Minnesota · Martin County
Willmert Lake Ice-Out Dates
The ice usually goes out of Willmert Lake around March 20 — the third week of March. Earliest ever: February 25 (2024). Latest: April 29 (2018).
March 20Usually around
February 25Earliest ever (2024)
April 29Latest ever (2018)
10Years of record (2017–2026)
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
10 years on the books, 2017–2026. Newest first.
| Year | Ice-out date |
|---|---|
| 2026 | March 9 |
| 2025 | March 14 |
| 2024 | February 25 |
| 2023 | April 11 |
| 2022 | March 23 |
| 2021 | March 19 |
| 2020 | March 25 |
| 2019 | April 1 |
| 2018 | April 29 |
| 2017 | March 20 |
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.