Hail History

Hail history for Hermantown, Minnesota

NOAA hail reports in and within about 5 km (3 miles) of Hermantown since 1981, with preliminary reports to November 3, 2026.

Readout · Hermantown

Last hail
Apr 17, 2026
1.25 in, half dollar size
Hail days, last 5 years
4
since Nov 3, 2021 · 9 reports
Largest ever
2.50 in
tennis ball · May 14, 2007

38 reports on 24 days since 1981 · #37 of 451 Minnesota places

Hail map · Hermantown

Hermantown Proctor Duluth Rice Lake Esko Cloquet Cromwell 50 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
38 most recent reports with a location; St. Louis County is shaded. Open street map

For homeowners

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Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Hermantown is from April 17, 2026. A local roofer can check and document it at no cost.

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What the record says about Hermantown

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

Over the 20 years 2006–2025, Hermantown logged 31 reports on 18 hail days, about 1.6 reports a year. That is 3.4 times the median Minnesota town on this site (0.5 a year) and ranks #37 of 451 Minnesota cities and towns on this site for all-time reports. Hermantown accounts for 7% of the 535 reports filed in St. Louis 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 2.50 in (tennis ball) on May 14, 2007 near Pike Lake.

Reports held about level in 2016–2025 (15) compared with 2006–2015 (16). The busiest year was 2011, with 6 reports on 3 days. Hail here peaks in June (24% of reports); 45% fall between April and June.

Reports a year 2006–2025 average

  • Hermantown 1.6
  • St. Louis County 17.5
  • Median Minnesota town on this site 0.5

Hail days 2006–2025

  • Hermantown 18
  • St. Louis County 118
  • Median Minnesota town on this site 7

Share 2 in or larger of sized reports

  • Hermantown 3%
  • St. Louis County 8%
  • Median Minnesota town on this site 6%

Hail over time

0246 1981: 1 reports, largest 0.75 in 1990 1998: 2 reports, largest 1.25 in 2000 2002: 1 reports, largest 0.88 in 2004: 1 reports, largest 1.00 in 2006: 3 reports, largest 1.50 in 2007: 1 reports, largest 2.50 in 2008: 1 reports, largest 0.75 in 2010: 2 reports, largest 1.00 in 2010 2011: 6 reports, largest 1.50 in 2014: 1 reports, largest 0.88 in 2015: 2 reports, largest 0.88 in 2016: 1 reports, largest 0.75 in 2018: 2 reports, largest 1.00 in 2020 2021: 5 reports, largest 1.50 in 2022: 4 reports, largest 1.25 in 2023: 3 reports, largest 1.00 in 2026: 2 reports, largest 1.25 in
Reports per year, 1981–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0369 Jan Feb Mar April: 2 reports (5%) Apr May: 6 reports (16%) May June: 9 reports (24%) Jun July: 8 reports (21%) Jul August: 7 reports (18%) Aug September: 5 reports (13%) Sep October: 1 reports (3%) Oct Nov Dec
All 38 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 2 2
2025 0
2024 0
2023 3 3
2022 4 4
2021 212 5
2020 0
2019 0
2018 2 2
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Apr 17, 2026 2 1.25 in —
Jul 19, 2023 3 1.00 in —
May 30, 2022 3 1.25 in —
May 18, 2022 1 0.75 in —

Largest hail on record

Largest hail reports in Hermantown
Date Size Location County Time · source
May 14, 2007 2.50 intennis ball Pike Lake St. Louis 15:15 local · NCEI
Sep 16, 2021 1.50 inping pong ball 0.47 E Munger St. Louis 23:15 local · NCEI
Aug 8, 2011 1.50 inping pong ball 1.46 NNE Eldes Corner St. Louis 17:00 local · NCEI
Jul 28, 2006 1.50 inping pong ball 10 W Duluth St. Louis 16:02 local · NCEI
Apr 17, 2026 1.25 inhalf dollar 0.47 E Simar St. Louis 14:51 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Hermantown
Date Size Location County Time · source
Apr 17, 2026 1.25 inhalf dollar 0.47 E Simar St. Louis 14:51 local · NCEI
Apr 17, 2026 1.00 inquarter 0.84 NW Four Corners St. Louis 14:00 local · NCEI
Jul 19, 2023 1.00 inquarter 0.84 SW (Dlh)duluth Intl Arp St. Louis 18:00 local · NCEI
Jul 19, 2023 1.00 inquarter 2.81 SW (Dlh)duluth Intl Arp St. Louis 18:00 local · NCEI
Jul 19, 2023 0.75 inpenny 1.38 N Adolph St. Louis 17:55 local · NCEI
May 30, 2022 1.25 inhalf dollar 1.17 NE Simar St. Louis 04:05 local · NCEI
May 30, 2022 1.00 inquarter 0.84 NW Four Corners St. Louis 04:00 local · NCEI
May 30, 2022 1.00 inquarter 0.47 E Pike Lake St. Louis 03:59 local · NCEI
May 18, 2022 0.75 inpenny 2.13 SSW Duluth Intl Arpt St. Louis 15:24 local · NCEI
Sep 16, 2021 1.50 inping pong ball 0.47 E Munger St. Louis 23:15 local · NCEI
Sep 16, 2021 1.00 inquarter 0.47 W Four Corners St. Louis 23:05 local · NCEI
Jul 26, 2021 0.75 inpenny Four Corners St. Louis 19:01 local · NCEI

Hail history near Hermantown

Questions about hail in Hermantown

How often does it hail in Hermantown, Minnesota?

38 hail reports have been logged in and within about 5 km (3 miles) of Hermantown since 1981. Over the 20 years 2006–2025 that averages 1.6 reports a year. That ranks #37 of 451 Minnesota places by number of reports.

When is hail season in Hermantown?

Most reports come in June, July, August. June alone accounts for 24% of all reports.

What is the largest hail recorded in Hermantown?

2.50 in (tennis ball size) on May 14, 2007 near Pike Lake. 3% of reports here were 2 inches or larger.

When did it last hail in Hermantown?

The most recent report in this data is from April 17, 2026 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

4 separate days with hail reports since November 3, 2021, adding up to 9 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.