National Weather Service forecasters say nearly continuous onshore flow will keep California and portions of the Pacific Northwest in a very active, wet pattern this weekend. Rain and mountain snow is forecast for much of the western U.S. as a deep upper-level low and associated surface cold front pushes inland. Heavy rainfall is expected for the coastal areas and the nearby mountains, with some locations getting in excess of 4 inches of rainfall by Saturday morning (2/16). The extent of this on

Here’s the view inside the National Weather Service Romeoville Doppler radar and a look at its 28 ft. diameter antenna. It's huge! When you track storms on radar across the Chicago area, this is the Doppler antenna which scans area skies. My WGN crew and I had a chance to climb the 100 ft. tower for a look inside the huge radome you see outside the NWS Forecast Office in Romeoville. It was hot in there yesterday! The Forecast Office and the radome are adjacent to the beautiful Lewis University c

Introducing our all-new Live Doppler 5, the most powerful Doppler radar in Chicago! http://nbcchi.com/qTtMw8k | NBC Chicago