January 20, 2025 Monday Winter Weather
Arctic blast to combine with Gulf of Mexico moisture for historic snowfall
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.
The Lower 48 is in the grips of a major Arctic blast — lobe of the tropospheric circumpolar vortex — with coldest air east of the Rockies.
Lower 48 average temperature at 6:30 PM ET was only 18.2°F with 213 million below freezing and 15 million subzero.
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