Winter Storms in Wisconsin
Although the number of winter storms that affect at least a small part of Wisconsin varies from year to year, the state averages about 12 storms each season (based on the last two decades).
A winter storm is defined as consisting of one of the following events and affects at least one county:
The first winter storm of last winter affected northwest Wisconsin on November 13.
The table below displays winter seasons and the date of the first winter storm that season. Based on data that goes back to the winter of 1982-83, the average date of the first winter storm of the season in Wisconsin is around November 10.
Below is a graph showing the number of winter storms to affect Wisconsin each season.
Some information in this story compiled by NWS Milwaukee/Sullivan.