Western PA Weather Update & Air Quality Alert: December 2025

Why this matters: Understanding the weather forecast helps residents prepare for potential travel disruptions and adjust outdoor activities. The air quality alert is critical for sensitive individuals to take precautions and minimize exposure to pollutants.

Weather Forecast Details:

The weekend will maintain a winter feel with cloudy skies and highs in the mid to upper 30s. Sunday offers a location-dependent chance of flurries, primarily north of Route 422 during the afternoon. Monday and Tuesday will bring some sunshine, but temperatures will remain below average. By Wednesday, a system approaching from the north could bring light rain showers as temperatures climb near 40 degrees.

Air Quality Alert Breakdown:

A Code Orange Air Quality Alert signifies that air pollution levels may be harmful to sensitive groups. Residents in the affected counties should monitor conditions and take necessary precautions. Avoiding strenuous outdoor activities can help minimize the negative effects of air pollution.

Impact and Preparation:

The combination of cold weather and air quality concerns means residents should dress warmly and consider limiting outdoor exposure, especially if they fall into a sensitive group. Keep informed about local weather updates and air quality reports.

It means that air pollution concentrations may be unhealthy for sensitive groups, including children, the elderly, and those with respiratory or heart conditions.

Lancaster, York, Dauphin, Cumberland, and Lebanon counties in the Susquehanna Valley are under the Code Orange Air Quality Alert.

Avoid strenuous outdoor activities or exercise, especially if you are in a sensitive group.

Do you think the weather patterns will continue through the rest of December? Let us know!

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