Hail History

Hail history for Fall River County, South Dakota

Every NOAA hail report filed in Fall River County since 1959, with preliminary National Weather Service reports to November 3, 2026.

Readout · Fall River County

Last hail
Aug 27, 2026
1.00 in, quarter size · preliminary
Hail days, last 5 years
24
since Nov 3, 2021 · 65 reports
Largest ever
4.50 in
softball · Jun 12, 2001

389 reports on 205 days since 1959 · #7 of 67 South Dakota counties

Hail map · Fall River County

Hot Springs Edgemont Angostura Ardmore Oelrichs Oral Provo Maverick Junction 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
300 most recent reports with a location. Dot size and colour follow hail size. Open street map

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What the record says about Fall River County

The latest hail report in Fall River County is from August 27, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 24 separate hail days; the biggest stones in that time were 4.00 in on June 13, 2022.

Over the 20 years 2006–2025, Fall River County logged 250 reports on 120 hail days, about 12.5 reports a year. That is about twice the median South Dakota county (5.5 a year) and ranks #7 of 67 South Dakota counties for all-time reports. Fall River County holds 2% of all 17,223 hail reports in South Dakota.

13% 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 4.50 in (softball) on June 12, 2001 near 3 S Oelrichs.

Reports held about level in 2016–2025 (117) compared with 2006–2015 (133). The busiest year was 2010, with 28 reports on 10 days. Hail here peaks in June (38% of reports); 52% fall between April and June.

Reports a year 2006–2025 average

  • Fall River County 12.5
  • Median South Dakota county 5.5

Hail days 2006–2025

  • Fall River County 120
  • Median South Dakota county 54

Share 2 in or larger of sized reports

  • Fall River County 13%
  • Median South Dakota county 8%

Hail over time

0102030 1959: 2 reports, largest 1.75 in 1960 1963: 1 reports, largest 3.00 in 1965: 2 reports, largest 1.75 in 1969: 1 reports, largest 2.50 in 1970 1971: 1 reports, largest 1.00 in 1973: 1 reports, largest 1.50 in 1977: 1 reports, largest 1.75 in 1980: 5 reports, largest 1.75 in 1980 1981: 2 reports, largest 1.75 in 1982: 7 reports, largest 2.75 in 1983: 7 reports, largest 2.50 in 1984: 1 reports, largest 1.75 in 1985: 1 reports, largest 1.75 in 1986: 2 reports, largest 3.00 in 1988: 1 reports, largest 1.75 in 1989: 1 reports, largest 0.75 in 1990: 1 reports, largest 1.75 in 1990 1991: 5 reports, largest 1.00 in 1992: 1 reports, largest 1.00 in 1993: 6 reports, largest 1.50 in 1994: 2 reports, largest 1.75 in 1996: 1 reports, largest 0.75 in 1997: 2 reports, largest 0.75 in 1998: 10 reports, largest 2.50 in 1999: 3 reports, largest 1.75 in 2000: 6 reports, largest 1.25 in 2000 2001: 13 reports, largest 4.50 in 2002: 12 reports, largest 1.75 in 2003: 8 reports, largest 3.00 in 2004: 7 reports, largest 1.00 in 2005: 13 reports, largest 2.00 in 2006: 2 reports, largest 1.75 in 2007: 9 reports, largest 2.75 in 2008: 16 reports, largest 2.75 in 2009: 13 reports, largest 1.75 in 2010: 28 reports, largest 4.25 in 2010 2011: 5 reports, largest 1.75 in 2012: 7 reports, largest 4.25 in 2013: 26 reports, largest 2.75 in 2014: 19 reports, largest 2.25 in 2015: 8 reports, largest 2.50 in 2016: 14 reports, largest 2.50 in 2017: 4 reports, largest 1.00 in 2018: 10 reports, largest 2.50 in 2019: 18 reports, largest 1.75 in 2020: 11 reports, largest 1.75 in 2020 2021: 8 reports, largest 2.50 in 2022: 18 reports, largest 4.00 in 2023: 17 reports, largest 2.75 in 2024: 8 reports, largest 2.00 in 2025: 9 reports, largest 1.25 in 2026: 13 reports, largest 1.75 in
Reports per year, 1959–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
050100150 Jan Feb Mar April: 5 reports (1%) Apr May: 50 reports (13%) May June: 148 reports (38%) Jun July: 125 reports (32%) Jul August: 58 reports (15%) Aug September: 3 reports (1%) Sep Oct Nov Dec
All 389 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 454 13
2025 342 9
2024 125 8
2023 11132 17
2022 117 18
2021 2231 8
2020 56 11
2019 2259 18
2018 2521 10
2017 211 4

