Yes, ski weight matters more than most people realize—it directly affects how the skis feel on your feet and how they perform in different situations. Lighter skis (under 3000g per pair) are easier to flick around and maneuver, which is why touring skis prioritize low weight. Every gram counts when you're climbing uphill for hours. Heavier skis (4400g+) tend to feel more planted and stable at speed, absorbing chatter and busting through choppy snow instead of getting deflected.
For most resort skiers, the sweet spot is in the middle: 3000–4400g per pair depending on your priorities. Light all-mountain skis (3000–3800g) are nimble and forgiving, while average all-mountain skis (3800–4400g) offer a bit more composure when you push the speed limit.
The biggest mistake is chasing the lightest skis possible for resort skiing—some heft actually helps you stay stable through crud and carved turns. Conversely, heavy freeride or race skis make touring miserable. Also, remember to compare weight relative to length and width; a wider, longer ski will naturally weigh more, so consider weight in context of the ski's overall size.