http://brobergs.us/weather/forecast.txt
This is not a point, printable forecast, but this is:
http://www.crh.noaa.gov/ifps/MapClick.php?FcstType=text&textField1=40.0715713500977&textField2=-105.1665420532227&site=den&Radius=0&CiTemplate=0&TextType=2
You’re caching the wrong URL.