W hether you're dealing with hot summer days, heat-related medical conditions, or simply looking to stay comfortable while on ...

This stability helps keep the polar vortex — and all its bitterly cold air — locked up in the Arctic, far from places like the United States or Europe. However, when the jet stream weakens ...

Three surges of Arctic air will chill the United States over the next two weeks, each one more significant than the last. Accessibility statement Skip to main content. Democracy Dies in Darkness.

The Arctic Oscillation is expected to be in a negative phase next week, which would allow cold air from the North Pole to spill southward. To stream 3NEWS on your phone, you need the 3NEWS app ...

Winter weather is making its presence known across the US as millions of people deal with the onslaught of a long-duration, lake-effect snowstorm that has paralyzed communities downwind of the Grea… ...

Multiple bursts of increasingly brutal, cold Arctic air will overspread the eastern two-thirds of the country over the next few days, dropping temperatures to dangerous lows by next week.

A blast of Arctic air is bringing cold weather to New England over the next several days. Wind chill values in the mornings are going to be 0 to 15 below, with the coldest areas across the hillier ...

A blast of Arctic air is expected to arrive in Mississippi soon as the Arctic jet stream pushes farther South than usual and allows air from as far as Siberia to move into the U.S., according to ...

In Washington, D.C., the temperature hasn’t dropped below zero degrees since Jan. 31, 2019. In Philadelphia, the same threshold has not been breached since Jan. 19, 1994.