{ "number": 827, "headline": "December 26, 2025 Friday Evening Winter Weather", "standfirst": "Powerful Great Lakes Blizzard next major storm system with much colder air next week", "desk": "winter", "dateline": { "place": "Weather Trader", "state": null, "lat": null, "lon": null, "site_key": null, "site_name": null, "site_url": null, "accent": null }, "edition": "2025-12-27", "published": "2025-12-27T01:45:40.310000Z", "updated": null, "access": "free", "body_html": "
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This is post number 827: Good Evening \u2014 6-Days until New Year 2026.

Author: Dr. Ryan Maue (X @RyanMaue X @weathertrader)

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Simulated Radar Next 18-hours into Saturday Noon ET

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Northeast storm system quickly moves off the coast taking its snow and sleet with it \u2014 but could still see some flurries or light snow showers in the morning

West Coast finally calms down with high pressure shutting off the Pacific moisture flow No complaints about the heavy snowfall in the Rockies even with \u201cabove normal\u201d temperatures \u2014 it\u2019s still snowing heavily at ski resorts that desperately need it.

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Weather Trader is an entirely subscriber-supported publication [sweat equity] from Dr. Ryan Maue. To receive all new posts, consider becoming a free [1-2 updates per week] or paid subscriber [golden ticket] and please LIKE and SHARE posts.

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HRRR Simulated Radar Next 48-hours to Sunday 1 PM ET

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We see the formation of the storm system in the Great Lakes \u2014 impressive banding underway into Sunday afternoon.

RRFS-A at Monday 2 AM ET

ECMWF 18z Precipitable Water Next 6-days

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White/gray = Arctic air from Canada wraps around the \u201cbomb cyclone\u201d into middle of next week. The polar cold front sweeps through Florida.

A weird Subtropical System comes out of the Eastern Pacific northward into Southern California by Wednesday.

ECMWF 18Z MSLP Next 6-days

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Long track of \u201cbomb cyclone\u201d to 955 mb in Quebec retrograde into Hudson Bay \u2014 maintains the cyclonic / cold circulation out of Canada into the Great Lakes.

Temperature Anomaly Next 6-days

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ECMWF 18z Precipitation Type and Intensity | Next 6-days

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Powerful Great Lakes Bomb Cyclone

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Wind Gusts | Sunday \u2014> Monday

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Sunday 10 AM \u2014> 1001 mb

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Monday 10 AM \u2014> 971 mb = 30 mb pressure drop in 24-hours = bomb!

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NWS Precipitation Next 72-hours

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NWS Snowfall Next 72-hours

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Northeast snowfall is the ongoing event.

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RTMA | Current Temperature Analysis | 7:00 PM ET

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Average Lower 48 temperature was 48.4\u00b0F with 60 million below freezing.

Temperature Anomaly | 7:00 PM ET

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Lower 48 Temperature Anomaly whopping 12.5\u00b0F ABOVE normal

Saturday Morning Low Temperatures

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86 million below freezing and a small area of subzero in Maine

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Saturday High Temperatures

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109 million at least 70\u00b0F \u2014> nationwide average of 53\u00b0F.

Sunday High Temperatures

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99 million at least 70\u00b0F \u2014> nationwide average of 46.6\u00b0F.

Monday High Temperatures

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Only 34 million at least 70\u00b0F \u2014> nationwide average of 39.1\u00b0F

ECMWF 12z EPS | Temperature Anomaly | Next 15-days

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Alaska + Canadian Cold Pool drains ESE into the Midwest and Great Lakes next week and it seems the Lower 48 ridge will weaken \u2014 allowing a southward push of the \u201cpolar front\u201d \u2014 Canada finally warms up into 2nd week of January

Blend of Models | 7 Days Precipitation Total

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Blend of Models | Total Snowfall Next 7-Days

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ECMWF AIFS-Single 18z | Height Anomaly (500 hPa) Next 10-days

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Major trough across Northeast for multiple days Wed-Friday of next week \u2014> much colder air with cyclone wrapping up \u2014> textbook baroclinic lifecycle

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ECMWF 18z | Snowfall | Next 6-days | Lower 48 and Europe

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Europe Precipitation Type Next 6-days

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ECMWF EPS 12z | Ensemble Median Snowfall Next 15-days

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Probability of 6-inches or more Snowfall in the next 15-days

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Probability of 12-inches or more Snowfall in the next 15-days

Temperature Anomaly | Next 15-days | ECMWF EPS 12z

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5-Day Chunk #1 | Temperature Anomaly | Dec 26 - Dec 30

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5-Day Chunk #2 | Temperature Anomaly | Dec 31 - Jan 4

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5-Day Chunk #3 | Temperature Anomaly | Jan 5 - Jan 9

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Maps sourced from weathermodels.com designed and innovated by yours truly! Please subscribe there for real-time access to the newest maps, charts from all of the weather models including ECMWF and AIFS, NOAA AI-GFS/AI-GEFS

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", "body_key": null, "teaser_html": "

Northeast storm system quickly moves off the coast taking its snow and sleet with it \u2014 but could still see some flurries or light snow showers in the morning

West Coast finally calms down with high pressure shutting off the Pacific moisture flow No complaints about the heavy snowfall in the Rockies even with \u201cabove normal\u201d temperatures \u2014 it\u2019s still snowing heavily at ski resorts that desperately need it.

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