A Code Red winter storm warning is in effect from 4 a.m. Sunday to 1 a.m. Tuesday.

Heavy mixed precipitation is expected, with total snow accumulations of 5 to 11 inches and ice accumulations of up to one tenth of an inch.

This will be a long duration storm with two main periods of winter weather. Conditions on Sunday are expected to consist of a mix of snow, sleet, and ice, with snow accumulations mainly 2 inches or less along with freezing rain. A lull in precipitation is possible Sunday evening. Most of the snow that is forecast is then expected to occur later Sunday night and Monday.

The latest forecast:

Tonight: Mostly cloudy, with a low around 25. North wind around 6 mph becoming light and variable.

Sunday: Sleet before 1 p.m., then rain and sleet. High near 35. East wind 7 to 14 mph. Chance of precipitation is 100%. Little or no sleet accumulation expected.

Sunday Night: Rain and sleet before 1 a.m., then sleet between 1 a.m. and 4 a.m., then snow and sleet after 4 a.m. Low around 32. East wind 6 to 11 mph. Chance of precipitation is 80%. New snow and sleet accumulation of 1 to 3 inches possible.

Monday: Snow. High near 35. North wind 6 to 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Monday Night: A chance of snow before 10 p.m., then a chance of snow showers between 10 p.m. and 1 a.m. Cloudy, with a low around 24. Northwest wind 10 to 13 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

Tuesday: Mostly sunny, with a high near 38.

Tuesday Night: Mostly cloudy, with a low around 25.

Wednesday: Mostly cloudy, with a high near 40.

Wednesday: Mostly cloudy, with a high near 40.