Snow and Ice Saturday Night through Sunday

finger lakes weather forecast saturday january 1 2022 ice winter weather advisories
As cold air seeps into the Finger Lakes tonight, rain will turn to a mix of snow and ice, making for slippery road conditions Sunday.

Winter Weather Advisories

A large weather system spawning snow, flooding, and severe weather across much of the eastern United States will have a mixed bag of rain, snow, and ice for the Finger Lakes tonight into Sunday.

For much of the daytime hours today, the precipitation will be locked away to our south. Warm air has already moved in, though, with temperatures well into the 40s and even 50s this morning.

Already by this afternoon, cooler air will start to seep into the northwestern Finger Lakes as low pressure to our south strengthens. The Rochester area, for example, will spend in the afternoon in the low and mid 40s, while areas like Geneva start in the 50s and then drop into the 40s.

By sunset, most of the area should be falling into the 40s with some 30s showing up near Rochester. Rain will also be moving in by this time and will become widespread and steady for the evening.

Overnight, temperatures will start to drop below freezing. However, warm air will be slower to retreat above the surface, leading to a wintry mix of snow and ice. As usual with mixed precipitation events, it will be a fine line between ice and snow and localized variations should be expected.

By dawn, snow should be the dominant precipitation type north of I-90. Along and just south of I-90, snow and sleet will mix with some occasional freezing rain.

Spotty freezing rain is expected for roughly the southern half of the region after sunrise, but steadier pre-dawn precipitation will put down a slick layer of ice before the precipitation becomes spottier.

Through Sunday morning, the axis of steadier precipitation will track southeast. Freezing rain will turn to sleet. Sleet will turn to snow. By the early afternoon, most areas should be seeing snow, even as the primary precipitation begins to pull out with lighter snow showers lingering behind.

This icy, snowy mess will make for slick travel conditions Sunday morning throughout the region, regardless of exactly what precipitation type is falling. Untreated roads will be hazardous, and given that it is a Sunday morning, my experience is that it may take longer for roads to be treated than on a weekday morning.

Snow accumulations will be on the order of 2-4 inches in and around Rochester. The I-90 Corridor could see upwards of two inches, mostly after sunrise Sunday. South of there, no more than an inch of snow is expected, with many areas seeing less snow, but with a layer of ice.

Temperatures Sunday will fall throughout the day, ending up in the mid 20s for much of the afternoon. Teens are likely Sunday night with just a few stray lake effect snow showers. Little to no accumulation is expected from these before they dissipate.

Monday will have increasing sunshine as morning lake effect clouds dissipate. It will be a cold day with highs struggling to get much above 20 degrees.

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Follow Meteorologist Drew Montreuil:
Meteorologist Drew Montreuil has been forecasting the weather in the Finger Lakes region since 2006 and has degrees in meteorology from SUNY Oswego (B.S. with Honors) and Cornell (M.S.). Drew and his wife have four young boys. When not working or playing with the boys, he is probably out for a run through the countryside.