Ice coats the shoreline along the Delaware Bay in the Reeds Beach section of Middle Township, N.J., Wednesday.
Ferocious cold continued its assault Wednesday on the north-central and northeastern U.S. Wind chill temperatures dropped to minus 50 degrees in some parts of the upper Midwest.
The bitter conditions are expected to persist into the weekend in the Midwest through the eastern half of the U.S., said Shawn DeVinny, a National Weather Service meteorologist in suburban Minneapolis.
Authorities suspect exposure has played a role in at least four deaths so far. ...