Scholastic
Scholastic: Dirtmeister's Science Lab: Weather or Not
Simple experiments for exploring clouds and cloud formation. You'll find out whether dust in the air helps cloud formation and discuss how dust helps meteorologists make weather predictions.
Other
North Carolina Museum of Natural Sciences: Groundhog Day 2010 [Pdf]
Designed for Grades K-8, this teaching guide is chock-full of ideas for celebrating Groundhog Day, with activities like making shadow puppets, examining weather lore and studying cloud formations.
Curated OER
Scholastic: Weather Watch
Scholastic presents Weather Watch, where you can learn to predict the weather. Learn how to observe clouds, collect data with weather tools, investigate climate conditions, and analyze the weather. The site includes a comprehensive...
Other
K 3 Learning Pages: Web Resources Thunderstorms
Check out this comprehensive list of web resources on thunderstorms and safety. Students and teachers will benefit from the links found on this site.