Sunshine followed by clouds Monday, with highs in the mid 40s

Tracking some mixed precipitation for Tues., Wed.

TODAY: Sunshine followed by increasing clouds this afternoon. High: 47

TONIGHT: Mostly cloudy and cold. Bit of snow possible south of east/west turnpike. Low: 24

TUESDAY: Cloudy with rain and snow at times yielding little or no accumulation. High: 39 Low: 29

Today will be very similar to the last two days temperature-wise. We’ll start very cold this morning, but by the afternoon, look for high temperatures to once again climb into the mid to upper 40s. High pressure will be keeping things dry as it slowly pushes off the coast. A storm system developing out across the lower Plains states and advancing eastward will start to increase high clouds across our area late in the day. There can be a bit of snow tonight, generally south of the east/west turnpike with little or no accumulation.

Tuesday is the arrival of the Spring Equinox at 12:15pm but it certainly won’t be feeling like Spring. As low pressure moves from the lower Plains states to the Tennessee Valley and eventually transfers to a coastal low pressure system near the Outer Banks or Virginia Beach, our skies will be mostly cloudy and some rain, snow, and maybe even a little sleet, will try to advance into at least southern parts of the area, starting in the mid to late morning hours and going through much of the rest of the day.

What is starting to look more likely is that this first wave of low pressure will track far enough to our south and east that the heaviest precipitation will stay south of the viewing area. Having said that, some snow may still be able to work just far enough north to reach portions of the Delaware Valley and southern New Jersey. These areas may be able to pick up a coating to perhaps even an inch or two of wet snow, mainly on non-paved surfaces. Once you go north to the I-78 corridor and the Lehigh Valley, and especially points north of there, a little rain and snow may be possible, but little or no accumulation is expected at this time. High temperatures on Tuesday will struggle to get to 40 degrees.

Once Tuesday’s coastal low pressure system departs, another low will form in its wake. Computer models show this low tracking just to the south and east keeping the heaviest precipitation to the south. But, we can see just enough moisture to bring a general coating to an inch or two of snow, mainly of non-paved surfaces late Tuesday night and Wednesday morning.

Canadian high pressure will then slowly advance from the northwest to keep things high and dry the rest of the week but also chilly. To go along with the chilly air, winds will be gusty again due to a tight pressure gradient between high pressure to the northwest and low pressure well out to sea. Temperatures will remain below average as we head into the first weekend of spring, which is when our next chance of precipitation will be. An area of low pressure moving in from the Midwest may bring some more rain and snow for Saturday. Have a great and safe week ahead!

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Allentown, PA 18102




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