Bouts of light snow to end the week

finger lakes weather forecast wednesday december 4 2019 snow showers cold front lake effect
On and off snow showers and a heavier burst or two will be possible Wednesday and Thursday before a more widespread light snow moves in Friday. [Photo by Gwen Moshier]

Small Accumulations

A pair of weather systems, and of course the Great Lakes, will keep snow in the forecast for the remainder of this week.

The first snow maker is a cold front that is tracking east through the lower Great Lakes today. Already there have been some snow showers out ahead of this front, and that will continue throughout today.

West-southwest winds off Lake Erie will help the front by enhancing the snow. For areas along and north of I-90, this will mean more frequent bouts of snow and perhaps a heavier burst or two. An inch or so of accumulation will be possible by this evening.

Locations further south will see snow, but it will not be as frequent. Little to no accumulation is expected here.

Snow showers will become more widespread early this evening as winds turn more westerly and Lake Erie spreads its moisture over a greater area. By Thursday morning, winds will be from the northwest, removing Lake Erie snows from the Finger Lakes, but adding Lake Ontario into the mix.

Narrow, mainly weak bands of snow will be spread throughout the region Thursday morning, but by the afternoon, they may consolidate into a stronger band in and around the Syracuse area.

This could make for some slower evening commute times, but the band should dissipate after just a couple hours. A quick inch or two will be possible, with less than an inch of accumulation expected elsewhere.

Lastly, a small low pressure system will dive southeast across the Finger Lakes on Friday. Widespread snow is likely for several hours, mostly during the morning. Accumulations look to be on the order of 1-3 inches for most of the region.

Temperatures over this time period will bounce around a bit. Look for highs in the mid and even upper 30s Wednesday with low 30s on Thursday. Friday will reach the mid and upper 30s for southern areas while locations further north stick in the low 30s.

Northwest winds will also become rather blustery for a time on Thursday with gusts of 30-40 mph.

Changing Trends

Saturday morning will start out cold, though just how cold will depend on some lake effect clouds Friday night. If skies clear, single digits are likely. Otherwise, teens are more likely.

High temperatures will be stuck in the mid and upper 20s. Evening temperatures will initially drop with teens and single digits possible again.

From there, temperatures will go on a significant warming trend.

By Sunday morning, most areas will have returned to the 20s as a south wind strengthens. Sunday will have some sunshine filtered by thin clouds early, but the clouds should thicken up as the day goes on.

Nonetheless, high temperatures will range from the mid 30s in the southeast to the low 40s in the northwest.

Monday will see widespread 40s and rain showers as a low pressure system tracks towards the region.

Rain will continue into Tuesday ahead of a cold front. Temperatures could briefly reach 50 degrees Monday night or early Tuesday before the front moves through.

By Tuesday evening, temperatures will tumble into the low 30s and upper 20s with rain showers turning to snow. A period of gusty winds is also possible.

This will briefly set us back with chilly temperatures and lake effect snow for Wednesday and Thursday next week before another surge of warm air takes aim at the region.

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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.