University of Wisconsin–Madison

Tag: lake ice

Where Does Lake Mendota’s 2025 Freeze Date Rank in the 170-Year Record?

It’s official! Just as we were waking up from ringing in the New Year, the Wisconsin State Climatology Office declared January 1, 2026 as the date that Lake Mendota officially froze for the 2025/26 winter season. Here at the CFL it’s hard to feel like winter has truly begun until the last of Madison’s lakes …

Be Careful on Frozen Lakes – Especially During “Shoulder Season”

Yesterday evening as sunset was casting a rosy pink band of light across the frozen surface of Lake Monona near Olbrich Park, two people skated across its newly frozen surface. This morning, a semi-frozen Lake Mendota offered flocks of Canada geese, mallards and mergansers rippling open waters to swim in punctuated by long stretches of …

Recent News A Stark Reminder That No Ice Is 100% Safe

Last Saturday, with temperatures hovering in the mid-teens, an experienced ice-angler died when his ATV broke through the ice on Lake Waubesa. A few days prior, a woman walking her dog fell through the ice near the Spring Harbor Boat Launch but was saved thanks to the quick thinking of a nearby fisherman. It might …

Where Does Lake Mendota’s 2022 Christmas Freeze Fall in Historic Ice Records?

For fans of ice fishing, ice skating, cross-country skiing and just enjoying a winter walk, this holiday season was especially timely. One year ago today, Lake Mendota was still making waves and waiting on its annual ice cap. This winter, however, Madison’s biggest lake received a literal Christmas present – the Wisconsin State Climatology Office …

January Freeze Dates Becoming the Norm for Madison Lakes

When Lake Monona in Madison, Wisconsin froze over a few days after New Year’s Eve, it marked the beginning of “ice season,” a time of year when (once the ice gets thick enough, of course) the iconic bodies of water in this lake-rich city suddenly become host to a variety of outdoor pursuits. Winter is …

Why Do We Say Lake Mendota is Frozen Before it’s Fully Frozen?

This weekend, the Center for Limnology Twitter account was tagged in a post from the UW Department of Emergency Medicine’s chief flight physician and pilot, Mike Abernethy, who had been flying a helicopter over Lake Mendota on Saturday, January 9th. It’s a really cool view of the lake and you should watch it here. While …