A weak La Niña is expected this winter, federal experts say. Drier-than-average conditions are likely in the Southwest, but California's outlook is uncertain.

When La Niña is in effect, wetter than usual conditions are common in the Great Lakes region during winter. There is a 60% chance for a weak and short duration La Niña to emerge between September and November and persist into January to March, according to the National Weather Service's Climate Prediction Center.

The National Oceanic and Atmospheric Administration has released its winter weather outlook, here's what Nashville and Middle Tennessee can expect.