Overview

• Wisconsin cities, including Madison and Milwaukee, experienced nearly 60-degree temperature swings from Tuesday to Wednesday, marking a return to winter conditions.
• Madison tied its 113-year-old temperature record with a 59-degree swing, while Milwaukee's change may have broken previous records set in 1911 and 1934.
• The temperature fluctuations broke records for the date, all of February, and any winter season date in both cities.
• Parts of Milwaukee reported snowfall overnight, adding to the dramatic weather changes.
• The unseasonably warm winter in Wisconsin has been attributed to a strong El Niño event, causing above-average temperatures and below-average snowfall.