Short description of Weather Signature 1.32: WeatherSig is a fun tool that displays your city weather conditions in your email signature. Your signature is inserted automatically into outgoing messages for Microsoft Mail, Outlook Express, Mozilla Thunderbird and more. WeatherSig has popular fortune cookie abilities and customized signature settings for your business or private use. Includes thousands of one line jokes, proverbs, quotes of the day and more. Now supports Windows Vista.