Hail history for Keweenaw County, Michigan
Every NOAA hail report filed in Keweenaw County since 1955, with preliminary National Weather Service reports to November 3, 2026.
Readout · Keweenaw County
- Last hail
- Jul 12, 2026
- 1.75 in, golf ball size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 2.00 in
- hen egg · Jun 14, 1994
8 reports on 8 days since 1955 · #84 of 84 Michigan counties
Hail map · Keweenaw County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Keweenaw County
The latest hail report in Keweenaw County is from July 12, 2026, 1.75 in (golf ball size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.75 in on July 12, 2026.
Over the 20 years 2006–2025, Keweenaw County logged 4 reports on 4 hail days, about 0.2 reports a year. That is 16% of the median Michigan county (1.3 a year) and ranks #84 of 84 Michigan counties for all-time reports. Keweenaw County holds 0% of all 6,085 hail reports in Michigan.
13% of reports with a size were 2 inches (hen egg) or larger, against 4% for the median Michigan county. The largest hail on record here is 2.00 in (hen egg) on June 14, 1994 near Copper Harbor.
Hail here peaks in June (63% of reports); 63% fall between April and June.
Reports a year 2006–2025 average
- Keweenaw County 0.2
- Median Michigan county 1.3
Hail days 2006–2025
- Keweenaw County 4
- Median Michigan county 17
Share 2 in or larger of sized reports
- Keweenaw County 13%
- Median Michigan county 4%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 12, 2026 | 1 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jun 14, 1994 | 2.00 inhen egg | Copper Harbor | $5K | 12:30 local · NCEI |
| Jul 12, 2026 | 1.75 ingolf ball | 12.24 SW Mott Island | — | 07:00 local · NCEI |
| Aug 7, 2017 | 1.00 inquarter | 1.96 NE Mott Island | — | 16:25 local · NCEI |
| Jun 17, 2007 | 1.00 inquarter | Phoenix | — | 20:32 local · NCEI |
| Jul 15, 2006 | 0.88 innickel | Isle Royal Nat Park | — | 23:00 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
- Under 1 in 4 50%
- 1–2 in 3 38%
- 2 in + 1 13%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jul 12, 2026 | 1.75 ingolf ball | 12.24 SW Mott Island | — | 07:00 local · NCEI |
| Aug 7, 2017 | 1.00 inquarter | 1.96 NE Mott Island | — | 16:25 local · NCEI |
| Jun 3, 2011 | 0.75 inpenny | Mohawk | — | 23:50 local · NCEI |
| Jun 17, 2007 | 1.00 inquarter | Phoenix | — | 20:32 local · NCEI |
| Jul 15, 2006 | 0.88 innickel | Isle Royal Nat Park | — | 23:00 local · NCEI |
| Jun 7, 2004 | 0.75 inpenny | Windigo | — | 19:45 local · NCEI |
| Jun 14, 1994 | 2.00 inhen egg | Copper Harbor | $5K | 12:30 local · NCEI |
| Jun 5, 1955 | 0.75 inpenny | — | — | 15:00 local · NCEI |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Fulton | 2 | 2 | Sep 1, 2013 |
| Eagle River | 1 | 1 | Jun 17, 2007 |
| Mohawk | 1 | 1 | Jun 5, 1955 |
Questions about hail in Keweenaw County
How often does it hail in Keweenaw County, Michigan?
8 hail reports have been logged in Keweenaw County since 1955. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #84 of 84 Michigan counties by number of reports.
When is hail season in Keweenaw County?
Most reports come in June, July, August. June alone accounts for 63% of all reports.
What is the largest hail recorded in Keweenaw County?
2.00 in (hen egg size) on June 14, 1994 near Copper Harbor. 13% of reports here were 2 inches or larger.
When did it last hail in Keweenaw County?
The most recent report in this data is from July 12, 2026 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Keweenaw County had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was July 12, 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.