Great add-on Rated 5 out of 5 stars
Nice from you Silverhawk!
Your tip works fine for FF4.
When change on the text file, make sure that you keep the few information letters after new Maxi. Firefox Version (4.5). I believe that's the reason why some of us get the "corrupted file" warning when try to install the modified extension.
Most accurate and clear weather forecasts available!