Clouds continue until late Friday

finger lakes weather forecast thursday january 7 2021 cloudy drizzle flurries
Clouds will hold tough Thursday and most of Friday before dry air finally erodes the clouds away. [Photo by Gwen Moshier]

Broken Record Weather

A north-northwest flow of cool air over the Great Lakes continues to lock in near-surface moisture across the Finger Lakes.

This moisture is contained to the lowest two to three-thousand feet of the atmosphere. This is little more than a sliver compared to the part of the atmosphere where weather occurs. Above this thin layer of moisture, the rest of the atmosphere is very dry.

The moisture will continue to manifest itself in the forms of cloudy skies. The thickness of the cloud layer has decreased some compared to earlier in the week. This should help limit the drizzle and flurries, but it will not be enough to completely erase them today.

The biggest change from the last few days, and it isn’t much of a change really, will be in the temperatures. Instead of highs in the low and mid 30s, most areas today will be near or below 30 degrees.

Temperatures tonight will range through the low and mid 20s. A few pockets of upper teens will be possible, namely in Wyoming, Allegany, and Cortland counties.

Clouds will persist for most of Friday, but dry air at the surface will begin to work in from the north. Eventually, this dry air should overpower Lake Ontario’s moisture contributions and the clouds will start to break up.

This process should start during the latter half of Friday afternoon, but will probably not be complete until well after sunset. As such, some areas will get to see the sun Friday while others won’t.

Temperatures will be at their coolest on Friday, with highs in the mid and upper 20s.

finger lakes weather 7-day forecast thursday january 7 2021
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.

Weekend Weather & Beyond

Saturday will be our best shot for sunshine as the dry air moves through. Some thin clouds may mix in from time to time, and a few stray thicker clouds cannot be ruled out completely.

Temperatures on Saturday will respond to the sunshine by rising into the mid 30s for most areas.

Low clouds will return Saturday night, sending us back into grey, overcast skies for Sunday. Temperatures will drop a couple degrees on Sunday as a result, sticking around 30.

High pressure will pass overhead on Monday. The day will start cloudy, but as the high moves through, winds will turn to a more southerly direction, removing the low clouds from the area. However, a deck of thin clouds will move in from the south ahead of a coastal weather system. The window for sunshine will therefore be limited on Monday.

Temperatures on Monday will top out in the mid 30s.

The coastal system will pass to our southeast on Tuesday. Far southeastern portions of the region, such as Owego and Marathon, may see a little snow. There is a small chance this system tracks further northwest, but the models have been consistent enough thus far that I do not place a lot of credence in that possibility.

Dry weather will persist through the middle of the week before the pattern becomes more unsettled toward the weekend and into the following week. Light rain and snow showers will be possible, but no major bouts of precipitation or major invasions of cold air are expected.

More Information:

» Finger Lakes Weather Radar

» Finger Lakes Weather Radar

» Zip Code Forecasts

» Your Forecast
finger lakes weather 7-day forecast thursday january 7 2021This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected.

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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. David LaBarr

    Hi I’m wondering if you’ve heard about any vortex coming to New York State around the 18th of January with Arctic air I saw an ad about it and they’re saying it’s supposed to be here the 18th through the 25th or 26th thank you for any information on it

    • Meteorologist Drew Montreuil

      I don’t see much in the way of a “polar vortex” invading our region or any arctic blast. A slight cool down is reasonable, which could have a couple of chilly days or cold nights, depending on cloud cover and other variables that are far too distant to identify. Sounds like classic click-bait winter hype.