Copper Mountain Close Date 2025. This winter forecast preview will dig into historical snowfall data for weak la nina winters and provide some clues on what that could mean for copper mountain. On wednesday morning copper mountain resort announced that it plans to extend its season for two additional weeks to sunday, may 7, thanks to consistent snowfall and a strong base.

On wednesday morning copper mountain resort announced that it plans to extend its season for two additional weeks to sunday, may 7, thanks to consistent snowfall and a strong base. Estimated dates are based on historical averages or advice from the resort.