Janice Dean has your FoxCast. A system moving across the Southern Plains will bring rain and thunderstorms before spreading into the lower Mississippi Valley Friday and then the Gulf Coast states and Southeast this weekend. Lake effect snow is up and running this weekend again for cities downwind of Lake Ontario and Lake Erie. The national forecast for Friday, March 5. (Fox News) The Northwest is about to get active again with several systems ushering in rain along the coast and mountain snow. Current radar conditions in the central and western U.S. (Fox News) This energy will push into parts of Northern and Central California and the Rockies.