Hail History

Hail history for Oronoco, Minnesota

NOAA hail reports in and within about 5 km (3 miles) of Oronoco since 1974, with preliminary reports to November 3, 2026.

Readout · Oronoco

Last hail
Apr 17, 2026
1.00 in, quarter size
Hail days, last 5 years
4
since Nov 3, 2021 · 6 reports
Largest ever
2.75 in
baseball · Jun 29, 1996

29 reports on 17 days since 1974 · #70 of 451 Minnesota places

Hail map · Oronoco

Oronoco Pine Island Byron Rochester Mantorville Kasson Elgin 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
29 most recent reports with a location; Olmsted County is shaded. Open street map

For homeowners

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What the record says about Oronoco

The latest hail report in and around Oronoco is from April 17, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 1.25 in on July 22, 2023.

Over the 20 years 2006–2025, Oronoco logged 16 reports on 7 hail days, about 0.8 reports a year. That is 78% more than the median Minnesota town on this site (0.5 a year) and ranks #70 of 451 Minnesota cities and towns on this site for all-time reports. Oronoco accounts for 8% of the 373 reports filed in Olmsted County.

3% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Minnesota town on this site. The largest hail on record here is 2.75 in (baseball) on June 29, 1996 near Oronoco.

Reports were down 40% in 2016–2025 (6) compared with 2006–2015 (10). The busiest year was 2006, with 8 reports on 1 day. Hail here peaks in August (41% of reports); 34% fall between April and June.

Reports a year 2006–2025 average

  • Oronoco 0.8
  • Olmsted County 9.3
  • Median Minnesota town on this site 0.5

Hail days 2006–2025

  • Oronoco 7
  • Olmsted County 64
  • Median Minnesota town on this site 7

Share 2 in or larger of sized reports

  • Oronoco 3%
  • Olmsted County 4%
  • Median Minnesota town on this site 6%

Hail over time

02468 1974: 1 reports, largest 0.75 in 1980 1981: 1 reports, largest 1.50 in 1990 1996: 1 reports, largest 2.75 in 1998: 3 reports, largest 0.88 in 2000: 4 reports, largest 1.50 in 2000 2001: 1 reports, largest 0.88 in 2005: 1 reports, largest 0.88 in 2006: 8 reports, largest 1.75 in 2008: 2 reports, largest 0.75 in 2010 2017: 1 reports, largest 0.75 in 2020 2022: 2 reports, largest 1.00 in 2023: 2 reports, largest 1.25 in 2025: 1 reports, largest 0.88 in 2026: 1 reports, largest 1.00 in
Reports per year, 1974–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
051015 Jan Feb March: 2 reports (7%) Mar April: 2 reports (7%) Apr May: 2 reports (7%) May June: 6 reports (21%) Jun July: 5 reports (17%) Jul August: 12 reports (41%) Aug Sep Oct Nov Dec
All 29 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 1 1
2024 0
2023 2 2
2022 2 2
2021 0
2020 0
2019 0
2018 0
2017 1 1

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 17, 2026 1 1.00 in —
Mar 28, 2025 1 0.88 in —
Jul 22, 2023 2 1.25 in —
Jul 23, 2022 2 1.00 in —

Largest hail on record

Largest hail reports in Oronoco
Date Size Location County Damage Time · source
Jun 29, 1996 2.75 inbaseball Oronoco Olmsted — 15:27 local · NCEI
Aug 24, 2006 1.75 ingolf ball 2 NW Oronoco Olmsted — 18:26 local · NCEI
Aug 24, 2006 1.75 ingolf ball 3 WSW Oronoco Olmsted $2K 11:23 local · NCEI
Aug 24, 2006 1.75 ingolf ball 5 NE Mantorville Dodge — 11:20 local · NCEI
Aug 1, 2000 1.50 inping pong ball 2 W Oronoco Olmsted $15K 14:35 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Oronoco
Date Size Location County Damage Time · source
Apr 17, 2026 1.00 inquarter 1.98 W Oronoco Olmsted — 13:01 local · NCEI
Mar 28, 2025 0.88 innickel Oronoco Olmsted — 17:39 local · NCEI
Jul 22, 2023 1.25 inhalf dollar 1.98 W Oronoco Olmsted — 16:50 local · NCEI
Jul 22, 2023 1.00 inquarter 0.99 W Oronoco Olmsted — 16:49 local · NCEI
Jul 23, 2022 0.88 innickel 1.47 SSW Oronoco Olmsted — 12:16 local · NCEI
Jul 23, 2022 1.00 inquarter 0.5 W Oronoco Olmsted — 12:15 local · NCEI
Mar 6, 2017 0.75 inpenny 2.3 SSE Oronoco Olmsted — 18:29 local · NCEI
Jul 10, 2008 0.75 inpenny 2.12 E Oronoco Olmsted — 13:25 local · NCEI
May 31, 2008 0.75 inpenny Oronoco Olmsted — 19:23 local · NCEI
Aug 24, 2006 1.00 inquarter Oronoco Olmsted $3K 18:33 local · NCEI
Aug 24, 2006 0.75 inpenny Oronoco Olmsted — 18:31 local · NCEI
Aug 24, 2006 1.75 ingolf ball 2 NW Oronoco Olmsted — 18:26 local · NCEI

Hail history near Oronoco

Questions about hail in Oronoco

How often does it hail in Oronoco, Minnesota?

29 hail reports have been logged in and within about 5 km (3 miles) of Oronoco since 1974. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #70 of 451 Minnesota places by number of reports.

When is hail season in Oronoco?

Most reports come in August, June, July. August alone accounts for 41% of all reports.

What is the largest hail recorded in Oronoco?

2.75 in (baseball size) on June 29, 1996 near Oronoco. 3% of reports here were 2 inches or larger.

When did it last hail in Oronoco?

The most recent report in this data is from April 17, 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 Oronoco had in the last five years?

4 separate days with hail reports since November 3, 2021, adding up to 6 reports. The most recent was April 17, 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.