Read and retell the story Into the Snow: A Stella and Sam Adventure. Talk about making a snowman and things found under the snow. As of January 2016, this app costs $1.99.
This app, Winter Animals Videos, Games, Photos, Books and Activities for Kids by Playrific, has activities perfect for describing, carry-over, increasing phrase length and a variety of speech and language activities. As of January 2016, this app costs $.99.
Visit my post, Snow Day! - Apps and More, to find out more about the free apps Snow Man (and free visual supports) and Snow
The simple picture book, I Like Snow, by GrasshopperApps.com has beautiful pictures of children in the snow with simple sentences. Great for vocabulary. Customize this book by adding your own photos and a repetitive line.
Draw With Hearts allows you to add hearts to your own photographs or screenshots. This works well when working on prepositions or cause and effect.