June alone accounts for 44% of all reports.

What is the largest hail recorded in Alpena?

1.75 in (golf ball size) on August 5, 2000 near 3 SW Alpena. 0% of reports here were 2 inches or larger.

When did it last hail in Alpena?

The most recent report in this data is from October 9, 2021 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Alpena since November 3, 2021. The last one was on October 9, 2021.

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.