Storm to dump 6-12 inches of snow Tuesday night, Wednesday

Heaviest snow Wed. mid-morning to mid-afternoon

TUESDAY: Sunshine fading behind increasing clouds. High: 46

TUESDAY NIGHT: Rain and snow developing this evening, changing to snow late. Roads may become slippery late. Low: 32

WEDNESDAY: Blustery with snow, some heavy, creating difficult travel. 6-12” for much of the area, 3-6” far west. High: 35 Low: 29


After a warm and often spring-like February, Mother Nature is using early March to cruelly remind us that it's still officially winter. Spring may begin two weeks from Tuesday, but there's certainly no signs of it in the forecast as we prepare for another shot of snow and wind.

TIMELINE: What to expect from Wednesday's nor'easter

WATCH: WFMZ Meteorologist Dan Skeldon has details in a weather discussion on the 69 News Facebook page.

Expect a light mix of rain and snow to develop from west to east across the area Tuesday evening, but most of what falls overnight should be light in intensity. As the colder air becomes more established as the night progresses, expect any rain to change to all snow by morning, and some light accumulations are expected by sunrise Wednesday. Temperatures will fall to the low-30s and winds still remain fairly light overnight, although that will change come Wednesday.

The crux of the storm occurs Wednesday in terms of both snow and wind, with periods of snow, some heavy at times, pretty much from sunrise to sunset. The heaviest snow is most likely to occur from mid-morning through mid-afternoon on Wednesday, and some bands of very heavy snow, with snowfall rates of 1 to 2 inches per hour, are likely to set up across parts of far eastern Pennsylvania and much of northern New Jersey.

Winds will crank up as well, but not to the level of the intense 60 mile-per-hour northwesterly gusts we had during the last storm. This time, winds will blow briskly from the northeast, sustained up to 20 miles-per-hour and gusting at times to 30 to 40 miles-per-hour. While not as strong as last week, the combination of the blustery winds and the heavy and wet snow accumulating on power lines and trees (some weakened by last week's storm) means that additional power outages and tree damage are both possible. The wind may not be as intense this time around, but for most of us outside the Poconos, the snow with this week's storm will be heavier.

Most of eastern Pennsylvania and northern New Jersey are under a winter storm warning for later Tuesday night through Wednesday for the likelihood of at least six inches of snow. In fact, our snowfall forecast calls for a widespread 6 to 12 inches of snow across the Lehigh Valley, the Poconos, all of northern New Jersey, and most of southeastern Pennsylvania to around Philadelphia. Within that large area there will likely be a swatch of locally more than 12 inches of snow, especially over northern New Jersey and far eastern Pennsylvania and especially where those heavier snow bands set up shop for a few hours.

South and east of the I-95 corridor, rain and sleet are expected to factor in for a longer time and therefore less snow is expected, with 3-6" across interior southern New Jersey and 1-3" along the shore. Winter storm watches continue in these areas due to the rain/snow line uncertainty.

Snow should end from southwest to northeast very late Wednesday afternoon or early Wednesday evening, with winds still blowing briskly Wednesday night and shifting from the northwest behind our departing storm. Thursday and Friday look largely dry and rather breezy, with west-northwest breezes continuing, and a little chilly for early March, with temperatures around or just above 40 degrees. A stray rain or snow shower can't be ruled out anytime Thursday or again Friday morning, but most of the time remains dry.

The second weekend of March should begin nice enough, with mostly sunny skies and seasonably cool temperatures on Saturday. Then, clouds promptly increase Sunday ahead of our next potential storm. This one has the chance to slide out to sea, to our south and east, and leave us largely cold and dry, or it could come farther north and bring us yet another chance for snow. Let's wait until the first storm is out of the way before speculating any farther with the second one, but a chance of snow and wind remains in the Monday forecast.

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Allentown, PA 18102




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