NEW YORK (AP) — The work week got off to a slippery start Monday as a storm packing freezing rain, sleet and snow made travel difficult from the Ozarks to New England.

Poor driving conditions marked the early Monday commute and traveling was expected to be difficult through much of the day as the storm moves northeastward from the mid-Mississippi Valley. The National Weather Service issued a winter weather advisory for an area stretching from near St. Louis to southern New England.

Roads and sidewalks began to glaze over Sunday night in central Indiana along the Interstate 70 corridor, but the storm produced lighter amounts of ice than forecasters had predicted due to slightly warmer air and lighter precipitation. Sharply colder air is forecast for later Monday.

In update New York, a few more inches of snow are forecast to top off the 2 to 4-plus feet of snow that piled up from the most recent lake-effect storms. Snow fell Monday morning from Buffalo to Albany, causing minor delays for commuters in some areas.

Near Cleveland, Ohio, there were slowdowns on major highways with snow expected through the morning and early afternoon.

Cold weather and icy conditions forced schools in Ohio, Pennsylvania, New Jersey and New York to either open late or close for the day.

Federal agencies in the Washington area opened under a two hour delay as freezing rain threatened the region. Many schools in the Washington region opened late, but public schools in Loudoun County, Frederick County and Harford County were closed.

Philadelphia and New York dealt with freezing rain, sleet and light snow early Monday. Boston could see periods of freezing rain and sleet.

Snowfall across the area, including the southern Great Lakes, northern Pennsylvania, New York and New England is expected to be 3 inches or less.

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