Hail History

Hail history for Long Hollow, South Dakota

NOAA hail reports in and within about 5 km (3 miles) of Long Hollow since 1956, with preliminary reports to November 3, 2026.

Readout · Long Hollow

Last hail
May 28, 2012
0.88 in, nickel size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.75 in
baseball · Aug 13, 1958

13 reports on 11 days since 1956 · #232 of 305 South Dakota places

Hail map · Long Hollow

Long Hollow Sisseton Lake City Eden New Effington Wilmot Waubay Summit 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
13 most recent reports with a location; Roberts County is shaded. Open street map

For homeowners

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What the record says about Long Hollow

The latest hail report in and around Long Hollow is from May 28, 2012, 0.88 in (nickel size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Long Hollow logged 4 reports on 3 hail days, about 0.2 reports a year. That is about half the median South Dakota town on this site (0.5 a year) and ranks #232 of 305 South Dakota cities and towns on this site for all-time reports. Long Hollow accounts for 10% of the 133 reports filed in Roberts County.

23% 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 2.75 in (baseball) on August 13, 1958.

The busiest year was 2006, with 2 reports on 1 day. Hail here peaks in May (23% of reports); 38% fall between April and June.

Reports a year 2006–2025 average

  • Long Hollow 0.2
  • Roberts County 3.0
  • Median South Dakota town on this site 0.5

Hail days 2006–2025

  • Long Hollow 3
  • Roberts County 36
  • Median South Dakota town on this site 7

Share 2 in or larger of sized reports

  • Long Hollow 23%
  • Roberts County 7%
  • Median South Dakota town on this site 7%

Hail over time

012 1956: 1 reports, largest 1.50 in 1958: 1 reports, largest 2.75 in 1959: 1 reports, largest 2.00 in 1960: 1 reports, largest 2.00 in 1960 1961: 1 reports, largest 0.75 in 1970 1972: 1 reports, largest 0.75 in 1980 1990 1991: 2 reports, largest 1.75 in 2000 2002: 1 reports, largest 1.00 in 2006: 2 reports, largest 0.88 in 2010 2011: 1 reports, largest 1.00 in 2012: 1 reports, largest 0.88 in 2020
Reports per year, 1956–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0123 Jan Feb Mar Apr May: 3 reports (23%) May June: 2 reports (15%) Jun July: 3 reports (23%) Jul August: 3 reports (23%) Aug Sep October: 2 reports (15%) Oct Nov Dec
All 13 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 0
2020 0
2019 0
2018 0
2017 0

Largest hail on record

Largest hail reports in Long Hollow
Date Size Location County Time · source
Aug 13, 1958 2.75 inbaseball — Roberts 17:30 local · NCEI
Aug 2, 1960 2.00 inhen egg — Roberts 17:00 local · NCEI
Aug 11, 1959 2.00 inhen egg — Roberts 19:00 local · NCEI
Jul 21, 1991 1.75 ingolf ball — Roberts 17:01 local · NCEI
Jun 21, 1956 1.50 inping pong ball — Roberts 20:50 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 Long Hollow
Date Size Location County Time · source
May 28, 2012 0.88 innickel 2.98 WSW Sisseton Roberts 07:30 local · NCEI
May 8, 2011 1.00 inquarter 4.57 NNW Sisseton Roberts 16:37 local · NCEI
Oct 3, 2006 0.88 innickel 4.58 NNE Sisseton Roberts 11:48 local · NCEI
Oct 3, 2006 0.88 innickel 3.45 ENE Sisseton Roberts 11:45 local · NCEI
Jun 6, 2002 1.00 inquarter 10 W Sisseton Roberts 18:15 local · NCEI
Jul 21, 1991 1.75 ingolf ball — Roberts 17:01 local · NCEI
Jul 21, 1991 1.00 inquarter — Roberts 16:45 local · NCEI
May 21, 1972 0.75 inpenny — Roberts 13:05 local · NCEI
Jul 29, 1961 0.75 inpenny — Roberts 23:00 local · NCEI
Aug 2, 1960 2.00 inhen egg — Roberts 17:00 local · NCEI
Aug 11, 1959 2.00 inhen egg — Roberts 19:00 local · NCEI
Aug 13, 1958 2.75 inbaseball — Roberts 17:30 local · NCEI

Hail history near Long Hollow

Questions about hail in Long Hollow

How often does it hail in Long Hollow, South Dakota?

13 hail reports have been logged in and within about 5 km (3 miles) of Long Hollow since 1956. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #232 of 305 South Dakota places by number of reports.

When is hail season in Long Hollow?

Most reports come in May, July, August. May alone accounts for 23% of all reports.

What is the largest hail recorded in Long Hollow?

2.75 in (baseball size) on August 13, 1958. 23% of reports here were 2 inches or larger.

When did it last hail in Long Hollow?

The most recent report in this data is from May 28, 2012 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Long Hollow since November 3, 2021. The last one was on May 28, 2012.

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.