* WHAT. Heavy snow possible. Total snow accumulations up to around 5 or 6 inches possible. * WHERE. Portions of western Maryland, northern, northwest, and western Virginia, and eastern West Virginia. * WHEN. From late Saturday night through Sunday afternoon. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact travel.

* WHAT. Heavy snow possible. Total snow accumulations up to around 5 inches possible. * WHERE. Portions of central, north-central, and northern Maryland, and northern Virginia. * WHEN. From Sunday morning through Sunday evening. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact travel.

* WHAT. Heavy snow possible. Total snow accumulations between 4 and 6 inches possible. * WHERE. Lower Susquehanna Valley and Western Poconos in Pennsylvania. * WHEN. From Sunday morning through Sunday evening. * IMPACTS. Roads, and especially bridges and overpasses, will likely become slick and hazardous, as temperatures fall through the 20s late in the day. Plan on slippery road conditions. * ADDITIONAL DETAILS. A small variation in storm track could result in significant changes in expected snowfall amounts.

* WHAT. Heavy snow possible. Total snow accumulations up to around 5 or 6 inches possible. * WHERE. Portions of western Maryland, northern, northwest, and western Virginia, and eastern and panhandle West Virginia. * WHEN. From late Saturday night through Sunday afternoon. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact travel.

* WHAT. Heavy snow possible. Total snow accumulations up to around 5 inches possible. * WHERE. Portions of central, north central, and northern Maryland and northern Virginia. * WHEN. From Sunday morning through Sunday evening. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact travel.

* WHAT. Heavy snow possible. Total snow accumulations between 4 and 6 inches possible. * WHERE. A portion of central Pennsylvania. * WHEN. From Sunday morning through Sunday evening. * IMPACTS. Roads, and especially bridges and overpasses, will likely become slick and hazardous, as temperatures fall through the 20s late in the day. Plan on slippery road conditions. * ADDITIONAL DETAILS. A small variation in storm track could result in significant changes in expected snowfall amounts.

* WHAT. Heavy snow possible. Total snow accumulations between 4 and 6 inches possible. * WHERE. Portions of east central and southeastern Pennsylvania. * WHEN. From Sunday morning through Sunday evening. * IMPACTS. Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult.

* WHAT. North winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE. Chesapeake Bay from Pooles Island MD to Smith Point VA, Eastern Bay, Choptank River to Cambridge MD and the Little Choptank River, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN. From 1 PM to 6 PM EST Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. North winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE. Tidal Potomac River from Key Bridge to Smith Point VA, Chesapeake Bay north of Pooles Island MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, and Patuxent River to Broomes Island MD. * WHEN. From 1 PM to 6 PM EST Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Heavy snow possible. Total snow accumulations up to around 4 to 6 inches possible. * WHERE. Portions of western Maryland, northwest Virginia, and panhandle West Virginia. * WHEN. From late Saturday night through Sunday afternoon. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact travel.

* WHAT. Heavy snow expected. Total snow and sleet accumulations between 4 to 6 inches. * WHERE. Portions of north central and northern Maryland and northern Virginia. * WHEN. From 7 AM to 7 PM EST Sunday. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact travel.

* WHAT. Heavy snow possible. Total snow accumulations up to around 5 inches possible. * WHERE. Portions of western Maryland, northern, northwest, and western Virginia, and eastern West Virginia. * WHEN. From late tonight through Sunday afternoon. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact travel.

* WHAT. Heavy snow possible. Total snow accumulations up to around 4 to 6 inches possible. * WHERE. In Virginia, Shenandoah County. In West Virginia, Hampshire and Hardy Counties. * WHEN. From late Saturday night through Sunday afternoon. * IMPACTS. Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions.