Heavy rain and heavy snow are expected to affect Northern California this weekend as an atmospheric river arrives.

An atmospheric river is expected to bring three major storms with significant rain, snow and wind to Northern Nevada for the next several days. But what is an atmospheric river? Here's a look at ...

The KCRA 3 weather team is issuing Impact Days through Tuesday because back-to-back storm systems will bring waves of rain and snow that can affect outdoor activities and travel.

A map from AccuWeather shows where heavy rain ... some events may or may not be attributed to an atmospheric river. We tend to move toward calling it that in order to convey impacts related ...