It's Thanksgiving weekend and our Spectrum News 1 weather team has broken down, by county, what to watch for as lake-effect snow hits several parts of upstate New York.

Allegany

Main impact: Friday through Monday

Snowfall: 6-10 inches

Winds: Gusts up to 20 mph

Erie

Lake-Effect Snow Warning (until 7 p.m. Sunday)

Main impact: Saturday through Sunday

Snowfall: Trace to 2" in the far northern parts of the county, 4-8" around the city of Buffalo, up to a foot or more just south of the city and 1-3 feet for the southern half of the county

Winds: Gusts up to 25 mph

Cattaraugus

Main impact: Friday through Monday

Snowfall: 1 to 4 feet

Winds: Gusts up to 20 mph

Chautauqua

Main impact: Friday through Monday

Snowfall: Up to 4 feet

Winds: Gusts up to 20 mph

Genesee

Lake-Effect Snow Warning (until 7 p.m. Sunday)

Main impact: Saturday through Sunday

Snowfall: 6 to 12 inches

Winds: Gusts up to 25 mph

Niagara

Main impact: Saturday through Sunday

Snowfall: A coating to an inch

Winds: Gusts up to 25 mph

Orleans

Main impact: Saturday through Sunday

Snowfall: A coating to an inch or two, especially along the Lake Ontario shoreline

Winds: Gusts up to 20 mph

Wyoming

Lake-Effect Snow Warning (until 7 p.m. Sunday)

Main impact: Friday through Monday

Snowfall: 1 to 2 feet 

Winds: Gusts up to 20 mph

Oswego

Lake-Effect Snow Warning (until 7 p.m. Monday)

Main impact: Friday through Monday

Snowfall: 1 to 2 feet 

Winds: Gusts up to 30 mph

Jefferson

Lake-Effect Snow Warning (until 7 p.m. Monday)

Main impact: Friday through Monday

Snowfall: Up to 6 feet 

Winds: Gusts up to 30 mph

Lewis

Lake-Effect Snow Warning (until 7 p.m. Monday)

Main impact: Friday through Monday

Snowfall: Up to 6 feet 

Winds: Gusts up to 30 mph

St. Lawrence

Lake-Effect Snow Warning (until 7 p.m. Monday)

Main impact: Friday through Monday

Snowfall: 1 to 3 feet 

Winds: Gusts up to 20 mph

Herkimer

Winter Storm Warning (until 7 a.m. Monday)

Main impact: Friday through Monday

Snowfall: 1 to 2 feet 

Winds: Gusts up to 20 mph

Hamilton

Winter Weather Advisory (until 7 a.m. Monday)

Main impact: Friday through Monday

Snowfall: Up to 1 foot

Winds: Gusts up to 20 mph

Franklin

Winter Weather Advisory (1 a.m. Monday)

Main impact: Friday through Monday

Snowfall: Up to 1 foot 

Winds: Gusts up to 20 mph

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