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Polar Vortex Forecast: Cold Winter Ahead for North America

12/25/2025

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Summary

Story summary

By early 2026, forecasts show a shift from warmer conditions to colder temperatures across the United States and Canada, driven by a low-pressure area and Polar Vortex.
As January 2026 progresses, polar air is expected to spread across the United States and Canada, bringing cold anomalies to western Canada.
The trend signals a winter weather return across the United States and Canada, with updates to follow.

History

Historical Context

The Polar Vortex in 2014 caused extreme winter weather across North America, with cities like Chicago experiencing temperatures 30 degrees Fahrenheit below average. This event echoed the severe cold spells of 2010, when the Arctic oscillation reached its most negative value, leading to historic snowstorms. Understanding these patterns is vital for future preparedness against similar weather extremes.

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Story summary

By early 2026, forecasts show a shift from warmer conditions to colder temperatures across the United States and Canada, driven by a low-pressure area and Polar Vortex.
As January 2026 progresses, polar air is expected to spread across the United States and Canada, bringing cold anomalies to western Canada.
The trend signals a winter weather return across the United States and Canada, with updates to follow.

1 / 2