Minnesota · Itasca County
Hartley Lake Ice-Out Dates
The ice usually goes out of Hartley Lake around April 23 — the fourth week of April. Earliest ever: April 13 (2005). Latest: May 4 (2018).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
11 years on the books, 2002–2020. Newest first.
| Year | Ice-out date |
|---|---|
| 2020 | April 23 |
| 2019 | April 25 |
| 2018 | May 4 |
| 2015 | April 15 |
| 2008 | May 3 |
| 2007 | April 24 |
| 2006 | April 14 |
| 2005 | April 13 |
| 2004 | April 21 |
| 2003 | April 25 |
| 2002 | April 22 |
When Hartley freezes over
Hartley Lake usually freezes over around November 24 — the fourth week of November. Earliest on record: November 10 (2017–18). Latest: December 25 (2015–16).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2017–18 froze on November 10. Newest first.
| Winter | Ice-in date |
|---|---|
| 2017–18 | November 10 |
| 2015–16 | December 25 |
| 2008–09 | November 19 |
| 2007–08 | November 22 |
| 2006–07 | November 18 |
| 2005–06 | November 27 |
| 2004–05 | November 25 |
| 2003–04 | November 24 |
| 2002–03 | December 4 |
| 2001–02 | December 6 |
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.