News about Polar vortex, US

Freeze Warnings & Frost Advisories are in effect for all but the immediate coast and southern Poconos for tonight. After another couple of "chilly" days, we flip the switch & get a taste of summer for the start of the new week! #NJwx #DEwx #MDwx #PAwx pic.twitter.com/n7XPvrbXd7

⚠️🥶 Yet another frosty night is forecast for tonight with low temperatures in the low to mid 30s in many areas. Tonight will be the coldest of the week, although frost development is possible again Friday night as well. Protect sensitive plants! #PAwx #NJwx #DEwx #MDwx pic.twitter.com/nHK6poJaHb

Great Lakes and Northeast still below freezing tomorrow morning. Friday's lows in the 20s in Michigan and New England. pic.twitter.com/e2Sp58wzM0

Isolated showers will taper off this evening and skies will clear out overnight. Temperatures will drop into the 20s across western Wisconsin & below freezing in eastern Minnesota. Frost/Freeze is likely in those locations. Wet weather returns this weekend. pic.twitter.com/EJyqGl8cru