Snow and a little rain will continue across the Finger Lakes region through Monday morning.
The low pressure system responsible for the overnight snow and sloppy morning weather will track across northern Pennsylvania this morning. A little bit of warm air directly ahead of the system is changing some of the snow over to rain across the Southern Tier. Taking the current rain/snow line and projecting it east, it looks like it will get as far north as a Watkins Glen to Ithaca to Cortland line. North of those areas, the precipitation should primarily fall as snow this morning.
The snow, and any rain, will be on and off with some heavier bursts and some period of light to no precipitation. Additional accumulations should be minor, on the order of an inch or two at most.
Precipitation will clear out by this afternoon and some sun will be possible before the day is done. Temperatures will peak later this morning or early afternoon, but should start to drop this afternoon as cold air works in behind the system.
Clear skies, calm winds and the fresh snow will all help the temperature drop tonight. Most areas should drop at least into the teens, but a few of the normally colder areas may fall all the way into the single digits. Any crops that have bloomed early are in serious jeopardy from this extreme cold. The all time record low for April in Ithaca (at the Cornell observing station) is 11 degrees. The temperature tonight could challenge that record.
Tuesday will be clear and sunny, but cold, with highs only topping out near 30 degrees. The normal high is closer to or above 50 degrees, depending on location. Tuesday night will be cold once again, with lows possibly just a couple degrees warmer thanks to some clouds that work in after midnight.
Those clouds will be fairly thick on Wednesday with an isolated rain shower or two and highs around 40 degrees. A brief warm up to the upper 40s is possible on Thursday, but with rain showers likely as a low pressure system develops directly overhead. This low will track east and stall out, resulting in temperatures in the 20s and low 30s for Friday, Saturday and Sunday along with persistent snow showers.
