Hail History

Hail history for Onaka, South Dakota

NOAA hail reports in and within about 5 km (3 miles) of Onaka since 1970, with preliminary reports to November 3, 2026.

Readout · Onaka

Last hail
Jul 3, 2018
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
3.75 in
teacup · Jul 12, 2004

16 reports on 13 days since 1970 · #177 of 305 South Dakota places

Hail map · Onaka

Onaka Brentwood Colony Faulkton Cresbard 10 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; Faulk County is shaded. Open street map

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What the record says about Onaka

The latest hail report in and around Onaka is from July 3, 2018, 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, Onaka logged 2 reports on 2 hail days, about 0.1 reports a year. That is 22% of the median South Dakota town on this site (0.5 a year) and ranks #177 of 305 South Dakota cities and towns on this site for all-time reports. Onaka accounts for 8% of the 193 reports filed in Faulk County.

6% 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 3.75 in (teacup) on July 12, 2004 near Onaka.

The busiest year was 2004, with 2 reports on 1 day. Hail here peaks in July (44% of reports); 44% fall between April and June.

Reports a year 2006–2025 average

  • Onaka 0.1
  • Faulk County 4.7
  • Median South Dakota town on this site 0.5

Hail days 2006–2025

  • Onaka 2
  • Faulk County 50
  • Median South Dakota town on this site 7

Share 2 in or larger of sized reports

  • Onaka 6%
  • Faulk County 11%
  • Median South Dakota town on this site 7%

Hail over time

012 1970: 1 reports, largest 1.75 in 1970 1980 1987: 1 reports, largest 1.75 in 1988: 1 reports, largest 1.00 in 1990 1997: 1 reports, largest 0.75 in 2000: 2 reports, largest 1.00 in 2000 2001: 2 reports, largest 0.75 in 2002: 1 reports, largest 0.75 in 2003: 2 reports, largest 1.75 in 2004: 2 reports, largest 3.75 in 2005: 1 reports, largest 0.75 in 2006: 1 reports, largest 0.88 in 2010 2018: 1 reports, largest 1.00 in 2020
Reports per year, 1970–2026. 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: 2 reports (13%) May June: 5 reports (31%) Jun July: 7 reports (44%) Jul August: 2 reports (13%) Aug Sep 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 0
2020 0
2019 0
2018 1 1
2017 0

Largest hail on record

Largest hail reports in Onaka
Date Size Location County Time · source
Jul 12, 2004 3.75 inteacup Onaka Faulk 07:15 local · NCEI
Jun 11, 2003 1.75 ingolf ball 2 N Onaka Faulk 19:04 local · NCEI
Jul 6, 1987 1.75 ingolf ball — Faulk 17:55 local · NCEI
Jul 30, 1970 1.75 ingolf ball — Faulk 15:30 local · NCEI
Jul 3, 2018 1.00 inquarter 3.49 N Onaka Faulk 02:00 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 Onaka
Date Size Location County Time · source
Jul 3, 2018 1.00 inquarter 3.49 N Onaka Faulk 02:00 local · NCEI
Aug 24, 2006 0.88 innickel 4 NNE Onaka Faulk 16:44 local · NCEI
May 20, 2005 0.75 inpenny Onaka Faulk 23:20 local · NCEI
Jul 12, 2004 3.75 inteacup Onaka Faulk 07:15 local · NCEI
Jul 12, 2004 1.00 inquarter 1 N Onaka Faulk 07:11 local · NCEI
Jun 16, 2003 1.00 inquarter 2 S Onaka Faulk 15:25 local · NCEI
Jun 11, 2003 1.75 ingolf ball 2 N Onaka Faulk 19:04 local · NCEI
Aug 31, 2002 0.75 inpenny 8 N Seneca Faulk 20:05 local · NCEI
Jul 18, 2001 0.75 inpenny 3 N Onaka Faulk 21:10 local · NCEI
Jul 18, 2001 0.75 inpenny 9 SW Loyalton Edmunds 21:10 local · NCEI
Jun 19, 2000 0.88 innickel 1 W Onaka Faulk 21:55 local · NCEI
Jun 19, 2000 1.00 inquarter Onaka Faulk 21:24 local · NCEI

Hail history near Onaka

Questions about hail in Onaka

How often does it hail in Onaka, South Dakota?

16 hail reports have been logged in and within about 5 km (3 miles) of Onaka since 1970. Over the 20 years 2006–2025 that averages 0.1 reports a year. That ranks #177 of 305 South Dakota places by number of reports.

When is hail season in Onaka?

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

What is the largest hail recorded in Onaka?

3.75 in (teacup size) on July 12, 2004 near Onaka. 6% of reports here were 2 inches or larger.

When did it last hail in Onaka?

The most recent report in this data is from July 3, 2018 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in and within about 5 km (3 miles) of Onaka since November 3, 2021. The last one was on July 3, 2018.

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.