TONIGHT: Clear and seasonably cold. Low: 27
THURSDAY: Sunny to partly cloudy; a flurry, mainly north and west. High: 45
THURSDAY NIGHT: Patchy clouds and cold. Low: 23
Wednesday started out very mild with temperatures in the 50s in the early morning hours, prior to the cold front moving through. Once the cold front passed we saw wind pick up and even saw a few gusts between 30 and 40 miles per hour. Those winds also started the invasion of colder air from the west and northwest. Although Wednesday's daytime highs were in the seasonable mid-40s, they were much colder than the upper 50s and low 60s many experienced on Tuesday. As high pressure tried to work its way in from the southwest on Wednesday the area saw more blue sky and sunshine. That trend will continue overnight, so clear skies will lead us into Thursday. Clear skies often mean colder temperatures and tonight will not be an exception to that rule as temperatures fall into the chilly upper 20s.
The large trough set up to our west on Wednesday will deepen over the next day or so as it makes its presence known along the East Coast. Before that happens we'll squeeze out one more mainly dry and seasonable on Thursday. With just a few clouds around highs will reach into the mid-40s Thursday afternoon. The reason we said a mainly dry day is because there will be a bit of a breeze and that breeze may usher in a flurry to areas north and west of the Lehigh Valley.
By Friday those winds will calm down, but the threat of some light snow at night is possible, especially in parts of Delaware and southern New Jersey. Before we get there, Friday will feature a decent amount of sunshine with highs stuck in the 30s. This is the start of the colder pattern that will remain with us into the middle of December.
As Friday night rolls around a low-pressure system will develop along the frontal boundary that passed through our area early Wednesday morning, but is now sitting stationary out over the ocean. That front will be fairly far off the coast, most of the moisture should stay out at sea. However, areas along and south and east of I-95 corridor, especially towards the shore, may get a little light mix of rain and snow overnight Friday into Saturday. Right now, this feature continues to look just a bit too far southeast to impact most of the area, which should stay cold and mostly dry through the start of the upcoming weekend. However, it still bears watching just in case, especially for place southeast of the Delaware Valley.
Saturday night into Sunday morning, a clipper low-pressure system will move through the Great Lakes and track just north of the area. It’s fairly weak and moisture starved, but a few snow showers or flurries can’t entirely be ruled out Saturday night or Sunday morning. Otherwise, expect partly cloudy skies, brisk breezes, and colder temperatures to be the rule through the rest of the weekend. Weekend highs will only be in the upper 30s, and breezes will again add an additional chill. The third and final chance for some snowflakes arrives later next Tuesday into Wednesday as low-pressure tracks from the Great Lakes into the Northeast. This could spread some light rain and snow along its track, although it’s still unclear as to the track this feature will take, and if any coastal redevelopment can occur to enhance the rain and snow just a bit. So there’s a chance of some rain and snow in the midweek forecast to account for this possibility, although remember no major storms are in sight. Regardless, the cold pattern keeps chugging right along through next week.
Allentown, PA 18102