Overview
- Forecasters track a polar-vortex-driven surge of Arctic air into the Northeast this weekend, setting the stage for wintry precipitation.
- AccuWeather highlights a credible chance for the first accumulating snow from Philadelphia to New York City to Boston, with NYC’s best window on Sunday.
- Meteorologists say snowfall outcome hinges on a fast-moving disturbance, possible Gulf moisture, and jet-stream interaction that could spawn a coastal low.
- Officials warn of slick roads Sunday night into Monday morning, rapid freeze-over in subfreezing air, stress on heating systems, and possible travel delays.
- Snow and cold are already affecting or expected in the Midwest, Great Lakes, Ohio Valley, Appalachians, and upstate New York via clippers and lake-effect bands.