Heavy lake effect snow will continue to fall across southern and western portions of St. Lawrence County through tonight, according to the National Weather Service (NWS).

Northern St. Lawrence County dodged most of the storm, but the southern portion of the county, including the Gouverneur area, experienced heavy snowfall, with more snow expected through tonight.

NCTW was informed that Harrisville was hit with 21 inches of snow on Thursday with reports of flickering power and unplowed roads.

At least five St. Lawrence County schools were closed due to the storm.

Snowfall accumulation today in the southern part of the county will be 3-7 inches, with just a during in areas north of Canton, NWS says.

The extended forecast through next Friday is as follows:

Sunday

A 30 percent chance of snow showers, mainly before 9am. Partly sunny, with a high near 30. West wind 10 to 17 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

Sunday Night

Partly cloudy, with a low around 13. West wind 7 to 13 mph.

Monday

A 40 percent chance of snow showers after 8am. Mostly cloudy, with a high near 38. South wind 9 to 17 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.

Monday Night

A 40 percent chance of snow showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. West wind 8 to 16 mph.

Tuesday

Partly sunny, with a high near 36. Southwest wind around 6 mph.

Tuesday Night

Mostly cloudy, with a low around 26. South wind 6 to 8 mph.

Wednesday

Mostly cloudy, with a high near 39. Southwest wind around 9 mph.

Wednesday Night

Mostly cloudy, with a low around 22. Southwest wind 3 to 6 mph.

Thanksgiving Day

Mostly cloudy, with a high near 38. Calm wind.

Thursday Night

A 30 percent chance of snow showers. Mostly cloudy, with a low around 27. Southeast wind around 5 mph.

Friday

A chance of rain and snow showers. Mostly cloudy, with a high near 42. Southeast wind 5 to 7 mph. Chance of precipitation is 50%.