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TheForecast Post

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

Weather Trader Notebook MILEPOST 459

December 13, 2024 Friday Evening

More certain about Canadian Arctic blast next weekend

What the month did

December 2024 was the 4th-warmest December in the 131-year national record (1895–2025), at 38.1°F against a 1991–2020 normal of 34.3°F (+3.8°F).

December 2024 was the 64th-driest December in the 131-year national record (1895–2025), at 2.4in against a 1991–2020 normal of 2.5in (-0.1in).

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.

Weather on Saturday

Nearly 1050 mb High Pressure builds over the Northeast giving barometers quite a workout. Moisture behind the high out of the Gulf of Mexico rises over the cold Arctic pool and precipitation as freezing rain looks quite likely across Iowa into Saturday morning.

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Milepost
459 · laid 2024-12-14T01:18:00.604000Z
Source
https://weather.substack.com/p/december-13-2024-friday-evening
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