Minnesota · Cass County
Little Thunder (West Bay) Lake Ice-Out Dates
The ice usually goes out of Little Thunder (West Bay) Lake around April 16 — the third week of April. Earliest ever: March 17 (2024). Latest: May 1 (2018).
April 16Usually around
March 17Earliest ever (2024)
May 1Latest ever (2018)
6Years of record (2003–2024)
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
6 years on the books, 2003–2024. Newest first.
| Year | Ice-out date |
|---|---|
| 2024 | March 17 |
| 2023 | April 30 |
| 2018 | May 1 |
| 2007 | April 20 |
| 2005 | April 16 |
| 2003 | April 15 |
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.