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Post‑Christmas Storm Brings Freezing Rain, Snow and Travel Hazards Across Great Lakes Region

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Storm System Moves Eastward, Bringing Mixed Precipitation A powerful low‑pressure system began affecting the Great Lakes, north‑central Appalachians and the Mid‑Atlantic on Friday evening, delivering a wintry mix of freezing rain, sleet and snow that is forecast to persist through Saturday morning before moving eastward across the region [1]. The heaviest band of precipitation is expected to track from central New York into northeast Pennsylvania and the Tri‑State area, with the system’s core shifting eastward by early Saturday afternoon [1].

Freezing Rain Expected to Produce Up to Half‑Inch Ice Forecasters warn that a narrow freezing‑rain corridor could generate ice accretion of 0.25‑0.5 inches in southeast Michigan, west‑central Pennsylvania, southern Ontario, far northern Ohio and much of Maryland, Delaware and the Virginias [1]. Such accumulation is sufficient to snap tree limbs, bring down power lines and create hazardous driving conditions on major highways and local roads [1].

Snowfall Concentrated in New York Metro and Upstate AccuWeather meteorologist Brandon Buckingham predicts New York City will receive 3‑6 inches of snow, depending on whether the precipitation remains solid or mixes with sleet [1]. Upstate New York and the Hudson Valley are slated for the heaviest snowfall totals, with precipitation beginning around sunset Friday and continuing into Saturday morning [1].

Travel Advisories Issued Across Multiple States The National Weather Service has issued winter storm warnings and winter weather advisories covering portions of Minnesota, Wisconsin, Michigan, Ohio, Pennsylvania, New York and Maryland [1]. These alerts highlight the risk of slippery roads, reduced visibility and possible road closures, prompting state transportation agencies to advise motorists to delay travel and use caution [1].

Improvement Anticipated by Saturday Afternoon Conditions are expected to improve from the Great Lakes to the East Coast between Friday night and early Saturday afternoon as the system moves eastward and the cold air mass retreats [1]. Residents in the most affected areas are urged to monitor updates, as residual ice and snow may linger on surfaces into the evening [1].

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Timeline

Nov 30, 2025 – Chicago O’Hare records more than 8 inches of snow, breaking the single‑day November record set in 1951 and triggering massive flight disruptions with about 300 cancellations and 1,600 delays that linger into Monday [6].

Dec 1, 2025 – The National Weather Service issues winter storm warnings and winter weather advisories for Massachusetts, New Hampshire, Vermont, Maine, Connecticut, and New York as a windy, icy system approaches the Northeast [6].

Dec 2, 2025 – Pennsylvania Turnpike crews begin treating 565 miles of lanes with over 600 operators, and vehicle restrictions are set for Tuesday morning to clear 2,900 miles of roadway ahead of the storm [5][6].

Dec 2, 2025 – Forecasts call for up to a foot (30 cm) of snow in the Mid‑Atlantic and Northeast by Tuesday, marking the season’s first major blizzard for many communities [5].

Dec 2, 2025 – The National Weather Service advises coastal Maine residents to postpone travel from Tuesday morning through Wednesday morning due to expected heavy snow and icy conditions [5].

Dec 4, 2025 – A fast‑moving winter storm spreads snow from the Tennessee Valley across the Appalachians to the Mid‑Atlantic, and AccuWeather senior meteorologist Bill Deger notes the one‑to‑two‑inch coating on Friday “is likely the last snow for the region for the foreseeable future” [3].

Dec 4, 2025 – The storm produces pockets of ice and snow along its northern edge, affecting parts of Oklahoma, Missouri, Arkansas, New Jersey, southeastern New York, and southern New England, and triggers precautionary de‑icing delays at major airports in Washington, Baltimore, Philadelphia, and New York [3].

Dec 12, 2025 – The Weather Prediction Center’s map shows 4 inches or more of snow possible from Montana through the Ohio Valley to the Northeast, with New York City facing a 23 % chance of 4 inches; NWS meteorologist Bryan Ramsey says the city’s average first snowfall occurs around Dec 8 [2].

Dec 12, 2025 – Arctic air pushes south, bringing blustery conditions and low wind chills behind the snow, while lake‑effect bands promise up to 14 inches of snow in Ohio, Pennsylvania, and New York near the Great Lakes [2].

Dec 14, 2025 – The storm delivers the first significant snowfall of the season to the New York‑New Jersey metro area, dropping several inches and prompting road safety measures such as New Jersey’s travel advisory and Pennsylvania’s reduced interstate speed limits [4].

Dec 15, 2025 – A surge of arctic air drives Midwest temperatures below zero, with Minneapolis‑Saint Paul reporting –10 °F (–23 °C) and some locations reaching –22 °F (–30 °C), while more than 1,000 flights are delayed and over 100 canceled nationwide [4].

Dec 15, 2025 – Meteorologists forecast the storm to weaken by Sunday night, after which wind‑chill values are expected to fall at or below 0 °F (‑18 °C) across affected areas, and the Pacific Northwest braces for additional rain as it recovers from recent catastrophic flooding [4].

Dec 26, 2025 – A post‑Christmas winter storm brings a wintry mix of freezing rain and sleet across the Great Lakes and Northeast; AccuWeather meteorologist Brandon Buckingham says New York City could receive 3‑6 inches of snow and warns that ice accretion of 0.25‑0.5 inch may occur in southeast Michigan and west‑central Pennsylvania [1].

Dec 27, 2025 – Conditions improve from the Great Lakes to the East Coast between Friday night and early Saturday afternoon as the system moves east, while National Weather Service winter storm warnings and advisories remain in effect across Minnesota, Wisconsin, Michigan, Ohio, Pennsylvania, New York, and Maryland [1].

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