HASTINGS, Neb. (KSNB) – While the bitter cold is behind us for now the outlook is not exactly stellar as we begin the week. Fog will expand across the Local 4 area and become dense with visibility possibly dropping to 1/4 mile or less in areas. A DENSE FOG ADVISORY remains effective until noon on Tuesday. Temperatures tonight will hold in the lower 30s and could drop a bit below freezing which could cause fog to freeze on elevated roadways, overpasses and sidewalks as well as less traveled roadways.