Forecasters are warning motorists that a combination of powdery snow and strong winds could result in near zero visibility tonight and Thursday morning.
A second storm is expected to arrive on Thursday morning, bringing more snow and strong winds to the Sierra.
According to the National Weather Service, the storm warning remains in effect until noon Thursday. The heaviest snowfall at Lake Tahoe is expected through 8 p.m. today and 6-10 a.m. Thursday.
Accumulations of 10-18 inches of snow is expected above 7,000 feet with up to a foot possible below that elevation.
Winds tonight are expected to be 20-30 mph, gusting to 50 mph, with gusts faster than 100 mph over the Sierra ridgetops.
Forecasters say the worst driving conditions will be before 10 a.m. due to blowing snow.
Wind gusts of 60 mph blasted Carson Valley early Wednesday morning, but there was little in the way of damage.
Gusts of 58-60 mph struck the Valley between 2 and 4 a.m., knocking over outhouses and breaking a few windows and branches.
Brief power outages occurred during the early morning, but nothing that required NV Energy crews to respond, according to power company spokesman Calder Chism.
While only a dusting of snow fell in most of Carson Valley, the foothills experienced 3.5 inches in the early morning hours.
The National Weather Service reports up to 6 inches falling in the foothills above Carson City. Heavenly Ski Resort reported 6-7 inches of snow overnight on Wednesday.
Walker Lake reported an 89 mph wind gust, while Virginia Peak had a gust of 94 mph.
Wednesday's snowfall tended toward the north with Squaw Valley receiving 14-18 inches and Incline Village reporting 10 inches of snow overnight.