Light rain and snow showers the next couple days

finger lakes weather forecast friday december 4 2020 cloudy cool rain showers snow flurries lake effect weekend
Precipitation will be common through the weekend, but intensities will remain light and impacts will be few. [Photo by Joan Lockwood]

Unsettled into the Weekend

An active weather pattern over the Eastern United States will bring precipitation to our region, but heavier, more meaningful precipitation will fall elsewhere.

A disturbance in the northern branch of the jet stream is diving south through the Great Lakes, while low pressure over the mid-Mississippi valley is spreading precipitation north-eastward.

While neither system on their own is directly impacting our region this morning, some light rain showers have developed between the two. These will continue off and on throughout the day, only producing minimal amounts of precipitation.

South and southwest winds will blow today at 5-10 mph. These winds will push highs into the low and mid 40s today despite cloudy skies.

Tonight, the northern system will move into the region with a continuation of rain showers. At the same time, it will start to merge with and become absorbed by the southern system. Precipitation that falls tonight will be light as a result, and the southeastern third of the region may see very little precipitation.

Temperatures will drop to the low 30s as north winds take over. Very little change in temperature is expected during the day on Saturday, with highs in the low and mid 30s.

A few lake effect snow showers will develop south of Lake Ontario. During the daytime hours, these will be favored over the western Finger Lakes due to the north wind. By evening, winds will become more northwesterly and the snow showers will drift east.

Flurries will likely persist well into Sunday for the typical lake effect areas over Cayuga, Onondaga, and Cortland counties. Outside of these, it will be cloudy and chilly with highs in the mid and upper 20s to low 30s.

In all, a general coating of snow can be expected with a couple of inches over localized higher elevations.

finger lakes weather 7-day forecast friday december 4 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 friday december 4 2020

Quieter Pattern

Our weather will become less active next week as a pair of high pressure systems spread out across the majority of the nation.

Another low pressure will pass well to our south on Monday and early Tuesday. While no direct impacts are expected, winds will remain out of the north and northwest on the backside of the low. No precipitation is expected, but clouds will remain thick for Monday and much of Tuesday.

High temperatures both days will remain in the mid and upper 20s to low 30s. Overnight temperatures will range through the 20s.

On Wednesday, a small low will form north of Lake Ontario and pass into northern New England. Once again, precipitation is unlikely, but a fair amount of cloud cover should be expected.

Winds around this system will turn to the southwest, nudging highs upward into the mid and upper 30s.

Clouds will probably linger into early Thursday before a small window for some sunshine develops. Thursday is also the best chance at seeing 40 degrees next week.

The pattern looks to get more active late in the week with a couple small disturbances passing through with rain and/or snow showers. No significant weather systems are expected at this time, though.

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.

2 Responses

  1. Ann L

    I love the photos that accompany your forecasts. Are you able to label them as to where they were taken?

    • Meteorologist Drew Montreuil

      Hi Ann! Glad you like the photos! Most of the pictures I have been sent do not include location information…though a lot come from the Horseheads and Ithaca areas…and my own are generally from the Groton area.