Cold/Wind Chill — Ontonagon, Michigan

2025-01-18 to 2025-01-22 · Ontonagon, Michigan

Event narrative

Wind chill temperatures dipped into the 25 below to 40 below zero range at times from the 19th into the 21st. Most schools were closed throughout Ontonagon County on the 20th and 21st due to the bitter cold.

Wider weather episode

An arctic air mass enveloping the Upper Great Lakes impacted Upper Michigan with several days of bitter cold temperatures and wind chills along with prolonged moderate snow over the west to northwest wind snow belts.

Source: NOAA Storm Events Database, event_id 1229107. Narrative written by the NWS forecast office that issued the report.