Minnesota · Cass County
Lost Lake Ice-Out Dates
The ice usually goes out of Lost Lake around April 15 — the third week of April. Earliest ever: March 31 (2016). Latest: April 29 (2008).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
11 years on the books, 2001–2017. Newest first.
| Year | Ice-out date |
|---|---|
| 2017 | April 4 |
| 2016 | March 31 |
| 2015 | April 12 |
| 2008 | April 29 |
| 2007 | April 19 |
| 2006 | April 11 |
| 2005 | April 11 |
| 2004 | April 15 |
| 2003 | April 15 |
| 2002 | April 17 |
| 2001 | April 26 |
When Lost freezes over
Lost Lake usually freezes over around November 19 — the third week of November. Earliest on record: November 10 (2017–18). Latest: November 25 (2004–05).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2018–19 froze on November 13. Newest first.
| Winter | Ice-in date |
|---|---|
| 2018–19 | November 13 |
| 2017–18 | November 10 |
| 2008–09 | November 19 |
| 2007–08 | November 23 |
| 2006–07 | November 19 |
| 2005–06 | November 21 |
| 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.