Minnesota · Dakota County

O'Leary Lake Ice-Out Dates

The ice usually goes out of O'Leary Lake around April 3 — the first week of April. Earliest ever: March 8 (2000). Latest: April 19 (1996).

O'Leary Lake ice-out dates, 1991–2008MarApr1991: April 11992: April 61993: April 101994: April 21996: April 191998: March 271999: April 12000: March 82001: April 152002: April 122003: April 22004: April 32005: April 62007: March 27Usually Apr 32008: April 172008
April 3Usually around
March 8Earliest ever (2000)
April 19Latest ever (1996)
15Years of record (1991–2008)

The 2027 season

Tracking resumes when the ice forms.

Every recorded ice-out

15 years on the books, 1991–2008. Newest first.

YearIce-out date
2008April 17
2007March 27
2005April 6
2004April 3
2003April 2
2002April 12
2001April 15
2000March 8
1999April 1
1998March 27
1996April 19
1994April 2
1993April 10
1992April 6
1991April 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.

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