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Bitter cold to start the weekend; snow and rain to end it - WFMZ Allentown

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SHORT TERM FORECAST

SATURDAY: Brisk and bitterly cold with sunshine and high clouds. High: 20

SATURDAY NIGHT: Mostly clear and bitter cold. Wind chills at or below zero. Low: 4

SUNDAY: Increasing clouds. Snow arrives in the evening eventually changing over to rain. High: 26, Low: 23

  

FORECAST SUMMARY

Another shot of Arctic air returns as we begin the weekend with below zero wind chills expected early Saturday and afternoon highs mainly in the teens to near 20°. While cold and brisk, it will be a mostly dry weekend, with lots of sunshine Saturday then thickening clouds on Sunday ahead of our next concern. That will be a strong and fast-moving storm that will zip up the coast, well actually, up just east of the Appalachians. With an inland and not a coastal track, that's not favorable for big snows for our area, as we're looking at snow changing to rain Sunday night. That will likely limit accumulations to a few inches for most of us before the changeover, with the heaviest snows well to our west in central and especially western Pennsylvania. Some scattered rain and snow showers and gusty winds linger on Monday, with cold but mainly dry weather lingering for most of next week. Yet another arctic blast may arrive this time next week.

DETAILED FORECAST  

SATURDAY

Saturday will be a bitter cold and brisk but also bright and sunny day, with highs only in the upper teens. Below zero wind chills in the morning will only reach the single digits in the afternoon, which means it will be brutally cold from start to finish. Saturday night may be the coldest night of the winter so far with mostly clear skies and finally diminishing winds, with lows well down into the single digits, and even below zero in the Poconos.

SUNDAY

We'll end the weekend by sneaking in a dry day on Sunday, but it will still be cold as sunshine gives way to increasing clouds ahead of a strong and fast moving winter storm for Sunday night into early Monday. Sunday's highs will be in the mid 20s, still quite cold for this time of year but not as cold as Saturday. Snow may develop very late Sunday afternoon, but more likely after sunset Sunday evening for most of us.

SUNDAY NIGHT AND MONDAY

A strong and fast-moving winter storm will zip up the East Coast, actually, up between the Appalachians and the I-95 corridor, Sunday night into Monday. If this storm tracked along or off the coast, we'd have a better chance of all snow and heavier snow. However, that inland track means warmer ocean air factors in, and what starts as snow for most of us Sunday evening will eventually turn to sleet and rain later Sunday night and early Monday morning before quickly ending as the storm departs. It will be windy too, especially towards the coast, where beach erosion and significant tidal flooding is likely. So right now, the snowy part of the storm will be from around sunset/ dinner time Sunday evening to around midnight Sunday night, with a shot of snow before the warmer ocean air arrives. Expect only a coating to an inch or two at best in the Delaware Valley north and west of I-95, 2-4" for most of our area including the I-78 corridor through Berks, the Lehigh Valley, and North Jersey. The Poconos may stand to get a little more, on the order of 4-6" of snow, but even here, a change to sleet and rain is likely later Sunday night. Keep in mind once we transition over to a wintry mix and eventually rain, that will washout what snow has fallen so don't expected snow coated areas Monday morning. It'll be more of a sloppy, slushy situation. Come Monday, our storm will quickly depart, leaving scattered showers behind, with any rain showers changing back to snow showers but no appreciable accumulation expected. It will remain windy and cold on the back side of our storm on Monday.

MIDDLE OF NEXT WEEK

It looks seasonably chilly and partly sunny on Tuesday, with more clouds and continued seasonable into Wednesday. Outside of some flurries Tuesday or a shower or two Wednesday night, it looks mainly dry through the middle of next week with no big storms. However, another arctic outbreak may loom for the end of the week.

TRACK THE WEATHER:

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January 15, 2022 at 04:45PM
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Bitter cold to start the weekend; snow and rain to end it - WFMZ Allentown
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