University of Illinois
University of Illinois Urbana Champaign: Other Forecasting Methods
This site contains a couple different ways that one can forecast the weather. Methods include the Climatology Method, the Analog Method, and Numerical Weather Prediction.
Other
Pete's Potpourri: Numerical Weather Prediction in Faq
This site discusses weather forecast computer modeling, or numerical weather prediction (NWP). It also discusses the development of the concept of front and air masses, as well as which computer forecast models are currently being used...
CK-12 Foundation
Ck 12: Earth Science: Predicting Weather
[Free Registration/Login may be required to access all resource tools.] Looks at how meteorologists predict the weather.