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

The coldest air of the season will descend across the U.S. this weekend and early next week, bringing subzero wind chills with it.

California wind advisories are expected to persist through early Wednesday, impacting both coastal and inland communities.

Parts of northern Montana are forecasted to experience high winds that are expected to make travel difficult, according to ...

Night - Partly cloudy. Winds variable at 5 to 7 mph (8 to 11.3 kph). The overnight low will be 14 °F (-10 °C). Cloudy with a high of 28 °F (-2.2 °C). Winds variable at 5 to 9 mph (8 to 14.5 ...

Areas of Montana can expect wind chills of up to negative 40 degrees on Sunday night until Monday morning. The following map created by Newsweek using Flourish shows the three states where NWS is ...

At least two people have died and thousands of California residents have left their homes behind as multiple wildfires spread ...