UPDATE, 5 p.m.: With winter weather advisories set to go into effect later this evening for Genesee, Wyoming and Erie counties, the National Weather Service has refined locations and amounts.

The Weather Service increased the forecast snow accumulation for Wyoming County’s advisory and added southern Erie County to the advisory, which will be in effect from 10 a.m. tonight through 10 a.m. Sunday.

The latest update predicts a total snowfall accumulation of 4 to 6 inches in the most persistent lake snows with winds blowing up to 35 mph. Blowing snow and blowing snow are expected.

Expect snowy and slippery road conditions. Blowing snow areas could significantly reduce visibility.

The winter weather advisory for western Genesee County now includes northern Erie counties. The advisory will begin at 7 a.m. tonight and will be in effect until 4 a.m. Sunday.

Lake effect snow and blowing snow are expected with total accumulations of 2 to 4 inches in the most persistent lake snows. Wind gusts of up to 40 mph will produce considerable drifting and blowing snow, the weather service said.

Winter weather advisories begin tonight in western Genesee and Wyoming counties.

The National Weather Service issued a winter weather advisory from 7 a.m. tonight to 4 a.m. Sunday for western Genesee and Erie counties.

Lake effect snow and blowing snow are expected, with total snowfall accumulations of 2 to 4 inches in the most persistent lake snows. Winds of up to 40 mph will produce considerable drifting and drifting snow, the weather service said.

A separate winter weather advisory will be in effect from 10 a.m. tonight through 10 a.m. Sunday for Wyoming County.

Lake effect snow and blowing snow are expected, with total snowfall accumulations of 2 to 4 inches in the most persistent lake snows. Wind gusts as high as 35 mph will produce blowing snow and snow drift, the weather service said.

The greatest snowfall accumulations are expected on higher ground in the western part of the county, according to the weather service.

Expect snowy and slippery road conditions. Blowing snow areas will significantly reduce visibility.

Lake effect snow will fall in relatively narrow bands. If you are traveling, be prepared for rapidly changing road conditions and visibility.

There are no advisories for Orleans or Livingston counties.

The forecast for Orleans County includes a chance of flurries before 2 a.m., then a slight chance of flurries after 5 a.m. Further snow accumulation of less than half an inch is possible tonight. There is a greater chance of accumulation on Sunday, with 1 to 2 inches possible on Sunday, according to the weather service forecast.

In Livingston County, a chance of flurries are forecast tonight, mostly after 3 a.m., with less than a half inch of accumulation possible. Flurries are likely Sunday between noon and 4 p.m., with further snow accumulation less than half an inch possible, according to the weather service forecast.

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