UPDATE, Dec. 5, 10 p.m.:  All of the four-county GLOW region is under a wind advisory through Monday.

The advisory is in effect from 10 tonight until 10 p.m. Monday for Genesee, Orleans and Wyoming counties. A separate advisory for Livingston County is in effect from 10 tonight to 7 p.m. Thursday.

The advisory that includes Genesee, Orleans and Wyoming counties, also includes Niagara, Monroe and northern Erie counties.

South winds of 20 to 30 mph with gusts up to 50 mph are expected south of the Thruway tonight. Then, southwest winds of 25 to 35 mph with gusts of 50 to 55 mph are expected Monday afternoon and evening.

The advisory for Livingston County also includes Ontario, Allegany and Cattaraugus counties.

South winds of 25 to 35 mph with gusts up to 55 mph are expected tonight. Southwest winds of 20 to 30 mph with gusts of 45 to 50 mph are expected Monday afternoon and early evening.

Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few isolated power outages may result.

Use extra caution when driving, especially if operating a high profile vehicle.

UPDATE, Dec. 5: The National Weather Service has issued a wind advisory that begins late tonight for Livingston County.

South to southwest winds of 20 to 30 mph with gusts up to 50 mph expected.

The advisory, which is in effect from 10 tonight through 7 p.m. Monday, also includes Ontario, Cattaraugus and Allegany counties.

A separate wind advisory includes Steuben County where south winds of 20 to 30 mph with gusts of to 50 mph are expected. The advisory also includes Yates, Seneca, southern Cayuga, Onondaga, Schuyler, Tompkins, Madison and Cortland counties.

For the advisory that includes Steuben County, the strongest winds will be tonight into early Monday, from the south, especially for high terrain and in south-to-north aligned drainages. However, gusty winds are also expected from a frontal passage Monday afternoon, out of the southwest to west.

Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result, the Weather Service said.

Use extra caution when driving, especially if operating a high profile vehicle.

Windy conditions are expected across the region through Monday night.

A high wind watch remains in effect from 8 a.m. Monday through 8 p.m. Monday for Genesee, Orleans, Wyoming, Niagara, Monroe and northern Erie counties.

Southwest winds of 25 to 35 mph with gusts up to 60 mph possible.

Damaging winds could blow down trees and power lines. Widespread power outages are possible, the Weather Service said.

Travel could be difficult, especially for high profile vehicles.

The advisory remains a watch due to uncertainty in the magnitude of winds from the Niagara Frontier to Monroe County, the Weather Service said in a forecast discussion on Sunday morning.

A westerly flow of colder air from late Monday through Tuesday will set the stage for lake effect snow east of the lakes. Rapidly drying air will greatly limit this potential however, despite the cold airmass, the forecast discussion said.

Off Lake Erie, expect a band of snow Monday evening across Southern Erie/Wyoming counties to drift farther south into the Southern Tier overnight, before weakening to light snow showers by Tuesday morning. Accumulations look minor, with a few inches possible across higher terrain, the discussion said.

Off Lake Ontario, some upstream connection to Lake Huron may give a little boost to available moisture, but the event still looks relatively weak. Expect a band of snow to develop across the Tug Hill plateau later Monday evening, then drift south into Oswego County by Tuesday morning before weakening by Tuesday afternoon, the Weather Service said.

National Grid reports that it is increasing staffing, extending evening and overnight work shifts and closely monitoring the upstate New York weather forecast. The company has increased its statewide field force to include more than 2,300 line, service, tree, damage assessment and public safety workers, and has activated its comprehensive emergency response plan.

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UPDATE, Dec. 4: The National Weather Service has added a high wind watch for Wyoming and Monroe counties to begin on Monday.

Southwest winds of 25 to 35 mph with gusts up to 60 mph are possible. The strongest winds are expected from late morning through Monday afternoon. The watch is in effect from 8 a.m. to 8 p.m.

Damaging winds could blow down trees and power lines and result in some property damage. Scattered power outages are possible, the Weather Service said.

Travel could be difficult, especially for high profile vehicles.

Fasten loose objects or shelter objects in a safe location prior to the onset of winds.

There are no advisories for Livingston County, though the Weather Service advises that strong winds are possible Monday, with gusts over 45 mph possible.

Original story, Dec. 3:

The National Weather Service has issued a high wind watch for Monday.

The watch will be in effect from 8 a.m. to 8 p.m. for Genesee, Orleans, Niagara and Erie counties.

Southwest winds of 25 to 40 mph, with gusts up to 60 mph possible. The strongest winds are expected from mid-morning through late-afternoon.

The winds are the result of a strong system moving into the area Sunday night and Monday, the Weather Service said in a forecast discussion.

Damaging winds could blow down trees and power lines. Widespread power outages are possible, notes the Weather Service.

Travel could be difficult, especially for high profile vehicles.

Fasten loose objects or shelter objects in a safe location prior to the onset of winds, advises the Weather Service.

Along with the high winds, temperatures will be falling fast behind the cold front Monday. Highs near 50 will likely be reached in the morning across western New York and towards afternoon east of Lake Ontario, the Weather Service said in the forecast discussion.

Lake effect snow is possible behind the front Monday night into Tuesday, the Weather Service said.

The combination of winds and snow showers will produce visibility restrictions on some areas. The best chance for snow showers will be across the Southern Tier and Tug Hill region Monday afternoon-Monday night, the Weather Service said.

Temperatures will fall to the low to mid 20s Monday night.

There are no advisories for Livingston or Wyoming County, though the Weather Service said in a hazardous weather outlook that those counties could see strong winds Monday with gusts of more than 45 mph possible. 

Livingston County may see windy conditions on Sunday, with a south wind of 20 to 26 mph and gusts as high as 39 mph, the forecast said.

Both Livingston and Wyoming counties are expected to see a high temperature around 50 degrees on Monday, but snow showers are also expected as the temperature drops to a low of 24 degrees overnight, according to the Weather Service forecast.

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