Weather early mid week
A small area of high pressure over the mid-Atlantic gets most of the Finger Lakes off to a clear and cool start to the week.
Clear skies and light winds allowed temperatures to drop into the single digits in many areas. For most people, this is the first time it’s been this cold all winter.
Sunshine will be with us for most of the day, but eventually some fluffy clouds will move in from the south this afternoon as a weather system approaches.
Winds will remain light today with maximum gusts below 20 mph for most of it. Afternoon highs will reach the low to middle 20s this afternoon.
Clouds are thickening this evening and night. Light snow will move from the south during the dawn hours. This snow will fall lightly throughout Tuesday, then finally move in at sunset.
Accumulations will be in the range of 1-4 inches, with the highest amounts in the southeastern half of the region. The snow should be light enough to prevent any major travel issues.
Temperatures will drop into the middle and upper 10s overnight, then return to the low and mid 20s Tuesday afternoon. West and northwest winds may reach 25 mph Tuesday afternoon before decreasing during the evening.
Outside of some lake effect clouds northeast of Lake Erie, skies should clear Tuesday night. With some fresh snow and cold southwest winds, Wednesday morning lows should return to the single digits.
Wednesday itself will be a mix of sun and clouds, although perhaps not quite as sunny as today. Highs will fail to reach 20 degrees in most areas.
Snow falling late in the week
The second half of the week will also see snowfall, although most of it will be light again.
Thursday will be cloudy, but snow won’t arrive until later in the afternoon. Like Tuesday, there is expected to be widespread light snow. Temperatures on Thursday will start in the low 10s and rise to the mid 20s.
Light snow will continue to fall throughout Friday. Another 1-4 inches is the most likely amount to accumulate. Temperatures will be a little different than Thursday, with overnight lows in the mid 10s and highs in the low 20s.
The low pressure responsible for this snow will retreat Friday night, opening the door for another shot of cold air. Saturday will start with temperatures in the single digits and highs may not exceed the mid 10s.
This cold air will move in with northwesterly winds, bringing a drizzle of lake effect snow across much of the region on Saturday. Accumulation will be greatest near Lake Ontario, where several inches may be possible.
Winds will be active on Saturday, with a few gusts up to 30 mph. As temperatures drop, the snow will likely be light and fluffy, so these winds will lead to reduced visibility and areas of blowing and falling snow.
The lake effect will subside on Sunday and the day may end with some sunshine. Temperatures will be slightly warmer than Saturday.
High pressure is expected to slide towards the east next Monday, leading to a sudden and significant rise in temperatures. High temperatures should reach the 30s on Monday with the possibility of reaching the 40s by Tuesday. These mild temperatures are likely to continue throughout next week.
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This figure represents the average for the entire Finger Lakes region. Local variations should be expected.