Rainy and chilly to end the week

finger lakes weather forecast thursday april 15 2021 rain snow chilly
Cool air is back in the Finger Lakes with periods of rain and some nighttime snow for Thursday into Friday. [Photo by Gwen Moshier]

Low Pressure Spins By

An area of low pressure overhead and a second low developing along the Mid-Atlantic coast will bring a couple of wet and cool days to end the work week.

As of 7 AM, rain was falling across the far western Finger Lakes and slowly tracking to the east. Through the morning, this rain should continue its eastward progress as it expands. All areas will eventually see rain this morning.

The rain will end from west to east this afternoon. Areas west of Seneca Lake should have mostly dry conditions this afternoon, while the I-81 Corridor should hold onto showers into the mid or even late afternoon.

Northwest winds will blow at 5-10 mph, pulling colder air into our area. Combined with the clouds and rain, the wind will help hold temperatures down. Look for mid 40s when it is not raining, but low 40s or even upper 30s while it is.

The rain should be completely east of the region by this evening, with just a few stray showers or flurries early on tonight. The chances for rain and snow will increase again towards dawn. A light coating of snow could stick to grassy surfaces over higher elevations with temperatures falling into the low and mid 30s.

On and off showers and morning flurries will continue through Friday. The precipitation should not be as widespread as this morning, though some areas could get stuck under a band for several hours while other areas manage to stay mostly dry throughout the day.

Friday’s temperatures will again stick to the low and mid 40s with nighttime temperatures falling back to the mid 30s. Northwest winds will persist for Friday with occasional gusts of 20-30 mph.

finger lakes weather 7-day forecast thursday april 15 2021
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected. Click to enlarge.

Weekend Weather and Next Week

Precipitation will depart Friday night, leaving Saturday mostly dry. A morning flurry or spit of drizzle will be possible, along with areas of fog. Clouds will remain thick much of the day, with just a small chance for a glimpse of sunshine before the sun sets.

Temperatures will creep upwards, with highs in the upper 40s and low 50s. Northwest winds will continue to blow lightly.

Scattered rain showers will be possible on Sunday as another system passes through. Some areas may not see rain, though, and those that do should not see much. Highs will continue to inch upward, reaching our seasonal averages in the mid 50s.

A few more showers will develop Monday, mainly during the afternoon. A few rumbles of thunder cannot be ruled out either. Highs will make it to the upper 50s.

A cold front will approach on Tuesday, but the models have trended later, bringing the front through late Tuesday night. This would allow highs to return to the 60s on Tuesday with some sunshine.

Behind the front, highs would return to the vicinity of 50 degrees for at least Wednesday and Thursday. A few more rain showers will be possible for the end of next week as well. Milder weather should start to build back in thereafter.

More Information:

» Finger Lakes Weather Radar

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finger lakes weather 7-day forecast thursday april 15 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.