Minnesota · Cass County
Birch Lake Ice-Out Dates
The ice usually goes out of Birch Lake around April 17 — the third week of April. Earliest ever: April 8 (2017). Latest: May 2 (2008).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
7 years on the books, 2005–2026. Newest first.
| Year | Ice-out date |
|---|---|
| 2026 | April 17 |
| 2017 | April 8 |
| 2015 | April 10 |
| 2014 | April 26 |
| 2009 | April 23 |
| 2008 | May 2 |
| 2005 | April 12 |
When Birch freezes over
Birch Lake usually freezes over around November 16 — the third week of November. Earliest on record: November 7 (2019–20). Latest: December 8 (2009–10).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2019–20 froze on November 7. Newest first.
| Winter | Ice-in date |
|---|---|
| 2019–20 | November 7 |
| 2014–15 | November 12 |
| 2013–14 | November 12 |
| 2012–13 | November 24 |
| 2010–11 | November 16 |
| 2009–10 | December 8 |
| 2004–05 | November 26 |
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.