As you all know, I'm a dedicated weather nerd. So when I have a day off and don't look at any computer model data; that's a solid indication our pattern is pretty dead. (I suppose it could also be an indication that I have a life, but let's be realistic)
We had a thumping of snow for late December, bitter cold for the beginning of January and now we have just "normal winter" weather for the next few days.
Tonight: Mostly clear conditions early on will allow temperatures to fall off pretty rapidly, dropping into the teens statewide and single digits in the mountains and north by midnight. Clouds will increase from the west after 2-3 AM and that will level out temperatures and provide the chance for an isolated flurry or snow shower in the mountains. Most of us will remain dry and the cold will be the headline: 10-15 F along the coast, 5-10 inland and -3 to 5 in the mountains.
Sunday: Two weak systems will be converging on Maine by the morning hours: a ragged looking warm front from the west and an upper level disturbance sliding along the coastline from the east. On their own they would barely produce a snow flurry, but together they will yield periods of light snow. I don't except anything too consistent outside of the mountains, but there will periods of light snow moving across the interior and even to the coastline, dropping a dusting in most spots. Outside these patches of snow look for mostly cloudy conditions to dominate with high temperatures around freezing. The mountains will pick up 2-3" of accumulation by the evening.(By the way if you can get to the slopes tomorrow it will be a FANTASTIC day with fresh light snow and reasonable temperatures)
Periods of light snow will continue Sunday night into Monday morning as a trailing cold front pushes through.
Once the front is through by the mid morning hours on Monday look for a reinforcing shot of cold air to stream down from Canada. This will be the last frigid airmass for a while but look for highs to struggle to get out of the teens in most spots with low 20s along the coastline. Sunshine will become plentiful by Monday afternoon, but the cold will still win out as the sun angle this time of the year is vastly ineffective.
We start to "ridge out" as I like to say, on Tuesday/Wednesday/Thursday. That means the jetstream pushes to our north and essentially locks the frigid air up in Canada for a while. We won't be crazy mild but I foresee upper 30s to low 40s from Tuesday through Saturday.
Things look pretty quiet on Tuesday and Wednesday with mostly sunny skies and the computer models currently disagree on a possible storm for Thursday.
Either way, I can't imagine anything that hits us with that kind of strong ridge in place is anything but mainly rain...snowpack and climate history be darned.
Either way I wouldn't worry about that yet...it's still 5 days out.