Winter Storm 2024 Portland. An ice storm warning was issued for the portland metro area, southwest washington and the willamette valley area starting tuesday at 1 p.m. After one of the warmest decembers on record — and a mild start to january — heavy mountain snow and frosty temperatures are headed for the portland area in the coming.

After one of the warmest decembers on record — and a mild start to january — heavy mountain snow and frosty temperatures are headed for the portland area in the coming. Here’s an overview of things to know about portland’s january 2024 winter storm, as of wednesday early.