Hail History

Hail history for Minnehaha County, South Dakota

Every NOAA hail report filed in Minnehaha County since 1956, with preliminary National Weather Service reports to November 3, 2026.

Readout · Minnehaha County

Last hail
Sep 11, 2026
0.70 in, marble size · preliminary
Hail days, last 5 years
23
since Nov 3, 2021 · 74 reports
Largest ever
4.50 in
softball · Jul 13, 1997

511 reports on 201 days since 1956 · #5 of 67 South Dakota counties

Hail map · Minnehaha County

Sioux Falls Hartford Crooks Dell Rapids Garretson Humboldt Baltic Brandon Colton 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 Minnehaha County

The latest hail report in Minnehaha County is from September 11, 2026, 0.70 in (marble size). Since November 3, 2021 there have been 23 separate hail days; the biggest stones in that time were 2.50 in on May 29, 2022.

Over the 20 years 2006–2025, Minnehaha County logged 186 reports on 65 hail days, about 9.3 reports a year. That is 69% more than the median South Dakota county (5.5 a year) and ranks #5 of 67 South Dakota counties for all-time reports. Minnehaha County holds 3% of all 17,223 hail reports in South Dakota.

6% 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 July 13, 1997 near Hartford.

Reports were up 21% in 2016–2025 (102) compared with 2006–2015 (84). The busiest year was 2002, with 62 reports on 14 days. Hail here peaks in June (26% of reports); 60% fall between April and June.

Reports a year 2006–2025 average

  • Minnehaha County 9.3
  • Median South Dakota county 5.5

Hail days 2006–2025

  • Minnehaha County 65
  • Median South Dakota county 54

Share 2 in or larger of sized reports

  • Minnehaha County 6%
  • Median South Dakota county 8%

Hail over time

020406080 1956: 3 reports, largest 1.75 in 1957: 3 reports, largest 2.75 in 1958: 2 reports, largest 1.00 in 1960: 1 reports, largest 3.00 in 1960 1961: 1 reports, largest 0.75 in 1964: 1 reports, largest 3.00 in 1965: 1 reports, largest 0.75 in 1966: 3 reports, largest 2.75 in 1968: 3 reports, largest 1.12 in 1970: 1 reports, largest 2.75 in 1970 1972: 2 reports, largest 1.75 in 1973: 1 reports, largest 1.25 in 1974: 3 reports, largest 0.75 in 1977: 1 reports, largest 1.50 in 1978: 2 reports, largest 0.75 in 1979: 5 reports, largest 1.75 in 1980: 2 reports, largest 1.75 in 1980 1981: 4 reports, largest 2.00 in 1982: 2 reports, largest 1.00 in 1983: 4 reports, largest 1.75 in 1984: 1 reports, largest 0.75 in 1985: 4 reports, largest 1.75 in 1987: 1 reports, largest 0.75 in 1989: 3 reports, largest 2.00 in 1990: 7 reports, largest 2.00 in 1990 1991: 12 reports, largest 3.50 in 1992: 2 reports, largest 1.00 in 1993: 5 reports, largest 2.50 in 1994: 3 reports, largest 1.75 in 1995: 4 reports, largest 1.75 in 1996: 4 reports, largest 1.00 in 1997: 6 reports, largest 4.50 in 1998: 7 reports, largest 1.00 in 1999: 6 reports, largest 1.75 in 2000: 15 reports, largest 1.75 in 2000 2001: 38 reports, largest 2.75 in 2002: 62 reports, largest 1.75 in 2003: 10 reports, largest 1.75 in 2004: 38 reports, largest 1.75 in 2005: 29 reports, largest 1.75 in 2006: 3 reports, largest 1.00 in 2007: 8 reports, largest 1.00 in 2008: 8 reports, largest 1.00 in 2009: 9 reports, largest 1.75 in 2010: 5 reports, largest 1.50 in 2010 2011: 10 reports, largest 1.25 in 2012: 2 reports, largest 1.00 in 2013: 8 reports, largest 2.50 in 2014: 27 reports, largest 2.00 in 2015: 4 reports, largest 1.75 in 2016: 2 reports, largest 0.88 in 2017: 8 reports, largest 1.00 in 2018: 17 reports, largest 1.75 in 2019: 10 reports, largest 1.00 in 2020: 2 reports, largest 0.75 in 2020 2021: 12 reports, largest 3.50 in 2022: 32 reports, largest 2.50 in 2023: 8 reports, largest 1.00 in 2025: 11 reports, largest 1.75 in 2026: 23 reports, largest 1.75 in
Reports per year, 1956–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
050100150 Jan February: 1 reports (0%) Feb March: 8 reports (2%) Mar April: 55 reports (11%) Apr May: 118 reports (23%) May June: 133 reports (26%) Jun July: 83 reports (16%) Jul August: 77 reports (15%) Aug September: 21 reports (4%) Sep October: 7 reports (1%) Oct November: 8 reports (2%) Nov Dec
All 511 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 61061 23
2025 1721 11
2024 0
2023 1232 8
2022 32621 32
2021 129 12
2020 2 2
2019 334 10
2018 1115 17
2017 71 8

