It's been all downhill for a pair of California ski resorts that closed earlier than planned. What's happening? Western ski resorts have struggled to stay open this winter. Now, according to SFGate, the slopes at Mt. Shasta Ski Park and Dodge Ridge shuttered for the season in mid-March because of unseasonably warm weather. In McCloud, where Mt. Shasta Ski Park is located, snow was so scarce that season pass holders couldn't claim their 60 days…