Old man winter is still clawing at the North Country with a hoary grasp.

The National Weather Service has issued a Winter Storm Warning and Winter Weather Advisories for portions of southeastern St. Lawrence County, including the South Colton and Star Lake regions, as well as other areas of the North Country and into Vermont.

The advisory is in effect from 11 p.m. tonight until 8 p.m. Tuesday.

Rain will mix with and change to heavy wet snow, then transition back to rain at lower elevations and across much of Vermont by the afternoon. Precipitation winds down Tuesday night.

The heaviest snow is expected in the Adirondacks and the Green Mountain summits, where 6 to 10 inches are possible. Isolated to scattered power outages possible.

Moderate to heavy snow is expected in the southern parts of St. Lawrence County. Total snow accumulations of 3 to 7 inches are expected.

Travel could be very difficult the Weather Service said. The hazardous conditions could impact the morning or evening commute.

Snowfall rates of 1 to 2 inches per hour are expected during the overnight hours.

Traveller are advised to slow down and use caution while traveling.

Allow extra time if travel is necessary.

The detailed forecast for St. Lawrence County for the coming week is:

Tonight: Rain before 3am, then rain and snow. The snow could be heavy at times. Low around 33. East wind 7 to 9 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.

Tuesday: Snow before noon, then rain and snow between noon and 1pm, then rain after 1pm. High near 39. Northeast wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night: Rain and snow showers likely before 11pm, then a chance of rain showers between 11pm and 1am, then a chance of rain and snow showers after 1am. Cloudy, with a low around 32. Southwest wind 11 to 15 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday: Mostly sunny, with a high near 47. West wind around 11 mph.

Wednesday Night: Increasing clouds, with a low around 33. Southeast wind 6 to 9 mph.

Thursday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 54. Southwest wind 14 to 16 mph. Chance of precipitation is 60%.

Thursday Night: Showers likely before 8pm. Mostly cloudy, with a low around 38. Southwest wind around 11 mph. Chance of precipitation is 60%.

Friday: Mostly sunny, with a high near 56. Northwest wind around 10 mph.

Friday Night: Partly cloudy, with a low around 33. Light and variable wind.

Saturday: Mostly sunny, with a high near 56. Northeast wind around 7 mph.

Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 40. East wind around 7 mph.

Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 61. East wind around 8 mph.

Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 45. Southwest wind 9 to 11 mph.

Monday: A 40 percent chance of showers. Partly sunny, with a high near 63. South wind 9 to 16 mph, with gusts as high as 29 mph.