Hail History

Hail history for Eureka, South Dakota

NOAA hail reports in and within about 5 km (3 miles) of Eureka since 1955, with preliminary reports to November 3, 2026.

Readout · Eureka

Last hail
Jul 21, 2022
1.75 in, golf ball size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
2.00 in
hen egg · Aug 9, 2016

25 reports on 21 days since 1955 · #73 of 305 South Dakota places

Hail map · Eureka

Eureka Hosmer 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
25 most recent reports with a location; McPherson County is shaded. Open street map

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What the record says about Eureka

The latest hail report in and around Eureka is from July 21, 2022, 1.75 in (golf ball size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.75 in on July 21, 2022.

Over the 20 years 2006–2025, Eureka logged 17 reports on 13 hail days, about 0.8 reports a year. That is 89% more than the median South Dakota town on this site (0.5 a year) and ranks #73 of 305 South Dakota cities and towns on this site for all-time reports. Eureka accounts for 12% of the 201 reports filed in McPherson County.

8% 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 2.00 in (hen egg) on August 9, 2016 near 0.84 NE Eureka Muni Arpt.

Reports were up 43% in 2016–2025 (10) compared with 2006–2015 (7). The busiest year was 2018, with 5 reports on 2 days. Hail here peaks in July (36% of reports); 60% fall between April and June.

Reports a year 2006–2025 average

  • Eureka 0.8
  • McPherson County 6.8
  • Median South Dakota town on this site 0.5

Hail days 2006–2025

  • Eureka 13
  • McPherson County 62
  • Median South Dakota town on this site 7

Share 2 in or larger of sized reports

  • Eureka 8%
  • McPherson County 10%
  • Median South Dakota town on this site 7%

Hail over time

0246 1955: 1 reports, largest 1.50 in 1960 1970: 1 reports, largest 2.00 in 1970 1971: 1 reports, largest 1.20 in 1980 1986: 1 reports, largest 1.75 in 1989: 1 reports, largest 0.75 in 1990 2000 2004: 1 reports, largest 0.75 in 2005: 2 reports, largest 0.88 in 2007: 2 reports, largest 1.75 in 2008: 3 reports, largest 1.75 in 2010 2011: 1 reports, largest 1.75 in 2013: 1 reports, largest 0.75 in 2016: 2 reports, largest 2.00 in 2018: 5 reports, largest 1.75 in 2019: 1 reports, largest 1.00 in 2020: 1 reports, largest 0.75 in 2020 2022: 1 reports, largest 1.75 in
Reports per year, 1955–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0369 Jan Feb Mar April: 1 reports (4%) Apr May: 7 reports (28%) May June: 7 reports (28%) Jun July: 9 reports (36%) Jul August: 1 reports (4%) Aug Sep Oct Nov Dec
All 25 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 1 1
2021 0
2020 1 1
2019 1 1
2018 5 5
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jul 21, 2022 1 1.75 in —

Largest hail on record

Largest hail reports in Eureka
Date Size Location County Time · source
Aug 9, 2016 2.00 inhen egg 0.84 NE Eureka Muni Arpt Mcpherson 23:00 local · NCEI
Jul 30, 1970 2.00 inhen egg — Mcpherson 16:15 local · NCEI
Jul 21, 2022 1.75 ingolf ball 1.68 NE Eureka Muni Arpt Mcpherson 18:49 local · NCEI
May 17, 2018 1.75 ingolf ball 0.48 E Eureka Mcpherson 15:17 local · NCEI
May 17, 2018 1.75 ingolf ball 0.48 E Eureka Mcpherson 15:03 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 Eureka
Date Size Location County Time · source
Jul 21, 2022 1.75 ingolf ball 1.68 NE Eureka Muni Arpt Mcpherson 18:49 local · NCEI
Jun 7, 2020 0.75 inpenny Eureka Mcpherson 17:39 local · NCEI
Jun 28, 2019 1.00 inquarter 0.84 SE Eureka Mcpherson 10:18 local · NCEI
May 17, 2018 1.00 inquarter 3.37 E Eureka Mcpherson 15:21 local · NCEI
May 17, 2018 1.75 ingolf ball 0.48 E Eureka Mcpherson 15:17 local · NCEI
May 17, 2018 1.75 ingolf ball 0.48 E Eureka Mcpherson 15:03 local · NCEI
May 17, 2018 1.00 inquarter 0.48 E Eureka Mcpherson 15:00 local · NCEI
May 7, 2018 0.88 innickel 1.68 NE Eureka Muni Arpt Mcpherson 17:16 local · NCEI
Aug 9, 2016 2.00 inhen egg 0.84 NE Eureka Muni Arpt Mcpherson 23:00 local · NCEI
May 30, 2016 0.88 innickel 0.84 NE Eureka Muni Arpt Mcpherson 15:00 local · NCEI
Jul 21, 2013 0.75 inpenny 0.48 E Eureka Mcpherson 21:01 local · NCEI
Jul 10, 2011 1.75 ingolf ball 2.81 S Eureka Mcpherson 15:15 local · NCEI

Hail history near Eureka

Questions about hail in Eureka

How often does it hail in Eureka, South Dakota?

25 hail reports have been logged in and within about 5 km (3 miles) of Eureka since 1955. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #73 of 305 South Dakota places by number of reports.

When is hail season in Eureka?

Most reports come in July, May, June. July alone accounts for 36% of all reports.

What is the largest hail recorded in Eureka?

2.00 in (hen egg size) on August 9, 2016 near 0.84 NE Eureka Muni Arpt. 8% of reports here were 2 inches or larger.

When did it last hail in Eureka?

The most recent report in this data is from July 21, 2022 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Eureka 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 July 21, 2022.

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.