Overview
- The National Weather Service has winter storm warnings and advisories across multiple states, with up to 14 inches of snow possible in select corridors from Monday through Wednesday.
- Chicago forecasters flag a freezing rain risk for the evening commute before a change to snow by Wednesday morning, with wind gusts that could exceed 40 mph reducing visibility.
- Metro Detroit faces two rounds of wintry weather, including a morning coating and a stronger late system; the Thumb is under an advisory with 3 to 5 inches expected and a refreeze threat Wednesday.
- Southeast Wisconsin will straddle a sharp rain–snow line near I-94, with rain or freezing rain to the south and up to about 3 inches of snow north before temperatures fall and roads turn slick.
- Across the Northeast and Great Lakes, Wednesday brings rain changing to snow in higher terrain after an exceptionally cold start to December in Boston, followed by another Arctic blast late week with single-digit to teens highs and subzero wind chills in spots.