Minnesota · St. Louis County
Merrill Lake Ice-Out Dates
The ice usually goes out of Merrill Lake around April 29 — the fourth week of April. Earliest ever: April 12 (2015). Latest: May 11 (2013).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
5 years on the books, 2008–2015. Newest first.
| Year | Ice-out date |
|---|---|
| 2015 | April 12 |
| 2014 | May 5 |
| 2013 | May 11 |
| 2011 | April 22 |
| 2008 | April 29 |
When Merrill freezes over
Merrill Lake usually freezes over around November 24 — the fourth week of November. Earliest on record: November 15 (2014–15). Latest: December 1 (2024–25).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2024–25 froze on December 1. Newest first.
| Winter | Ice-in date |
|---|---|
| 2024–25 | December 1 |
| 2015–16 | November 28 |
| 2014–15 | November 15 |
| 2013–14 | November 19 |
| 2012–13 | November 24 |
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.