Minnesota · St. Louis County
Flowage Lake Ice-Out Dates
The ice usually goes out of Flowage Lake around April 22 — the fourth week of April. Earliest ever: March 24 (2012). Latest: May 13 (2013).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
18 years on the books, 1997–2026. Newest first.
| Year | Ice-out date |
|---|---|
| 2026 | April 22 |
| 2021 | April 7 |
| 2019 | April 21 |
| 2015 | April 11 |
| 2014 | May 6 |
| 2013 | May 13 |
| 2012 | March 24 |
| 2011 | April 23 |
| 2009 | April 23 |
| 2008 | May 1 |
| 2007 | April 22 |
| 2006 | April 11 |
| 2005 | April 13 |
| 2004 | April 21 |
| 2003 | April 25 |
| 2001 | April 27 |
| 1998 | April 11 |
| 1997 | April 23 |
When Flowage freezes over
Flowage Lake usually freezes over around November 16 — the third week of November. Earliest on record: November 6 (2003–04). Latest: December 1 (2001–02).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2020–21 froze on November 16. Newest first.
| Winter | Ice-in date |
|---|---|
| 2020–21 | November 16 |
| 2018–19 | November 10 |
| 2013–14 | November 12 |
| 2008–09 | November 18 |
| 2007–08 | November 22 |
| 2006–07 | November 18 |
| 2005–06 | November 17 |
| 2004–05 | November 24 |
| 2003–04 | November 6 |
| 2001–02 | December 1 |
| 1999–00 | November 29 |
| 1998–99 | November 16 |
| 1997–98 | November 12 |
| 1996–97 | November 11 |
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.