Hi, Dave, I noticed this error in my log about the same time yesterday (and then again today). Passing along to you in case it will help. Let me know if you need any other info. I'm on your latest version but yesterday I think I was still on .02 when I noticed the error in my log.
Nov 6, 2017, 3:29:23 AM
WUnderground Error Problem parsing 10-day forecast data. Error: (Line 1842 (float() argument must be a string or a number)