IceOutDates.com

Minnesota · Wright County · DOW 86-0193-00

Mary Lake Ice-Out Dates

The ice usually goes out of Mary Lake around April 10 — the second week of April. Earliest ever: March 3 (1973). Latest: May 2 (2013).

Mary Lake ice-out dates, 1969–2023FebMarAprMay1969: April 161970: April 181971: April 151972: April 211973: March 31974: April 181975: April 261976: April 21977: April 81978: April 131979: April 221980: April 181981: March 241982: April 171983: April 121984: April 121985: April 71986: April 71987: March 171988: April 31989: April 161990: March 31991: April 61992: April 51993: April 181994: April 121995: April 31996: April 241997: April 181998: March 311999: March 312000: March 92001: April 192002: April 162003: April 82004: April 22005: April 82006: April 72007: March 312008: April 232009: April 102011: April 122012: March 192013: May 22014: April 212015: April 12016: March 162017: March 282018: May 22019: April 192020: April 22021: March 292022: April 13Usually Apr 102023: April 192023
April 10Usually around
March 3Earliest ever (1973)
May 2Latest ever (2013)
54Years of record (1969–2023)

The 2027 season

Tracking resumes when the ice forms.

Every recorded ice-out

54 years on the books, 1969–2023. Newest first.

YearIce-out date
2023April 19
2022April 13
2021March 29
2020April 2
2019April 19
2018May 2
2017March 28
2016March 16
2015April 1
2014April 21
2013May 2
2012March 19
2011April 12
2009April 10
2008April 23
2007March 31
2006April 7
2005April 8
2004April 2
2003April 8
2002April 16
2001April 19
2000March 9
1999March 31
1998March 31
1997April 18
1996April 24
1995April 3
1994April 12
1993April 18
1992April 5
1991April 6
1990March 3
1989April 16
1988April 3
1987March 17
1986April 7
1985April 7
1984April 12
1983April 12
1982April 17
1981March 24
1980April 18
1979April 22
1978April 13
1977April 8
1976April 2
1975April 26
1974April 18
1973March 3
1972April 21
1971April 15
1970April 18
1969April 16

When Mary freezes over

Mary Lake usually freezes over around December 1 — the first week of December. Earliest on record: November 15 (1991–92). Latest: December 20 (1998–99).

December 1Usually freezes around
November 15 Earliest on record (1991–92)
December 20 Latest on record (1998–99)
41 Winters of record (1968–2009)

A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2008–09 froze on November 25. Newest first.

WinterIce-in date
2008–09November 25
2007–08December 1
2006–07December 1
2005–06November 30
2004–05December 14
2003–04November 29
2002–03November 25
2001–02December 20
2000–01November 24
1999–00December 16
1998–99December 20
1997–98November 16
1996–97November 21
1995–96November 23
1994–95December 10
1993–94November 26
1992–93December 5
1991–92November 15
1990–91December 2
1989–90November 23
1988–89December 1
1987–88December 4
1986–87November 16
1985–86November 21
1984–85December 4
1983–84December 1
1982–83December 8
1981–82December 5
1980–81December 2
1979–80December 2
1978–79November 21
1977–78November 26
1976–77November 28
1975–76November 26
1974–75December 1
1973–74December 7
1972–73December 8
1971–72November 29
1970–71December 1
1969–70November 25
1968–69December 5

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.

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