A winter storm warning is in effect from 9 a.m.Thursday until at least midnight for the entire region.
Forecasters predict two to five inches of snow and up to one tenth-of-an-inch of ice.
Precipitation is expected to start late Thursday morning and become heavy at times the rest of the day, then taper off in the evening.
People should stay home unless absolutely necessary and motorists are urged to take extra time for travel.
Winds of 10 to 20 miles per hour with gusts of up to 25 could contribute to drifts.
The storm should move on by early Friday morning.