Extreme Temperatures, Heavy Rain/Snow, Weekly Outlook, Winter Weather

Weekly Outlook: December 31, 2018-January 6, 2019

Remember last week when we hinted that First Night could be really cold? Well, it seems as though we were wr….wro….wro….we were a little off.

It is NOT going to be a fun First Night in the Dakotas. Image provided by Weathermodels.com

First Night is actually going to be bitterly cold, if you’re planning on spending it in Fargo, where wind chills will be 25 to 35 degrees below zero when the clock strikes midnight. Around here? It’ll be a tad milder. Low pressure will move from the Great Lakes into northern New England later today and tonight. Precipitation will move in this evening, and it will likely still be cold enough for some snow, sleet, or freezing rain from the Merrimack Valley northward, at least at the start. Elsewhere, just some rain is expected. Milder air will move in aloft, and eventually at the surface too, changing the precipitation to rain everywhere overnight. That warm air may take its time moving in, especially from the Merrimack Valley into southern New Hampshire, but New Years Morning will likely be quite mild across much of the area. Don’t get used to it, as a cold front moves through during the morning, with windy and colder conditions likely for the afternoon.

The NAM model shows cold air stubbornly hanging around in southern NH and the Merrimack Valley Tuesday morning, while everywhere else turns milder. Image provided by WeatherBell.

Tuesday afternoon is also when the Winter Classic takes places, featuring two of the absolute best sweaters in the NHL (and two of our favorite teams here at StormHQ) – the Boston Bruins and the Chicago Blackhawks. We’ll refrain from comment about the fact that it’s taking place at the home of the Angry Leprechauns – Notre Lame, er, Dame, or that outdoor hockey games are much better on TV than in person (trust us, we’ve experienced it), but for the game itself, it should be cloudy with temperatures in the middle 30s, which is pretty much perfect for outdoor hockey.

We’re not fans of outdoor hockey games, but we are fans of the Bruins and the Blackhawks. The weather will cooperate, so let’s hope for a great game (and a Bruins victory). Image provided by the National Hockey League.

As we head deeper into 2019, things get quieter (and colder) around here for a few days. High pressure builds in, and we’ll have generally dry and cool conditions for much of the remainder of the week, as we remain in a split jet-stream pattern. Basically, we’ve got a northern stream keeping some storms across southern Canada and to our north, and a southern stream keeping the warmer, juicier storms to our south. This will be the case on Friday when it looks like a southern stream storm will come along and give us some rain, while the northern stream remains locked up in Canada. If you don’t like snowstorms, then you want this pattern to continue. Why? Because if the streams cross, to quote Dr. Egon Spengler, “It would be bad.” That’s usually how we end up with some of our bigger snowstorms in the winter. As the storm moves by, colder air will work in behind it, with the rain possibly changing over to snow before ending on Saturday. High pressure then returns for next Sunday.

New Years Eve: Becoming mostly cloudy. High 37-44.

Monday Night: Cloudy and becoming breezy with rain developing, starting as some snow or a wintry mix from the Merrimack Valley into southern New Hampshire. Rain ends towards daybreak. Low 32-39 during the evening, then temperatures will hold steady or slowly rise overnight.

New Years Day: A lingering shower early, then becoming partly to mostly sunny, windy, and colder. High 49-56 in the morning then temperatures quickly drop through the 40s during the afternoon.

Tuesday night: Clear to partly cloudy. Low 18-25.

Wednesday: Mostly sunny. High 27-34.

Thursday: Partly sunny, slight chance for a snow or rain shower. High 35-42.

Friday: Cloudy with rain developing in the afternoon, continuing at night. High 38-45.

Saturday: Cloudy and breezy with rain, possibly mixing with or changing to snow before ending late in the day. High 34-41.

Sunday: A mix of sun and clouds, breezy. High 36-43.

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