Nearly a dozen states received hazardous weather warnings from the National Weather Service as of early Wednesday.

Next major winter storm in the US set to blast 300 million with downpours, snow - The system brought heavy rain to wildfire-ravaged areas of Southern California after months without precipitation

Most forecast models show the wintry mix arriving tomorrow, picking up around the AM rush hour. Check out your forecast here:

The National Weather Service issued an updated winter storm watch at 2:07 a.m. on Thursday valid from 10 p.m. until Saturday 4 p.m. for East Slopes of the Oregon Cascades.

On Thursday at 12:20 p.m. the National Weather Service issued a winter storm warning valid from Friday 4 a.m. until Saturday 4 p.m. for North Oregon Cascades, Cascades of Marion and Linn counties and Cascades of Lane County.

Winter weather advisories or winter storm warnings were in place for seven states early Tuesday morning, with the National Weather Service forecasting up to 12 inches of snow for some parts of the country. Winter storms can cause power outages, while snow can interfere with travel and create dangerous driving conditions.

While the wait goes on for meaningful snow in the Twin Cities, Minnesota's North Shore is set for a significant amount this weekend. A winter storm watch has been issued by the National Weather Service for the Lake Superior shore, where up to 10 inches of snow could fall on Saturday and Sunday.

Heavy snow and high winds are forecast to impact travel on Oregon’s Cascade Mountain roads and passes from Thursday night into Saturday afternoon.

A winter storm expected to hit southern Colorado on Wednesday could drop more than a foot of snow in the mountains and up to six inches in the southern metro area.

Hawaii is under severe weather warnings, including high winds, thunderstorms, and flash floods, as a storm approaches.

From national parks to crucial access routes and rural communities, the expected rough weather is forcing closures across the island chain.

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.