Hi Viva --
Granted I'm not in Maine, but I do have experience with East Coast winters so know something about coats and snow.
Given your frame and style, I'm going to put in a plug for Mackage -- looks like (hopefully) they're included in the F&F sale. They have LOTS of nice touches -- neck pieces that zip off and can be worn up/open, leather accents, etc. Styles are fitted enough that you may want to try the XS and S.
Selection there:
http://www1.bloomingdales.com/.....code%3D972
After looking for several years to replace my wool coat and not finding the fit or slightly-off-classic style I wanted, I got a Mackage last year on a pretty good discount...just in time for a winter with lots of daytime temps in the teens and 20s(vs 50s!) and more snow than usual.
I'm so pleased with the coat's style and function. I actually LOVED not having to keep track of a scarf (though if I'd wanted to zip off the wool neck piece, I could have worn whatever). When walking in the coat on those cold days I was so warm I often had to wear it open so I think it would work fine for you...the wool is very thick. [ETA 70% wool + 10% cashmere and 20% polyamide.]
Below is my coat showing some of the aforementioned touches/options -- for some reason most retailers only show 1 or 2 of them!
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