The following code is how I get my weather information directly from weather.gov and display up to date weather information for my area.
Conky changed between Linux Mint v17.1 and v18. While the transition requires mostly copy/paste the top part of your .conkyrc file and leaving the bottom part as is, certain things no longer work. For example, reporting the status of certain important background tasks, SSH & Apache2, stopped working. Here is how I fixed it.
Under Linux Conky polls the system sensors to display status for you. It is fairly straight forward for a programmer to configure. My configuration is shared here.