Showers and thunderstorms will start to develop during the afternoon and evening, mainly on the Hi-Line. TRENDING TODAY:Police investigating overnight shooting in Great Falls. City of Great Falls explains increase in utility rates. Great Falls church's 'Serve Day' helps Alliance For Youth. Police investigating overnight shooting in Great FallsCOMING UP:CARNIVALDreamland Carnival will be in Great Falls from July 16 through July 20 at 3028 10th Avenue South.