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TheForecast Post

A chronicle of American weather and climate  ·  Wednesday, 16 September 2026

Weather Trader Notebook MILEPOST 496

January 15, 2025 Wednesday Morning Update

Arctic blast still on schedule with 80 million below 0°F

What the month did

January 2025 was the 33rd-coolest January in the 132-year national record (1895–2026), at 29.2°F against a 1991–2020 normal of 32.3°F (-3.2°F).

January 2025 was the 5th-driest January in the 132-year national record (1895–2026), at 1.4in against a 1991–2020 normal of 2.3in (-1.0in).

NOAA/NCEI Climate at a Glance, contiguous United States. This is the observed record for the month, not a score of anything said in this piece — the forecast ledger begins 2026-08-17 and cannot reach earlier posts.

Headlines for Monday Morning

Severe Arctic blast to affect almost the entire Lower 48 starting this weekend. The peak of the cold will rival the nationwide temperature average from the “Polar Vortex” episode of January 2014.

For subscribers

The rest of this piece is for paid subscribers of Weather Trader. The Post keeps the archive, the index and the record; the writing itself stays behind the same subscription it was published under.

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Milepost
496 · laid 2025-01-15T16:18:00.660000Z
Source
https://weather.substack.com/p/january-15-2025-wednesday-morning
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