According to the Windy weather map, temperatures are ... a possibility of single-digit wind chills. Texas has declared a state of emergency in response to the polar vortex. Maryland, Virginia ...

A polar vortex collapse could bring cold weather to the UK later this month, the Met Office has warned. The weather ...

Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and Washington.

Map show wind chill temperatures in the US (Picture ... California (Picture: AP) A polar vortex of Arctic air extends from the top of the world south typically two or three times per winter ...

A polar vortex is expected to grip the Rockies ... Temperatures are predicted to dip as low as -42.7C (-45F) with wind chills down to 51 below Celsius (-60F) in northeastern Montana into ...