The National Weather Service has issued a winter weather advisory from 9 tonight to 7 a.m. Saturday.

Mixed precipitation is expected, with total snow accumulations of 2 to 4 inches and ice accumulations of a light glaze.

Plan on slippery road conditions with reduced visibilities at times Friday night into Saturday morning.

A winter storm is expected Sunday nights. Significant accumulation is possible.

Here is the latest forecast:

Tonight: Snow, mainly after 11 p.m. Low around 29. Northeast wind around 6 mph. Chance of precipitation is 100 percent. Total nighttime snow accumulation of 1 to 3 inches possible.

Saturday: A chance of snow showers before 11 a.m., then a slight chance of rain and snow showers between 11 a.m. and noon, then a slight chance of rain showers after noon. Cloudy, with a high near 40. Northeast wind around 6 mph becoming west in the afternoon. Chance of precipitation is 40 percent. New snow accumulation of less than a half inch possible.

Saturday Night: Mostly cloudy, with a low around 28. Northwest wind around 6 mph.

Sunday: Rain and snow likely after 1 p.m., becoming all snow after 4 p.m. Mostly cloudy, with a high near 38. Northwest wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 70 percent. New snow accumulation of less than one inch possible.

Sunday night: Snow. Low around 27. Light and variable wind becoming north 5 to 7 mph in the evening. Chance of precipitation is 100 percent. New snow accumulation of 4 to 8 inches possible.

Monday: Partly sunny, with a high near 34.

Monday Night: Mostly clear, with a low around 11.

Tuesday: Mostly sunny, with a high near 26.

Tuesday Night: Partly cloudy, with a low around 9.

Wednesday: Mostly sunny, with a high near 24.

Wednesday Night: Partly cloudy, with a low around 8.

Thursday: Mostly sunny, with a high near 30.

Thursday Night: A chance of snow showers. Partly cloudy, with a low around 14. Chance of precipitation is 30 percent.

Friday: A chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 40 percent.