A winter storm warning is now in effect for all of Maine except York County from noon Saturday until 4 p.m. Sunday, Jan. 3, according to an early morning update from the National Weather Service office in Gray.

According to the NWS the storm, which gathered strength as it moved up the East Coast, is being boxed in by two high pressure systems to the northwest and northeast of Maine in Canada, which will result in blizzard conditions lingering in the state into Sunday. The storm comes on the heels of another, smaller one that dropped several inches of snow on much of the state on New Year’s Day.

Heavy snow and gusty winds are expected later Saturday into Sunday. Snow will become steadier and heavier Saturday afternoon and winds may gust to 35 mph near the coast, setting the area up for blowing and drifting snow later Saturday afternoon and evening.

As the low gets closer Saturday night, the NWS is saying snow will become heavy at times and winds will increase as well, with gusts to 40 mph, especially along the coast and across Central Maine. This will result in near-blizzard conditions Saturday evening and overnight into Sunday. Snow could mix with rain along the immediate coast, especially from Port Clyde to Rockland.

The forecast calls for 8 to 16 inches of snow across the region, with highest amounts across the Midcoast.

The NWS cautions that there is a threat of significant blowing and drifting snow, leading to whiteout conditions and hazardous traveling. Travelers are urged to only go out in emergencies. If travel is necessary, the NWS is urging drivers to bring a flashlight, a blanket, food and water.

Following is the forecast through Monday. For the most current weather conditions, visit erh.noaa.gov/er/gyx.

Saturday: Snow. The snow could be heavy at times. High near 30 degrees Fahrenheit. Blustery, with a north wind between 20 and 23 mph. Chance of precipitation is 100 percent. Total daytime snow accumulation of 3 to 7 inches possible.

Saturday night: Snow and areas of blowing snow. Low around 28 F. Windy, with a north wind between 25 and 29 mph, with gusts as high as 44 mph. Chance of precipitation is 100 percent. New snow accumulation of 5 to 9 inches possible.

Sunday: Snow and areas of blowing snow before 1 p.m., then snow likely and areas of blowing snow after 1 p.m. High near 35 F. Windy, with a north wind between 23 and 29 mph, with gusts as high as 44 mph. Chance of precipitation is 90 percent. New snow accumulation of 2 to 4 inches possible.

Sunday night: Areas of blowing snow and a chance of snow showers. Cloudy, with a low around 27 F. Blustery, with a north wind between 17 and 22 mph. Chance of precipitation is 40 percent.

Monday: Mostly cloudy, with a high near 33 F. Northwest wind around 17 mph.

Monday night: A chance of snow showers. Mostly cloudy, with a low around 24 F. Chance of precipitation is 30 percent.