Cold/Wind Chill in Central Copper Valley, Alaska

Cold/Wind Chill January 2, 2026 – January 4, 2026 · Central Copper Valley, Alaska

What the National Weather Service wrote

The Gulkana ASOS (PAGK) reported extremely cold wind chills below -55F starting 8:00 PM AKST January 2. After a brief warmup the afternoon of January 3, wind chills plunged to reach a minimum of -72F the morning of January 4. Wind chills warmed above -55F the evening of January 4.

The wider storm

A very cold Arctic airmass over the Yukon/Northwest Territories of Canada developed under clear skies in the first days of January. The cold, dense air filtered into the Copper River Basin, leading to two main periods of extremely cold wind chills below -55F in the central Copper Valley.

Source: NOAA Storm Events Database, event 1312085. Narratives are written by the National Weather Service forecast office that issued the report.

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