Parts of northern California could see up to a foot of rain, but Phoenix will remain dry and warmer than usual.

A weather system fueled by a "Pineapple Express" originating near Hawaii will unleash torrential rain across Northern ...

At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday.

Downtown San Francisco was drier, but it still had a big day. The area recorded 2.53 inches on Tuesday, its highest daily ...

Places like California, Oregon, Washington, Idaho, Utah and Nevada are (somewhat) used to this sort of phenomenon. You can ...

If this late-week atmospheric river pattern shifts south, Sacramento's rain totals will increase. The same rule applies to snow chances around Lake Tahoe. If the northward trend continues, many of ...

The term “atmospheric river” was coined in 1994 and has since quickly gained popularity. But what does it really mean?

Heavy rain is hitting the Bay Area and coastal areas this week as an atmospheric river moves through Northern California.