Minnesota · Chisago County
Pioneer Lake Ice-Out Dates
The ice usually goes out of Pioneer Lake around April 9 — the second week of April. Earliest ever: March 15 (2016). Latest: April 29 (2018).
April 9Usually around
March 15Earliest ever (2016)
April 29Latest ever (2018)
10Years of record (2003–2023)
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
10 years on the books, 2003–2023. Newest first.
| Year | Ice-out date |
|---|---|
| 2023 | April 15 |
| 2022 | April 11 |
| 2020 | March 30 |
| 2019 | April 9 |
| 2018 | April 29 |
| 2017 | March 20 |
| 2016 | March 15 |
| 2015 | March 25 |
| 2014 | April 22 |
| 2003 | April 10 |
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.