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Sep 11, 2026 1 0.70 in View
Aug 20, 2026 6 1.75 in View
May 31, 2026 4 1.00 in —
May 24, 2026 4 1.00 in —
May 17, 2026 2 1.00 in —
Apr 13, 2026 6 1.50 in —
Sep 16, 2025 1 1.00 in —
Aug 5, 2025 2 1.75 in —
Jul 23, 2025 2 0.75 in —
Jul 9, 2025 5 1.00 in —
Jun 11, 2025 1 0.75 in —
Aug 10, 2023 2 0.75 in —
Jul 25, 2023 1 0.75 in —
Jul 22, 2023 1 1.00 in —
Jul 3, 2023 1 1.00 in —
May 4, 2023 2 0.75 in —
Mar 30, 2023 1 0.75 in —
Jul 22, 2022 1 0.88 in —
Jun 20, 2022 2 1.00 in —
May 30, 2022 11 2.00 in —
May 29, 2022 15 2.50 in —
Apr 23, 2022 2 1.00 in —
Apr 12, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Minnehaha County
Date Size Location Damage Time · source
Jul 13, 1997 4.50 insoftball Hartford $2.0 million 14:45 local · NCEI
Aug 5, 2021 3.50 inteacup 2.3 SSE Renner $500K 19:50 local · NCEI
Jul 7, 1991 3.50 inteacup — — 05:50 local · NCEI
Jun 22, 1964 3.00 inteacup — — 01:00 local · NCEI
Jun 22, 1960 3.00 inteacup — — 20:15 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 Minnehaha County
Date Size Location Time · source
Sep 11, 2026 0.70 inmarble 6 WSW Wall Lake 00:50 UTC · NWS prelim.
Aug 20, 2026 0.75 inpenny 4 S Colton 23:59 UTC · NWS prelim.
Aug 20, 2026 1.75 ingolf ball Humboldt 23:45 UTC · NWS prelim.
Aug 20, 2026 1.00 inquarter 2 W Baltic 00:14 UTC · NWS prelim.
Aug 20, 2026 1.25 inhalf dollar 4 NE Crooks 00:10 UTC · NWS prelim.
Aug 20, 2026 1.25 inhalf dollar 3 NE Crooks 00:08 UTC · NWS prelim.
Aug 20, 2026 1.50 inping pong ball 5 NW Crooks 00:02 UTC · NWS prelim.
May 31, 2026 1.00 inquarter 2.12 ESE Humboldt 18:40 local · NCEI
May 31, 2026 1.00 inquarter 2.94 SSW Humboldt 18:39 local · NCEI
May 31, 2026 1.00 inquarter 2.86 WSW Humboldt 18:26 local · NCEI
May 31, 2026 1.00 inquarter 2.86 ENE Pumpkin Center 18:20 local · NCEI
May 24, 2026 1.00 inquarter 1.22 NW Brandon 22:40 local · NCEI

Cities and towns in Minnehaha County

PlaceReportsLargest
Sioux Falls3063.00 in
Hartford421.75 in
Crooks261.25 in
Dell Rapids232.00 in
Garretson231.75 in
Humboldt171.75 in
Baltic163.00 in
Brandon151.75 in
Colton101.75 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
Lyons87Aug 20, 2026
Valley Springs88May 17, 2026
Renner Corner22Aug 5, 2021
Sherman22Jun 17, 2016
Meadow View Addition11Aug 5, 2021

Questions about hail in Minnehaha County

How often does it hail in Minnehaha County, South Dakota?

511 hail reports have been logged in Minnehaha County since 1956. Over the 20 years 2006–2025 that averages 9.3 reports a year. That ranks #5 of 67 South Dakota counties by number of reports.

When is hail season in Minnehaha County?

Most reports come in June, May, July. June alone accounts for 26% of all reports.

What is the largest hail recorded in Minnehaha County?

4.50 in (softball size) on July 13, 1997 near Hartford. 5% of reports here were 2 inches or larger.

When did it last hail in Minnehaha County?

The most recent report in this data is from September 11, 2026 (0.70 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

23 separate days with hail reports since November 3, 2021, adding up to 74 reports. The most recent was September 11, 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.