Hail History

Hail history for Koochiching County, Minnesota

Every NOAA hail report filed in Koochiching County since 1959, with preliminary National Weather Service reports to November 5, 2026.

Readout · Koochiching County

Last hail
Jun 29, 2026
1.00 in, quarter size
Hail days, last 5 years
5
since Nov 5, 2021 · 5 reports
Largest ever
3.00 in
teacup · May 15, 1998

149 reports on 92 days since 1959 · #46 of 88 Minnesota counties

Hail map · Koochiching County

International Falls Littlefork Big Falls Ranier 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
139 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 Koochiching County

The latest hail report in Koochiching County is from June 29, 2026, 1.00 in (quarter size). Since November 5, 2021 there have been 5 separate hail days; the biggest stones in that time were 1.00 in on June 29, 2026.

Over the 20 years 2006–2025, Koochiching County logged 35 reports on 23 hail days, about 1.8 reports a year. That is about half the median Minnesota county (3.9 a year) and ranks #46 of 88 Minnesota counties for all-time reports. Koochiching County holds 1% of all 15,925 hail reports in Minnesota.

9% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Minnesota county. The largest hail on record here is 3.00 in (teacup) on May 15, 1998 near International Falls.

Reports were down 33% in 2016–2025 (14) compared with 2006–2015 (21). The busiest year was 1999, with 10 reports on 3 days. Hail here peaks in June (30% of reports); 48% fall between April and June.

Reports a year 2006–2025 average

  • Koochiching County 1.8
  • Median Minnesota county 3.9

Hail days 2006–2025

  • Koochiching County 23
  • Median Minnesota county 42

Share 2 in or larger of sized reports

  • Koochiching County 9%
  • Median Minnesota county 7%

Hail over time

036912 1959: 1 reports, largest 0.75 in 1960 1961: 1 reports, largest 0.75 in 1962: 1 reports, largest 1.00 in 1965: 1 reports, largest 1.50 in 1966: 1 reports, largest 0.75 in 1968: 1 reports, largest 1.00 in 1970 1971: 1 reports, largest 0.75 in 1973: 3 reports, largest 1.75 in 1974: 1 reports, largest 1.00 in 1976: 2 reports, largest 1.00 in 1978: 3 reports, largest 2.75 in 1979: 1 reports, largest 0.75 in 1980 1982: 1 reports, largest 1.75 in 1983: 7 reports, largest 1.75 in 1984: 5 reports, largest 1.75 in 1985: 6 reports, largest 1.00 in 1986: 2 reports, largest 1.00 in 1988: 1 reports, largest 0.75 in 1989: 2 reports, largest 1.50 in 1990: 2 reports, largest 1.25 in 1990 1991: 3 reports, largest 0.75 in 1992: 5 reports, largest 2.50 in 1994: 6 reports, largest 1.75 in 1995: 4 reports, largest 3.00 in 1996: 9 reports, largest 2.75 in 1998: 10 reports, largest 3.00 in 1999: 10 reports, largest 1.75 in 2000: 7 reports, largest 1.75 in 2000 2001: 3 reports, largest 1.75 in 2002: 5 reports, largest 0.88 in 2003: 3 reports, largest 2.75 in 2005: 4 reports, largest 1.75 in 2006: 3 reports, largest 1.75 in 2007: 2 reports, largest 1.00 in 2008: 4 reports, largest 1.00 in 2010: 3 reports, largest 1.75 in 2010 2012: 1 reports, largest 0.75 in 2013: 4 reports, largest 1.00 in 2014: 4 reports, largest 1.75 in 2016: 7 reports, largest 2.50 in 2018: 1 reports, largest 0.75 in 2019: 3 reports, largest 1.00 in 2020 2022: 2 reports, largest 1.00 in 2023: 1 reports, largest 1.00 in 2026: 2 reports, largest 1.00 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.
0204060 Jan Feb March: 1 reports (1%) Mar April: 6 reports (4%) Apr May: 22 reports (15%) May June: 44 reports (30%) Jun July: 30 reports (20%) Jul August: 35 reports (23%) Aug September: 10 reports (7%) Sep October: 1 reports (1%) Oct Nov Dec
All 149 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 2 2
2025 0
2024 0
2023 1 1
2022 11 2
2021 0
2020 0
2019 21 3
2018 1 1
2017 0

Hail days since Nov 5, 2021

DateReportsLargestStorm page
Jun 29, 2026 1 1.00 in —
Jun 10, 2026 1 0.88 in —
Aug 8, 2023 1 1.00 in —
Jun 14, 2022 1 0.75 in —
May 29, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Koochiching County
Date Size Location Damage Time · source
May 15, 1998 3.00 inteacup International Falls $3.0 million 18:23 local · NCEI
Aug 22, 1995 3.00 inteacup International Falls — 17:35 local · NCEI
Jul 14, 2003 2.75 inbaseball Indus — 16:27 local · NCEI
Aug 16, 1998 2.75 inbaseball Littlefork — 17:27 local · NCEI
Aug 13, 1996 2.75 inbaseball Birchdale — 05:00 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 Koochiching County
Date Size Location Time · source
Jun 29, 2026 1.00 inquarter 1.95 WNW (Inl)intl Falls Arpt 18:20 local · NCEI
Jun 10, 2026 0.88 innickel 1.96 SW Silverdale 17:37 local · NCEI
Aug 8, 2023 1.00 inquarter 1.66 NNW Ray 13:55 local · NCEI
Jun 14, 2022 0.75 inpenny 0.46 W International Falls 17:52 local · NCEI
May 29, 2022 1.00 inquarter 1.53 WSW Ranier 19:53 local · NCEI
Jul 17, 2019 0.75 inpenny 0.46 W Little Fork 17:59 local · NCEI
Jun 4, 2019 1.00 inquarter 1.66 NNW Ray 12:07 local · NCEI
Jun 4, 2019 0.75 inpenny 2.91 SSE Falls Jct 11:45 local · NCEI
Jul 4, 2018 0.75 inpenny 1.95 SE Nakoda 06:45 local · NCEI
Aug 28, 2016 1.00 inquarter 1.15 NE Little Fork Hnvr Arp 21:20 local · NCEI
Jun 19, 2016 1.25 inhalf dollar 1.46 SSW Island View 08:45 local · NCEI
Jun 19, 2016 2.00 inhen egg 2.49 NNW Nakoda 08:43 local · NCEI

Cities and towns in Koochiching County

PlaceReportsLargest
International Falls293.00 in
Littlefork152.75 in
Big Falls101.50 in
Ranier101.75 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
Mizpah44Jun 26, 2006
Northome33Jun 28, 2003

Questions about hail in Koochiching County

How often does it hail in Koochiching County, Minnesota?

149 hail reports have been logged in Koochiching County since 1959. Over the 20 years 2006–2025 that averages 1.8 reports a year. That ranks #46 of 88 Minnesota counties by number of reports.

When is hail season in Koochiching County?

Most reports come in June, August, July. June alone accounts for 30% of all reports.

What is the largest hail recorded in Koochiching County?

3.00 in (teacup size) on May 15, 1998 near International Falls. 9% of reports here were 2 inches or larger.

When did it last hail in Koochiching County?

The most recent report in this data is from June 29, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 5, 2026.

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

5 separate days with hail reports since November 5, 2021, adding up to 5 reports. The most recent was June 29, 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.