Minnesota · Olmsted County
Zumbro Lake Ice-Out Dates
The ice usually goes out of Zumbro Lake around March 29 — the fourth week of March. Earliest ever: February 22 (2017). Latest: April 21 (2013).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
25 years on the books, 1997–2026. Newest first.
| Year | Ice-out date |
|---|---|
| 2026 | March 22 |
| 2023 | April 6 |
| 2022 | April 7 |
| 2020 | March 14 |
| 2019 | March 27 |
| 2018 | April 21 |
| 2017 | February 22 |
| 2016 | March 11 |
| 2015 | April 1 |
| 2014 | April 9 |
| 2013 | April 21 |
| 2012 | March 16 |
| 2010 | March 29 |
| 2009 | March 31 |
| 2008 | March 29 |
| 2007 | March 24 |
| 2005 | March 31 |
| 2004 | March 27 |
| 2003 | April 2 |
| 2002 | April 5 |
| 2001 | April 7 |
| 2000 | March 6 |
| 1999 | March 28 |
| 1998 | March 22 |
| 1997 | March 21 |
When Zumbro freezes over
Zumbro Lake usually freezes over around December 1 — the first week of December. Earliest on record: November 13 (2014–15). Latest: December 28 (2015–16).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2025–26 froze on December 1. Newest first.
| Winter | Ice-in date |
|---|---|
| 2025–26 | December 1 |
| 2024–25 | November 30 |
| 2022–23 | November 21 |
| 2017–18 | December 8 |
| 2015–16 | December 28 |
| 2014–15 | November 13 |
| 2013–14 | November 23 |
| 2012–13 | December 13 |
| 2007–08 | November 29 |
| 2006–07 | December 2 |
| 2004–05 | December 14 |
| 2003–04 | December 1 |
| 2002–03 | November 26 |
| 2001–02 | December 21 |
| 2000–01 | November 21 |
| 1999–00 | December 16 |
| 1998–99 | December 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.