With the temperatures well above average and your kids home for the next week or so, it shouldn't be hard to get them outside.
And, experts say it's definitely worth the extra effort to get them running around.
Researchers say children burn about half as many calories in the winter as they do in the summer.
Kids do tend to eat more in the winter, but the bigger problem is less activity.
Doctors suggest continuous movement for 45 to 60 minutes at least a couple times a week.
One pediatrician says the trick is to make activities fun, and to limit TV, and video and computer games.