Story perspectives

Arctic Air Blast Expected Across U.S. This December

12/5/2025

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Summary

Story summary

The polar vortex will settle near Hudson Bay, Canada, delivering Arctic air to United States in December 2025.
This pattern will bring sub-zero temperatures to the Dakotas and Minnesota.
From December 3–4, 2025, Arctic air will reach the Great Lakes and Northeast with snow along I-95.
The Climate Prediction Center projects a 33%–70% chance of below-normal temperatures in the Northeast and Mid-Atlantic from December 10–16, 2025, with further Arctic intrusions.

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Story summary

The polar vortex will settle near Hudson Bay, Canada, delivering Arctic air to United States in December 2025.
This pattern will bring sub-zero temperatures to the Dakotas and Minnesota.
From December 3–4, 2025, Arctic air will reach the Great Lakes and Northeast with snow along I-95.
The Climate Prediction Center projects a 33%–70% chance of below-normal temperatures in the Northeast and Mid-Atlantic from December 10–16, 2025, with further Arctic intrusions.