Minnesota · Sherburne County
Upper Orono Lake Ice-Out Dates
The ice usually goes out of Upper Orono Lake around April 2 — the first week of April. Earliest ever: March 27 (2017). Latest: April 27 (2018).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
5 years on the books, 2017–2025. Newest first.
| Year | Ice-out date |
|---|---|
| 2025 | March 28 |
| 2020 | April 2 |
| 2019 | April 10 |
| 2018 | April 27 |
| 2017 | March 27 |
When Upper Orono freezes over
Upper Orono Lake usually freezes over around November 28 — the fourth week of November. Earliest on record: November 10 (2018–19). Latest: December 19 (2015–16).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2025–26 froze on November 28. Newest first.
| Winter | Ice-in date |
|---|---|
| 2025–26 | November 28 |
| 2024–25 | November 28 |
| 2022–23 | November 20 |
| 2018–19 | November 10 |
| 2017–18 | December 7 |
| 2015–16 | December 19 |
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.