Minnesota · Beltrami County
Cass Lake Ice-Out Dates
The ice usually goes out of Cass Lake around April 27 — the fourth week of April. Earliest ever: April 6 (2021). Latest: May 12 (2008).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
11 years on the books, 1998–2026. Newest first.
| Year | Ice-out date |
|---|---|
| 2026 | April 27 |
| 2025 | April 27 |
| 2024 | April 7 |
| 2023 | May 8 |
| 2022 | May 8 |
| 2021 | April 6 |
| 2020 | April 30 |
| 2016 | April 20 |
| 2008 | May 12 |
| 2005 | April 16 |
| 1998 | April 17 |
When Cass freezes over
Cass Lake usually freezes over around December 4 — the first week of December. Earliest on record: November 24 (2008–09). Latest: January 7 (2023–24).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2025–26 froze on December 4. Newest first.
| Winter | Ice-in date |
|---|---|
| 2025–26 | December 4 |
| 2024–25 | December 4 |
| 2023–24 | January 7 |
| 2022–23 | December 1 |
| 2016–17 | December 13 |
| 2008–09 | November 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.