Lead: A powerful winter system will move into the Philadelphia metropolitan area Friday, bringing snow, sleet and freezing rain that will create hazardous travel from the afternoon into Saturday morning. Meteorologists place a NEXT Weather Alert from 3 p.m. Friday through 10 a.m. Saturday, with the most dangerous precipitation — freezing rain and ice — expected to arrive after 3 p.m. and taper off between 6 a.m. and 10 a.m. Saturday. Local warnings include a winter storm warning for the Poconos and parts of the Lehigh Valley; the rest of the region is under a winter weather advisory. Residents are being urged to finish essential travel by midafternoon Friday to avoid overnight impacts.
Key Takeaways
- NEXT Weather Alert in effect from 3 p.m. Friday, Dec. 26, through 10 a.m. Saturday, Dec. 27, covering the Philadelphia region.
- Primary hazard: freezing rain and ice after 3 p.m. Friday; pockets of up to 0.2 inch of ice are possible on roads and elevated surfaces.
- Snow- and sleet-accumulation guidance: 4–8 inches in parts of the Lehigh Valley and Poconos; 2–4 inches in parts of Northeast Philadelphia, Bucks, Burlington and Mercer counties; 1–2 inches across central suburbs and parts of South Jersey.
- Coating to 1 inch expected in southern and coastal counties such as Salem and Cumberland; Cape May and Kent counties may see mostly rain.
- Travel impacts: dangerous roads from snowpack or ice, likely airport delays/cancellations and possible scattered power outages.
- Warnings for western Pennsylvania begin earlier (10 a.m. Friday) as the system approaches from the west.
- A follow-up storm is forecast Sunday night with rain, then another cold blast next week for the final week of 2025.
Background
The December 26, 2025 system is part of a larger late-December storm track that has been producing mixed precipitation across the Mid-Atlantic. Temperature profiles ahead of the system favor a transition from snow to sleet and freezing rain in many locations, a common setup when a warm layer aloft overruns cold surface air. The region’s recent cold spell has left surfaces below freezing, increasing the risk that even modest freezing-rain amounts will create slick conditions on untreated roads, bridges and sidewalks.
Forecasters issued a winter storm warning for higher terrain in the Poconos and parts of the Lehigh Valley because those areas are expected to remain cold enough for heavier, all-snow totals. A winter weather advisory covers most of the Philadelphia area and adjacent counties in Pennsylvania, New Jersey, Delaware and parts of New York and West Virginia where mixed precipitation is likely. Local transportation agencies and airports typically elevate staffing and salt/sand operations when these advisories are issued, but timing—especially an afternoon onset—reduces the window for pre-treatment effectiveness on untreated secondary roads.
Main Event
The precipitation will begin across parts of the region Friday afternoon, with most locations seeing the transition to mixed precipitation after 3 p.m. The most dangerous period is Friday evening into the overnight hours, when freezing rain can accumulate on roads and power lines. Meteorologists expect the system to weaken and exit by Saturday morning, with most areas coming out of the advisory between 6 a.m. and 10 a.m., though the exact end time will depend on the track and thermal structure of the storm.
Where the colder column holds through the event — generally north and west of a Lehigh Valley to northern New Jersey line — accumulations of 4–8 inches of mostly snow remain possible, especially in the Poconos. The Philadelphia core, I-95 corridor and nearby suburbs are forecast to receive 1–2 inches of mixed snow and sleet with up to 0.2 inch of freezing rain in spots; coastal South Jersey and Delaware coastal counties lean toward a rain or wet-snow outcome. Airport operations are likely to see delays and some cancellations as ground crews contend with mixed precipitation and icing risk.
Local officials are advising residents to complete necessary travel before 3 p.m. Friday when possible and to prepare for slower commutes if travel is unavoidable. Utility companies have pre-positioned crews in lower-risk areas, but scattered outages remain possible if freezing rain accumulates on distribution lines and tree limbs.
