Minnesota · Itasca County
Shamrock Lake Ice-Out Dates
The ice usually goes out of Shamrock Lake around April 25 — the fourth week of April. Earliest ever: April 6 (2017). Latest: May 6 (2022).
April 25Usually around
April 6Earliest ever (2017)
May 6Latest ever (2022)
5Years of record (2017–2022)
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
5 years on the books, 2017–2022. Newest first.
| Year | Ice-out date |
|---|---|
| 2022 | May 6 |
| 2020 | April 19 |
| 2019 | April 25 |
| 2018 | May 3 |
| 2017 | April 6 |
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.