Minnesota · Cass County
Blackwater Lake Ice-Out Dates
The ice usually goes out of Blackwater Lake around April 19 — the third week of April. Earliest ever: March 25 (2012). Latest: May 13 (2013).
April 19Usually around
March 25Earliest ever (2012)
May 13Latest ever (2013)
18Years of record (1996–2022)
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
18 years on the books, 1996–2022. Newest first.
| Year | Ice-out date |
|---|---|
| 2022 | May 7 |
| 2021 | April 6 |
| 2020 | April 22 |
| 2018 | May 3 |
| 2017 | April 5 |
| 2016 | April 8 |
| 2015 | April 11 |
| 2014 | April 30 |
| 2013 | May 13 |
| 2012 | March 25 |
| 2011 | April 25 |
| 2008 | May 4 |
| 2007 | April 20 |
| 2006 | April 12 |
| 2005 | April 14 |
| 2003 | April 16 |
| 2002 | April 19 |
| 1996 | May 4 |
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.