Since the popups use a cookie to determine the last time it was served, it's probably a good idea to accept any cookie requests you encounter on the FlyerTalk site. They should only be cookies for the flyertalk server and the tribalfusion server and subdomains. I'll let our ad people know about the Weather bug feeback, though.
Jeremy, you should be able to view your cookie preferences from within your browser. Depending upon which browser you're using, check for a security settings (or cookie settings) and a list of accept/deny settings.