Analysis & Implications
Mixed-precipitation events are disproportionately disruptive compared with pure snowstorms because freezing rain and sleet reduce the effectiveness of typical winter road treatments. Salt works best on wet snow; when a glaze of ice forms, mechanical clearing and de-icing chemicals have diminished immediate effect and response times lengthen. For emergency services and road crews, the late-afternoon start reduces the daylight window for pre-treatment, increasing the chance of evening commute impacts.
Economically, the combination of airport delays, cancelled trips and slower freight movement can ripple through holiday travel and logistics: airlines and ground transport face rescheduling costs, and businesses that rely on just-in-time deliveries may see short disruptions. Power outages, even if scattered, typically affect the most vulnerable populations first—seniors, those dependent on electric medical devices, and people without alternative heating options—so municipal shelters and warming centers may need to be readied depending on outage scope.
Regionally, the storm highlights the sensitivity of the Mid-Atlantic to boundary-layer thermal structure; small shifts in the storm track or the strength of the warm layer aloft could materially change where heavy snow falls versus where freezing rain dominates. That uncertainty also complicates messaging: officials must urge caution broadly without overstating impacts for neighborhoods that ultimately see only a coating or rain.
Comparison & Data
| Area | Expected Accumulation |
|---|---|
| Poconos & parts of Lehigh Valley | 4–8 inches (mostly snow) |
| Northeast Philly, Bucks, Burlington, Mercer | 2–4 inches (snow and sleet) |
| Philadelphia, I-95 corridor, Montgomery, Berks, Camden | 1–2 inches (snow/sleet + up to 0.2″ ice) |
| Salem, Cumberland, southern counties | Coating–1 inch (mix); some areas rain |
| Cape May, Kent counties | Mostly rain |
The table groups the guidance published by local forecasters; totals include both snow and sleet where noted. If the storm track shifts a few miles south, some areas currently forecast for sleet could see more freezing rain and lower snow totals. Conversely, a track slightly north would expand the area of heavier snow. Forecast uncertainty is highest along the transition zone between all-snow and mixed precipitation.
Reactions & Quotes
Local media and officials have already issued advisories to the public and travelers. Transportation planners emphasize that the late-afternoon onset complicates peak-hour travel.
“Stay off the roads Friday evening and overnight into Saturday if you can,”
CBS Philadelphia (local news)
This advisory reflects the combined risk of snow accumulation and ice that can make untreated streets impassable. Transit agencies typically modify schedules under such conditions to maintain safety.
“Freezing rain and sleet may create hazardous travel across parts of the region,”
National Weather Service (official forecast)
The National Weather Service product language underscores the primary hazard: a thin glaze of ice can produce outsized impacts on mobility and infrastructure compared with comparable liquid-equivalent precipitation.
“Complete essential travel by midafternoon Friday whenever possible,”
Local emergency management advisories (official)
Emergency managers are urging residents to check local bulletins for shelter availability and county-specific road advisories as conditions evolve.
Unconfirmed
- The exact storm track and thermal profile could still change, which would alter final snow, sleet and ice distributions.
- Precise timing of the end of freezing rain—currently forecast between 6 and 10 a.m. Saturday—remains dependent on how quickly the colder surface air modifies.
- The scope and location of any power outages are uncertain; utilities have stated they are prepared but outage locations and durations cannot be predicted precisely before the event.
Bottom Line
This December 26 system combines snow, sleet and freezing rain and will most likely make evening and overnight travel hazardous across greater Philadelphia. The primary danger is ice accumulation on roads and infrastructure after 3 p.m. Friday, with the highest snow totals north in the Lehigh Valley and Poconos and mixed precipitation along and south of I-95.
Residents should complete essential travel by midafternoon Friday when feasible, prepare for slower commutes and check airlines, transit providers and county road agencies for updates. Monitor forecasts and public-safety bulletins overnight; small shifts in the storm track could materially change impacts for specific communities.
Sources
- CBS News Philadelphia — local news report and forecast summary (original reporting/aggregation).
- National Weather Service — official forecast products and warnings (government/official).