Minnesota · Cass County
Portage Lake Ice-Out Dates
The ice usually goes out of Portage Lake around April 26 — the fourth week of April. Earliest ever: April 21 (2003). Latest: May 19 (2004).
April 26Usually around
April 21Earliest ever (2003)
May 19Latest ever (2004)
7Years of record (2002–2020)
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
7 years on the books, 2002–2020. Newest first.
| Year | Ice-out date |
|---|---|
| 2020 | April 26 |
| 2008 | May 7 |
| 2007 | April 21 |
| 2005 | April 25 |
| 2004 | May 19 |
| 2003 | April 21 |
| 2002 | April 27 |
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.