The temperature will play a major role in determining the severity of an approaching winter storm.
National Weather Service meteorologist Mark Britt said Monday that the metro-east is likely to get 2-4 inches of accumulation in a storm that will start late Tuesday and extend into Wednesday, alternating between snow showers and rain.
“But there are some projections that we could get much more snow,” Britt said. “The reason for that is the temperature. We’re right on the borderline and if it’s a couple of degrees cooler we could see less rain and more snow.”
The high temperature is expected to be 35 Tuesday, Britt said. Every degree lower puts it closer to the freezing mark and trades off rain drops for snow flakes.
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The high Monday will reach 50. Skies will be cloudy early but will clear as the day goes on.
Monday night, the low will drop to 34 and skies will be partly cloudy.
It will be mostly cloudy Tuesday with a 20 percent chance of rain and a high of 49. The most likely time for wet weather will be after noon.
Tuesday night, the low will be 35 with rain likely late.
Shortly after midnight Wednesday rain is expected to turn into snow showers. There is a 70 percent chance of snow that could make the morning commute messy. Winds will gust from the north at up to 33 mph.
Snow is likely to continue after the sun comes up with accumulation of about three inches expected. The high is predicted to reach 39.
The chance of snow mixed with rain will continue into Wednesday night when the low will be 30.