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Aug 27, 2026 2 1.25 in View
Aug 12, 2026 2 1.25 in View
Jul 31, 2026 1 1.00 in —
Jul 7, 2026 1 1.00 in —
Jul 3, 2026 3 1.75 in —
Jun 27, 2026 3 1.75 in —
Jun 26, 2026 1 1.00 in —
Aug 5, 2025 2 1.00 in —
Jul 5, 2025 4 1.25 in —
Jun 29, 2025 3 1.25 in —
Jul 17, 2024 3 1.25 in —
Jul 12, 2024 2 1.00 in —
Jun 10, 2024 2 2.00 in —
Apr 25, 2024 1 1.00 in —
Aug 12, 2023 2 1.00 in —
Jul 30, 2023 1 1.00 in —
Jul 28, 2023 3 1.00 in —
Jul 24, 2023 1 1.00 in —
Jul 17, 2023 8 2.75 in —
Jun 27, 2023 1 1.00 in —
May 17, 2023 1 1.00 in —
Jun 13, 2022 12 4.00 in —
Jun 6, 2022 5 2.00 in —
Apr 22, 2022 1 0.75 in —

Largest hail on record

Largest hail reports in Fall River County
Date Size Location Damage Time · source
Jun 12, 2001 4.50 insoftball 3 S Oelrichs — 17:25 local · NCEI
Jun 22, 2012 4.25 ingrapefruit 3.19 WSW Edgemont $100K 18:35 local · NCEI
May 24, 2010 4.25 ingrapefruit 0.65 SE Angostura Reservoir $40K 11:40 local · NCEI
Jun 13, 2022 4.00 ingrapefruit 6.13 NW Oral — 20:10 local · NCEI
Jul 17, 2003 3.00 inteacup 7 NE Oral $10K 16:43 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Fall River County
Date Size Location Time · source
Aug 27, 2026 1.00 inquarter Oelrichs 21:32 UTC · NWS prelim.
Aug 27, 2026 1.25 inhalf dollar 3 NW Oelrichs 21:25 UTC · NWS prelim.
Aug 12, 2026 1.25 inhalf dollar 9 S Oelrichs 23:10 UTC · NWS prelim.
Aug 12, 2026 0.88 innickel Hot Springs 22:25 UTC · NWS prelim.
Jul 31, 2026 1.00 inquarter 4.47 SW Hot Springs 16:11 local · NCEI
Jul 7, 2026 1.00 inquarter 10.42 ESE Edgemont 18:30 local · NCEI
Jul 3, 2026 0.88 innickel 1.47 SSE Angostura Reservoir 18:56 local · NCEI
Jul 3, 2026 1.75 ingolf ball 13.69 NNW Edgemont 17:45 local · NCEI
Jul 3, 2026 1.50 inping pong ball 14.54 NNW Edgemont 17:43 local · NCEI
Jun 27, 2026 1.75 ingolf ball 8.98 S Oelrichs 17:02 local · NCEI
Jun 27, 2026 1.75 ingolf ball 8.98 S Oelrichs 16:59 local · NCEI
Jun 27, 2026 1.75 ingolf ball 2.01 E Hot Springs Municipal Airport 16:17 local · NCEI

Cities and towns in Fall River County

PlaceReportsLargest
Hot Springs643.00 in
Edgemont334.25 in
Angostura324.25 in
Ardmore191.50 in
Oelrichs142.50 in
Oral112.50 in
Provo112.75 in
Maverick Junction101.75 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
Smithwick65Jul 28, 2019
Dudley22Jun 13, 2022

Questions about hail in Fall River County

How often does it hail in Fall River County, South Dakota?

389 hail reports have been logged in Fall River County since 1959. Over the 20 years 2006–2025 that averages 12.5 reports a year. That ranks #7 of 67 South Dakota counties by number of reports.

When is hail season in Fall River County?

Most reports come in June, July, August. June alone accounts for 38% of all reports.

What is the largest hail recorded in Fall River County?

4.50 in (softball size) on June 12, 2001 near 3 S Oelrichs. 13% of reports here were 2 inches or larger.

When did it last hail in Fall River County?

The most recent report in this data is from August 27, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Fall River County had in the last five years?

24 separate days with hail reports since November 3, 2021, adding up to 65 reports. The most recent was August 27, 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.