R-C Ski Forecast for December 31

18 lifts open, 31 trails open, 4 terrain parks open.

Forecast: Mostly sunny, slightly warmer temps in the low 30s.

New snow: None.

Base depth (on trails w/ snowmaking): 25-36 inches.

Surface conditions: Packed powder, machine-made snow, machine-groomed snow.

Tickets/Passes: www.snow.com or 1-800-HEAVENLY.

10 lifts open, 65 trails open, 28 trails groomed, 2 terrain parks open.

Forecast: Clear with a light breeze, high of 39.

New snow: 6-8 inches over the weekend.

Base depth (on trails w/ snowmaking): 41-48 inches.

Surface conditions: Packed powder, machine groomed.

Tickets/Passes: www.kirkwood.com or (209) 258-7254.

8 lifts open, 37 trails open.

Forecast: Partly sunny, highs in upper-30s, mid-40s.

New snow: None.

Base depth (on trails w/ snowmaking): 23-39 inches.

Surface conditions: Machine groomed.

Tickets/Passes: www.sierraattahoe.com or (530) 659-7453.