Minnesota · St. Louis County
Black Duck Lake Ice-Out Dates
The ice usually goes out of Black Duck Lake around April 17 — the third week of April. Earliest ever: March 19 (2012). Latest: May 10 (2022).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
10 years on the books, 2005–2023. Newest first.
| Year | Ice-out date |
|---|---|
| 2023 | May 7 |
| 2022 | May 10 |
| 2021 | April 10 |
| 2019 | April 27 |
| 2016 | April 19 |
| 2015 | April 14 |
| 2012 | March 19 |
| 2010 | April 2 |
| 2007 | April 27 |
| 2005 | April 17 |
When Black Duck freezes over
Black Duck Lake usually freezes over around November 25 — the fourth week of November. Earliest on record: November 11 (2019–20). Latest: December 13 (2016–17).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2023–24 froze on November 27. Newest first.
| Winter | Ice-in date |
|---|---|
| 2023–24 | November 27 |
| 2021–22 | November 25 |
| 2019–20 | November 11 |
| 2016–17 | December 13 |
| 2012–13 | November 23 |
| 2011–12 | November 21 |
| 2006–07 | November 25 |
| 2004–05 | November 25 |
Records: Minnesota DNR ice-in records. Last checked August 2026.
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.