Chain or snow tire controls are in effect for Douglas County's mountain roads this morning as rain turned to snow in Carson Valley ahead of a winter storm.
The Nevada Highway Patrol responded to assist two motorists on Highway 50 in Zephyr Cove this morning as the storm rolled in.
Road controls are listed for Kingsbury Grade, Highway 50 from Carson City to Stateline, Highway 395 south to Topaz Lake and on Highway 208 from Topaz Ranch Estates to Wellington.
Carson Pass, Echo Summit and Donner Pass are all requiring chains or four-wheel drive. A wind alert is in effect for both Highway 395 and I-580 between Carson City and Reno.
About a fifth of an inch of rain fell in the last 24 hours in Carson Valley, with closer to a third of an inch falling in Markleeville. Heavenly Ski Resort reported 2 inches of new snow at 5:30 a.m. Kirkwood reported 6-8 inches of snow as of 9 a.m. today.
According to the National Weather Service, a strong low pressure system will remain just off the coast of the Pacific Northwest through the weekend. A jet stream moving around the south of the low will bring moisture into Northern California and Nevada through Sunday night.
National Weather Service forecasters say dangerous winter conditions will affect holiday travel and outdoor activities.
Rain and snow this morning will transform into snow this morning through early evening. A second period of rain or snow is expected late Sunday morning.
As much as 4-8 inches of snow could accumulate on the Valley floors, with 6-12 inches falling in the foothills west of Highway 395.
Expect breezy conditions with winds 10-20 mph, gusting to 35 mph.
Forecasters recommend carrying tire chains, food, water, blankets and a flashlight when traveling during a winter storm.