Polar vortex leaves nasty surprises, still grips northern Midwest
 

As it continued its northward retreat, the arctic blast still held sway over the upper Midwest, where it bore down with below-zero lows early Thursday. http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA</img> http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA</img> http://feeds.feedburner.com/~ff/rss/...rQ:V_sGLiPBpWU</img> http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs</img> http://feeds.feedburner.com/~ff/rss/...rQ:gIN9vFwOqvQ</img>


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