Same for me but I downloaded the latest version of Vclouds. and followed the help text:
-- Weather Location --
There are two ways to obtain your city's location code:
Search for your city.
Look at the long number at the end of the resulting URL.
for example searching for London, England will give us this URL:
So the LocationCode for London would be 7517a52d4d1815e639ae1001edb8c5fda2264ea579095b0f28f55c059599e074
Copy the value that comes up for your city and paste it in the skin like instructed below.
when in your city page, copy the 8 digit code (for example New York - USNY0996).
After coping your code by one of the methods above, click the button on the upper right corner of the skin to open