Rain showers turn over to snow late Tuesday

finger lakes weather forecast tuesday december 1 2020 rain snow low pressure
Rain showers will eventually turn to snow with minor accumulations for most areas overnight and into Wednesday. [Photo by Gwen Moshier]

Stalled Low

The low pressure system that brought rain to the region yesterday is meandering near the east end of Lake Ontario this morning.

The low will not move much today, but may drift a bit further to the west this morning before coming back east later.

The center of the low is a bit further east than was originally expected. This has brought precipitation further east earlier, with rain and snow showers throughout the entire region this morning. Snow showers seem contained to the higher elevations of the Bristol Hills and for areas west of I-390.

On and off showers and flurries will persist for much of the day. The precipitation should not be heavy, but the breaks between showers will be short most of the time.

Temperatures will change little today, hovering in the upper 30s and low 40s through the early afternoon. During the latter half of the afternoon, temperatures will start to drop, and rain will gradually turn over to snow.

Winds will be a bit blustery, but not too strong. A general south and southwest direction is expected with speeds up to 10 mph. Top gusts on the day should stay near or below 30 mph.

Snow showers will become common tonight with a few localized bursts. Widespread snow showers should continue through Wednesday morning before tapering off during the afternoon.

Temperatures will drop to the upper 20s and low 30s tonight and will not get above 35 degrees until the snow stops tomorrow afternoon. As such, most areas should see at least a coating of accumulation. Higher elevations above 1200 feet have the best shot at seeing a couple inches, while the highest peaks over 1600 feet could see as much as four or five inches.

Road conditions this evening and Wednesday morning will be sloppy in areas, so please use typical winter weather driving precautions and remember to slow down.

finger lakes weather 7-day forecast tuesday december 1 2020
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.
finger lakes weather 7-day forecast tuesday december 1 2020

Staying Unsettled

Skies should become mostly clear Wednesday night, allowing temperatures to fall well into the 20s for areas with a snow cover and areas away from the lakes. Typically warmer lake-influenced areas should stay near 30 degrees.

Thursday will start with some sun, but clouds will quickly begin to mix in. It should not be a completely sunny or cloudy day. Most of the clouds that move through should be high in the atmosphere, allowing for the sun to filter through, even when it is covered.

Highs on Thursday will reach the low and mid 40s for most, though a few areas west of I-390 may remain in the upper 30s. A steady southwest wind near 10 mph will contribute to the warmer temperatures.

A weak system will drift through on Friday, bringing rain showers and higher elevation flurries. Highs will range from the upper 30s to the low 40s.

Showers will turn to flurries Friday night with a little lake effect snow early Saturday morning. The rest of the day should be cloudy with highs in the low 30s.

Another weak system looks possible later Sunday into early next week with light snow and minor accumulations possible.

More Information:

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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.