Texas counties are facing freeze warnings and watches as a polar vortex brings dangerously low temperatures this weekend.
Read moreParts of the U.S. to see warmer temperatures as the polar vortex weakens, but cold conditions remain for northern regions.
Read moreFlorida counties face freeze warnings and a reminder for pet safety as cold temperatures approach due to the polar vortex.
Read moreHeavy snow is expected across Texas, prompting travel warnings as a polar vortex leads to frigid temperatures and hazardous conditions.
Read moreA severe winter storm brings bitter cold to the southern US, disrupting travel and causing widespread power outages amid dangerous conditions.
Read moreTexas declares a statewide emergency as a polar vortex brings heavy snow and ice, prompting safety alerts across the region.
Read moreCold air from the Arctic is penetrating the U.S. more frequently, attributed to phenomena associated with climate change.
Read moreWinter Storm Blair brings harsh cold and snow across the U.S., raising questions about the role of climate change in extreme weather patterns.
Read moreA polar vortex brings subfreezing temperatures and winter storm warnings across the Southern U.S., impacting Texas, Oklahoma, and Arkansas with snow and ice.
Read moreA polar vortex led to extreme winter conditions in the U.S., causing major flight disruptions and record snowfall this week.
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