Minnesota · Itasca County
Napoleon Lake Ice-Out Dates
The ice usually goes out of Napoleon Lake around April 26 — the fourth week of April. Earliest ever: April 24 (2026). Latest: May 9 (2022).
April 26Usually around
April 24Earliest ever (2026)
May 9Latest ever (2022)
5Years of record (2018–2026)
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
5 years on the books, 2018–2026. Newest first.
| Year | Ice-out date |
|---|---|
| 2026 | April 24 |
| 2022 | May 9 |
| 2020 | April 25 |
| 2019 | April 26 |
| 2018 | May 3 |
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.