Ask @dendrite how 93 can be during weather, he commutes to/from CON on 93. it can be a disaster during storms, but usually gets cleaned up quickly.
and like someone else said, take 495 to rt 3. Rt 3 becomes the Everett Turnpike in Nashua, the merges with I-93 in Hooksett.
God help you if you get stuck behind the line of plows going 25mph.