Winter Weather Advisory issued December 15 at 4:19AM PST until December 15 at 10:00AM PST by NWS Portland OR

* WHAT…For the Winter Weather Advisory Above 3500 feet, snow.
Additional snow accumulations up to two inches. For the Winter
Storm Watch, heavy snow possible. Total snow accumulations up to
20 inches possible.

* WHERE…Northern and Central Oregon Cascades.

* WHEN…For the Winter Weather Advisory, until 10 AM PST this
morning. For the Winter Storm Watch, from this evening through
Tuesday morning.

* IMPACTS…Travel could be very difficult to impossible. The
hazardous conditions could impact the Monday morning and evening
commutes.

* ADDITIONAL DETAILS…For the watch, there is around a 50% chance
for snowfall amounts greater than 12 inches during the 36 hour
time frame. 20% chance of greater than 20 inches above 5000 feet.
Snowfall will be heaviest early Monday morning.