The Great Lakes and Northeast are bracing for another cold shot later this month — down to single digits in places. How cold will it get in NY?

The last time Texas experienced a “polar vortex effect” was last winter, when a cold front brought frigid temperatures and wind chills down to -15 degrees. David Montesino [email protected] ...

A potential wobble in the polar vortex could bring Arctic air to Michigan and the northern U.S. around Thanksgiving. A weakened polar vortex, combined with other atmospheric patterns, increases the ...

A potential wobble in the polar vortex could bring a return of arctic air to Ohio and the northern U.S. around Thanksgiving. Forecasts show below-average temperatures for about half the country ...