Minnesota · Cass County
Little Boy Lake Ice-Out Dates
The ice usually goes out of Little Boy Lake around April 21 — the third week of April. Earliest ever: March 27 (2012). Latest: May 13 (2013).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
19 years on the books, 1983–2026. Newest first.
| Year | Ice-out date |
|---|---|
| 2026 | April 21 |
| 2023 | May 3 |
| 2022 | May 6 |
| 2020 | April 22 |
| 2019 | April 26 |
| 2018 | May 4 |
| 2017 | April 5 |
| 2016 | April 9 |
| 2015 | April 12 |
| 2014 | May 1 |
| 2013 | May 13 |
| 2012 | March 27 |
| 2011 | April 26 |
| 2009 | April 23 |
| 2006 | April 11 |
| 2004 | April 19 |
| 2003 | April 20 |
| 2002 | April 21 |
| 1983 | April 21 |
When Little Boy freezes over
Little Boy Lake usually freezes over around December 1 — the first week of December. Earliest on record: November 20 (2018–19). Latest: December 28 (2015–16).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2023–24 froze on December 1. Newest first.
| Winter | Ice-in date |
|---|---|
| 2023–24 | December 1 |
| 2022–23 | December 3 |
| 2021–22 | December 7 |
| 2020–21 | November 30 |
| 2019–20 | December 2 |
| 2018–19 | November 20 |
| 2016–17 | December 10 |
| 2015–16 | December 28 |
| 2014–15 | November 21 |
| 2013–14 | November 24 |
| 2010–11 | November 28 |
| 2009–10 | December 8 |
| 2008–09 | December 1 |
| 2003–04 | November 29 |
| 2002–03 | November 25 |
| 2001–02 | December 20 |
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.