WASHINGTON — Get ready for extreme cold weather in D.C. and most of the U.S. over the next few days. The polar vortex has ...

MINNEAPOLIS, Minnesota — Our entire region is under an Extreme Cold Weather Warning until 12 p.m. Tuesday; wind chills could fall as low as -45 degrees. This Arctic blast is thanks to a polar vortex.

Montrealers are bracing for a polar vortex, with temperatures feeling like minus-40 in some areas of Quebec. The polar vortex ...

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

This article has been updated to include new information provided by the L.A. County Sheriff’s Office. LOS ANGELES (KTLA) – ...

Because of the ongoing firefighting battle and the likelihood of dangerous refuse in burned areas, many anxious residents ...

13 degrees to 31 degrees: Your home should be a warming center for your child. Children should come in every 20 to 30 minutes ...

Evanston residents should brace for the coldest weather of the year next week, with temperatures dipping below zero for days ...

Some of the coldest air that we've seen so far this winter looks to be paying the Garden State a visit early next week.

ANNAPOLIS, Md. (AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies ...