"Luntiful" sunshine?

Usually, my Ambient weather forecaster is accurate.  On two occasions in March, however, it went a tad berserk.  The current temperature and forecast description for March 4 were both off the mark:

Upon reading this, I imagined my grade school vocal music class singing "Zip-A-Dee-Doo-Dah" with an alternate lyric predicting "lunty of sunshine."  Admittedly, "lunty of sun" would have helped, had the temperature of  -7 degrees been accurate.