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.

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

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.

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

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

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

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

Several severe weather alerts have taken effect as a strong winter storm system approaches Hawaii. The HNN First Alert Weather Team earlier declared a First Alert Weather Day statewide through Friday morning.

The Pennsylvania Department of Transportation (PennDOT) is advising motorists to avoid unnecessary travel during a winter storm forecast to hit northcentral and northeast Pennsylvania overnight Thursday into Friday.

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