Minnesota · Le Sueur County
Middle Jefferson Lake Ice-Out Dates
The ice usually goes out of Middle Jefferson Lake around April 3 — the first week of April. Earliest ever: March 7 (2000). Latest: April 18 (1979).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
34 years on the books, 1978–2025. Newest first.
| Year | Ice-out date |
|---|---|
| 2025 | March 15 |
| 2021 | March 24 |
| 2020 | March 29 |
| 2008 | April 16 |
| 2007 | March 27 |
| 2006 | April 5 |
| 2005 | April 4 |
| 2004 | March 28 |
| 2003 | March 26 |
| 2002 | April 7 |
| 2001 | April 14 |
| 2000 | March 7 |
| 1999 | March 27 |
| 1998 | March 28 |
| 1997 | April 5 |
| 1996 | April 14 |
| 1995 | March 24 |
| 1994 | April 2 |
| 1993 | April 15 |
| 1992 | April 5 |
| 1991 | April 4 |
| 1990 | March 16 |
| 1989 | April 8 |
| 1988 | March 28 |
| 1987 | March 8 |
| 1986 | April 3 |
| 1985 | April 3 |
| 1984 | April 12 |
| 1983 | April 3 |
| 1982 | April 2 |
| 1981 | March 14 |
| 1980 | April 12 |
| 1979 | April 18 |
| 1978 | April 7 |
When Middle Jefferson freezes over
Middle Jefferson Lake usually freezes over around November 20 — the third week of November. Earliest on record: November 6 (2003–04). Latest: December 13 (2004–05).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2022–23 froze on November 19. Newest first.
| Winter | Ice-in date |
|---|---|
| 2022–23 | November 19 |
| 2008–09 | November 20 |
| 2007–08 | November 30 |
| 2006–07 | December 1 |
| 2004–05 | December 13 |
| 2003–04 | November 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.