Snow transitioned to sleet for most of the D.C. area by Sunday afternoon. Several more hours of mixed precipitation is expected throughout the evening – including freezing rain for areas to the south and east.

Action News reporter Katherine Scott caught up with a cross-country skier, who was exercising along Main Street in the Manayunk section of Philadelphia during Sunday's winter storm. Snow is falling across the Philadelphia region, and it is rapidly piling up. The storm could leave us with the heaviest snowfall the area has seen in years.

WGAL Meteorologist Mary Ellen Pann explained how warmer air caused a shift in precipitation during Sunday's snowstorm, changing snow to sleet and freezing rain.

Chief Meteorologist Tom Tasselmyer said most of the Baltimore region is seeing sleet fall, which could eventually change to freezing rain until around 9 p.m.

An updated storm forecast for the region is calling for 12 to 18 inches of snow — and possibly sleet — to fall in Schuylkill, Luzerne and Lackawanna counties on Sunday into Monday. The snow should

The NEXT Weather team breaks down four types of precipitation and what conditions create each one.

Sleet is a form of winter precipitation made up of small, frozen ice pellets that form when snowflakes partially melt and then refreeze before hitting the ground, making roads slippery.

A winter storm warning remains in effect until 1 p.m. Monday. Heavy mixed precipitation is forecast with additional snow and sleet accumulations between 1 and 6 inches and ice accumulations around a

Meteorologist Ava Marie says the forecast is holding as we expect 6-10 inches of snow across much of Maryland and at least an inch of sleet on top of that.

North Texas entered the work week in freezing temperatures as cold air blanketed the region for a third day and Dallas-Fort Worth hit a record for snowfall. Monday’s temperatures are expected to reach 28 degrees with wind chill values between minus one and nine degrees,