Frigid air temperatures, combined with cold water and low winds, helped Lake Mendota officially freeze on December 25th, 2022. The declaration came from the Wisconsin State Climatology Office. Lake Mendota, the largest lake in the Yahara Watershed, froze five days after December 20th. December 20th is the median ice-on date for the largest lake in the Yahara River Watershed. The Christmas Day freeze date is over a month shy of January 30th – which is the latest date that ice-on has ever been declared (1/30/1932).
Ice-on for Lake Mendota
It’s official – Lake Mendota freezes over!
Temperatures below the freezing mark, combined with cold water, helped Lake Mendota officially freeze in the early morning hours on Friday, January 7, 2022. The official declaration comes from the Wisconsin State Climatology Office. Lake Mendota, the largest lake in the Yahara Watershed, froze 23 days shy of January 30th. The latest ice-on date ever declared was on January 30th, 1932.
Lake Mendota Freezes Over
Ice-on date arrives days after the new year
Air temperatures below the freezing mark throughout the last week, combined with cold water helped Lake Mendota officially freeze on Sunday, January 3rd, 2021, as declared by the Wisconsin State Climatology Office. Lake Mendota, the largest lake in the Yahara Watershed, froze 27 days shy of January 30th – which is the latest date that ice-on has ever been declared (1/30/1932).