Minnesota · Otter Tail County
Tonseth Lake Ice-Out Dates
The ice usually goes out of Tonseth Lake around April 15 — the third week of April. Earliest ever: March 22 (2012). Latest: May 9 (2013).
April 15Usually around
March 22Earliest ever (2012)
May 9Latest ever (2013)
38Years of record (1981–2022)
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
38 years on the books, 1981–2022. Newest first.
| Year | Ice-out date |
|---|---|
| 2022 | May 3 |
| 2017 | April 3 |
| 2016 | March 26 |
| 2015 | April 11 |
| 2014 | April 23 |
| 2013 | May 9 |
| 2012 | March 22 |
| 2011 | April 26 |
| 2010 | April 2 |
| 2009 | April 24 |
| 2008 | May 2 |
| 2007 | April 19 |
| 2006 | April 12 |
| 2005 | April 9 |
| 2004 | April 7 |
| 2003 | April 13 |
| 2002 | April 16 |
| 2001 | April 25 |
| 2000 | March 25 |
| 1999 | April 9 |
| 1998 | April 7 |
| 1997 | April 28 |
| 1996 | April 30 |
| 1995 | April 21 |
| 1994 | April 15 |
| 1993 | April 18 |
| 1992 | April 5 |
| 1991 | April 10 |
| 1990 | April 21 |
| 1989 | April 23 |
| 1988 | April 9 |
| 1987 | April 9 |
| 1986 | April 12 |
| 1985 | April 17 |
| 1984 | April 15 |
| 1983 | April 17 |
| 1982 | April 23 |
| 1981 | April 1 |
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.