The storm is expected to bring moderate to heavy snowfall across the state, affecting major roadways and travel plans.

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by treacherous conditions.

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

The Oregonian/OregonLive has created a new interactive map for subscribers that provides an estimate of how much snow you can ...

Texas is getting another round of winter weather, and low temperatures risk icy conditions. Check live road closures and tips ...