Overview
- Chicagoland drops to single digits Friday night, then below zero Saturday night, with Saturday highs only near 10–15 degrees.
- Wind chills in Chicago could reach -15 to -25 Sunday morning, and forecasters say levels may meet Cold Weather Advisory criteria.
- Several light snow rounds are possible through Saturday, with models shifting the heavier band south of Chicago and slick roads possible in far southwestern counties Thursday night.
- Metro Detroit holds chances for flakes Thursday and additional snow Friday into Saturday, with overnight lows in the single digits Sunday and Monday.
- Detroit wind chills are expected at or below zero both mornings, with some spots down to -10 to -15, before a warmup brings 20s Monday, 30s Tuesday–Wednesday and rain chances by midweek.