Here's the precipitation forecast for this week. Heavy rain in the Northeast could cause flash flooding over the next couple of days--see our excessive rainfall outlooks here: https://www.wpc.ncep.noaa.gov/#page=ero. Other hotspots for rain include the Southwest, south-central U.S., and Midwest. | NOAA NWS Weather Prediction Center

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

Ever wonder how we track storms so precisely? For World Meteorological Day, our meteorologists are sharing the tech that changed the game. | The Weather Channel