Here are a few resources:
Click here for an ebook called Groundhog's Day and Possum Night.
Here are some resources for Pinterest:
A nice collection of math, language and reading activities.
Activities from Edhelper if you have an account.
A song about Groundhog's Day on You Tube
Click here to explore more ideas from Pinterest.
Click here for a Smart Notebook lesson from the SMART Exchange. You need to sign up for a free account if you don't already have one.
I hope you and your students enjoy learning about and celebrating Groundhog's Day!