Skies have cleared across the Finger Lakes for the start of our Wednesday despite rain showers still lingering as close as the Binghamton area early this morning.
Low pressure remains just off the coast of Maryland, while high pressure is centered over the Ohio River Valley. North of the Upper Great Lakes, a second low is lurking.
Since the weather pattern has been stagnant for days, warm air has had time to work up and over the high. Temperatures aloft are nearly 10 degrees warmer over Michigan than over Kentucky.
With clouds from the coastal low to our east, skies will be sun-filled today, allowing us to tap into some of that warmer air. Temperatures will rise quickly this morning on their way to afternoon highs in the mid and upper 60s. A few areas may be able to hit 70 degrees, particularly along the lake plains south of Lake Ontario and in urbanized areas.
Late in the day, and possibly not until after the sun sets, new thin clouds will work in from the second low pressure system. Skies will be partly to mostly cloudy overnight. Overnight lows will be around 50 degrees for the northern areas, but closer to the mid 40s across the southern half of the region.
On Thursday, the sun may be harder to find, but it should still make at least some appearances. The later in the day, the thicker and more widespread the clouds will likely become. Nonetheless, most areas should break into the low 70s for afternoon highs.
A band of rain showers may develop over the region late Thursday afternoon and early in the evening. The rain should not last long, but a few briefly heavier periods are possible. Some areas will probably get missed out, though, especially across the Southern Tier and areas west of Canandaigua Lake.
Cold Front Brings Chill Back
With clouds and an increasing southwest wind, temperatures Thursday night may not drop below 50 degrees for many areas. However, it will not be long before a cold front moves through Friday morning.
Accompanying the front will be rain showers and a turn in the wind to the northwest. The winds Friday will be blustery, with gusts just shy of 30 mph.
The northwest winds will import cooler air into the region. Prefrontal temperatures may have enough time to reach the mid 50s before retreating to the upper 40s and low 50s for much of the midday and afternoon.
Clouds will remain throughout the day with scattered showers and bits of drizzle. Lake effect rain showers will kick in Friday night, but should retreat northward as winds over Lake Ontario become westerly.
This will open the door for a chilly night with Saturday morning lows down into the 30s for many areas. Pockets of low 30s will be possible in the Southern Tier, while the rest of the region sees mid and upper 30s.
The cool air aloft will lead to plenty of clouds bubbling up shortly after sunrise and persisting for much of the day. Dry air may work in late to end things on a sunny note Saturday. Highs will only be in the upper 40s and low 50s.
Sunday should have a pleasant mix of sun and clouds with highs pushing towards the upper 50s. Monday and Tuesday will be around 60 degrees. A few showers will be possible late Tuesday.
Active weather looks possible towards the end of next week, but it is far too early to speculate much on what the details of that will look like. Before that system arrives, though, warmer air should continue to seep into the region.
This graphic represents an average over the entire Finger Lakes region. Localized variations should be expected.
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