Winter Storm Watch issued December 13 at 2:43AM MST until December 15 at 5:00AM MST by NWS Boise ID

* WHAT…Heavy snow possible. Heavy snow possible. Total snow
accumulations 4 to 6 inches, with 10 to 18 inches possible above
6000 feet.

* WHERE…Camas Prairie, Boise Mountains, and West Central Mountains.

* WHEN…From this evening through late Saturday night.

* IMPACTS…Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could be very difficult
to impossible.