Impacts to travel will likely be severe with periods of near whiteout conditions, travel delays, chain controls, and possible road closures. Plan travel accordingly.
National Weather Service Sacramento CA
Mar 14 2018
Series of winter storms will bring periods of heavy snow and strong wind to the mountains of Western Plumas county and the Sierra Nevada today, and again Thursday afternoon into Saturday.
1 to 3 feet of snow is possible above 3000 feet with 3 to 5 feet (90 to 150 cm) at pass levels through late Friday. Snow levels will remain around 3000 to 4500 feet today through the remainder of the week.
West Slope Northern Sierra Nevada-
…WINTER STORM WARNING UNTIL 11 PM PDT THIS EVENING ABOVE 4000 FEET…
…WINTER STORM WATCH FROM THURSDAY AFTERNOON THROUGH LATE FRIDAY NIGHT ABOVE 3500 FEET…
Heavy snow occurring above 4000 feet. Travel will be very difficult to impossible.
Be prepared for significant reductions in visibility at times.
Thanks to Kenneth Lund for this link