By now, the snow has completely thawed and I'll suspect your lawn is a little bit browner now. Don't worry. There's no reason to be distressed about your dormant lawn; it's supposed to be like that. The lawn is just dormant. But now is a good time to plan your strategy for your nice green lawn in summer.
This time of year, you should identify bare spots or areas of the lawn where the grass has completely died out. You can repair these areas in April or May with new pieces of sod.
If there area isn't completely bare, then it'll need further evaluation in mid-spring. Wait until the lawn greens-up in mid-spring to make any decisions about what to do.