Strong cold front brings midweek cold and snow

finger lakes weather forecast monday april 19 2021 cold front midweek snow
After a typical mid-April day today, a strong cold front will bring rain, then snow, and finally wind for Tuesday-Thursday. [Photo by Gwen Moshier]

Front Approaches

A strong cold front will be the primary influence on our weather for most of this week.

For today, we are starting out on the warm side of the front, which is still well to the west in the Upper Great Lakes.

Today will be very similar to Sunday. The morning will have more sun than clouds, but the afternoon will see an increase in cloud cover.

As the clouds grow, scattered afternoon showers will pop up. These will individually be small and short-lived, and some areas may not see any rain. There seems to be a slightly higher chance for these showers across the southern half of the region.

Temperatures will be a touch warmer than yesterday, with most areas topping out in the upper 50s or around 60 degrees.

Showers will diminish early this evening as the daytime heating is lost, but the front will make its first approach after midnight. Showers will spread into the region and dissipate. A few showers, and perhaps some snowflakes, will linger into early Tuesday.

The front will retreat to the northwest on Tuesday, allowing temperatures to reach the upper 40s and low 50s for highs. Some breaks of afternoon sun are possible.

The front will then slide back to the east and set up over the Finger Lakes Tuesday night.

finger lakes weather 7-day forecast monday april 19 2021
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.

Midweek Snow and Wind

Low pressure will develop along the front and track northeast on Wednesday. The current expectation is for the track of the low to be to our east, placing the Finger Lakes in the cold and snow.

Widespread snow is likely on Wednesday, especially during the second half of the morning and into the first half of the afternoon. The snow will wind down later in the afternoon.

The exact track of the low will influence where the heaviest snows set up, but a band of 2-4 inch accumulations is very possible. Locally higher amounts, especially over higher elevations, are not out of the question.

Currently, the northwestern Finger Lakes is favored for these higher amounts, mostly areas near and north and west of Canandaigua Lake. If trends continue, though, this area may come further east.

The least likely chance for over an inch of snow will be in the far southeastern Finger Lakes, where temperatures will be warmest.

Highs on Wednesday will be in the low and mid 30s. Temperatures will fall back into the mid and upper 20s Wednesday night with snow showers lingering.

Thursday will still have snow showers, but strong winds will be a bigger story. Gusts coming from the northwest will be over 40 mph throughout the region, and possibly over 50 mph.

Highs on Thursday will reach the mid and upper 30s.

Everything clears out for Friday and we start a quick but brief turnaround. Friday will be sunny with highs at least in the mid 40s, while Saturday will shoot into the low 60s.

A new system will develop later in the weekend, spreading rain into the area for Sunday. Cooler weather will stick around for early next week, but the latter half of next week looks quite warm.

More Information:

» Finger Lakes Weather Radar

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finger lakes weather 7-day forecast monday april 19 2021
This 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.