Minnesota · Isanti County
Florence Lake Ice-Out Dates
The ice usually goes out of Florence Lake around March 29 — the fourth week of March. Earliest ever: March 2 (2024). Latest: May 2 (2013).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
16 years on the books, 2007–2025. Newest first.
| Year | Ice-out date |
|---|---|
| 2025 | March 18 |
| 2024 | March 2 |
| 2023 | April 16 |
| 2022 | April 12 |
| 2021 | March 24 |
| 2020 | April 2 |
| 2019 | April 16 |
| 2018 | April 30 |
| 2017 | March 27 |
| 2016 | March 16 |
| 2015 | March 29 |
| 2013 | May 2 |
| 2012 | March 19 |
| 2011 | April 12 |
| 2010 | March 29 |
| 2007 | April 16 |
When Florence freezes over
Florence Lake usually freezes over around November 25 — the fourth week of November. Earliest on record: November 5 (2019–20). 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 December 1. Newest first.
| Winter | Ice-in date |
|---|---|
| 2025–26 | December 1 |
| 2024–25 | November 29 |
| 2023–24 | November 25 |
| 2022–23 | November 19 |
| 2021–22 | December 7 |
| 2020–21 | December 2 |
| 2019–20 | November 5 |
| 2018–19 | November 10 |
| 2017–18 | December 6 |
| 2016–17 | December 8 |
| 2015–16 | December 19 |
| 2014–15 | November 12 |
| 2013–14 | November 18 |
| 2012–13 | November 25 |
| 2011–12 | November 20 |
| 2010–11 | November 23 |
| 2009–10 | December 4 |
| 2007–08 | November 26 |
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.