polar vortex

Forecasters warn of a 'potentially catastrophic' US winter storm
The exact timing and path remain uncertain, but an arctic air mass from Canada is expected to clash with rain, creating a major winter storm.
Dangerous cold continues with wind chills well below zero
Dangerous cold moves in with -25 wind chills expected Tuesday: LIVE
Dangerous cold temps to bring -30 wind chills to Chicago
Is Chicago experiencing another Polar Vortex?
What is the Polar Vortex?
Chicago weather history: Look back at coldest day on record in 1985
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Illinois apple orchards' picking season shortened by extreme weather
Extreme cold during Polar Vortex breaks statewide record
Firefighter's beard freezes after battling blaze in -50 wind chill
Polar vortex: Iowa college student found dead on campus
Polar Vortex Explainer: Get ready for bitter cold the next few weeks
What is a polar vortex?
ABC7 To Go for November 10, 2014
Why is it about to get so cold in much of the country?
110714-wls-polar-vortex-5-vid
Polar vortex brings early chill next week
Polar vortex brings early chill next week
More Stories
Dangerous cold continues with wind chills well below zero
Dangerous cold moves in with -25 wind chills expected Tuesday: LIVE
Dangerous cold temps to bring -30 wind chills to Chicago
Is Chicago experiencing another Polar Vortex?
What is the Polar Vortex?
Chicago weather history: Look back at coldest day on record in 1985
Illinois apple orchards' picking season shortened by extreme weather
Extreme cold during Polar Vortex breaks statewide record
Firefighter's beard freezes after battling blaze in -50 wind chill
Polar vortex: Iowa college student found dead on campus
Polar Vortex Explainer: Get ready for bitter cold the next few weeks
What is a polar vortex?
ABC7 To Go for November 10, 2014
Why is it about to get so cold in much of the country?
110714-wls-polar-vortex-5-vid
Polar vortex brings early chill next week
Polar vortex brings early chill next week
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