Reading the live feed from Caltrans...
Read them in sequence, north to south, and you can watch the weather change along the drive before you start it. These are Caltrans still images, refreshed by Caltrans on its own cadence, not a live video feed.
US-395: Carson City to Bishop is open. No chain controls are in effect on this stretch right now.

Coleville · 6,902 ft · Caltrans still image

Bridgeport · 6,486 ft · Caltrans still image

Lee Vining · 8,149 ft · Caltrans still image

June Lake · 8,031 ft · Caltrans still image

Mammoth Lakes · 7,529 ft · Caltrans still image

Mammoth Lakes · 6,906 ft · Caltrans still image

Lake Crowley Exit Ramp · 6,886 ft · Caltrans still image

Mammoth Lakes · 7,037 ft · Caltrans still image
Road, weather, and camera data: Caltrans District 9, the California Department of Transportation's Eastern Sierra district.