Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

County Warning Area
WFO Morristown TN

The National Weather Service at Morristown TN is responsible for issuing forecasts, watches and warnings for 33 counties in east Tennessee:
Anderson, Bledsoe, Blount, Bradley, Campbell, Carter, Claiborne, Cocke, Grainger, Greene, Hamblen, Hamilton, Hancock, Hawkins, Jefferson, Johnson, Knox, Loudon, Marion, McMinn, Meigs, Monroe, Morgan, Polk, Rhea, Roane, Scott, Sequatchie, Sevier, Sullivan, Unicoi, Union and Washington

5 counties in southwest Virginia:
Lee, Russell, Scott, Washington and Wise

2 counties in extreme southwest North Carolina:
Cherokee and Clay