A unique weather situation is shaping up for late October. Here's what an atmospheric river means and why it matters.

Heavy rainfall will have the potential to produce flooding west of the Cascades in Washington and Oregon,” the CPC said.

NWS Seattle warns of a potential atmospheric river impacting the region starting mid-next week. Stay informed for updates.

Atmospheric rivers are defined as rivers of water vapor in the sky. They can bring heavy rain or snow storms upon landfall and usually last 3-7 days.

An atmospheric river is forecast to develop in the northeastern Pacific next week, potentially bringing heavy rain and strong ...

An atmospheric river storm hit the Los Angeles area in the early hours of Tuesday morning, bringing the risk of flooding, ...

A Gulf of Alaska low-pressure system is ushering in significant rainfall and a cooldown for B.C.'s South Coast, bringing fall-like conditions to the region. This developing system will draw in a ...

While the forecast is slightly premature, the setup is typical for a wet and windy stretch heading into the weekend of Oct.

New weather stations are helping California forecasters better predict flooding from damaging storms called the 'pineapple ...

FRESNO, Calif. (KFSN) -- We've seen a break in the downpours for much of our Friday, but rain and snow flurries are expected to pick up once again with an atmospheric river pattern expected through ...

SAN RAFAEL, Calif. (KGO) -- In the North Bay, many are getting ready ahead of the approaching atmospheric river, which could bring flooding to some areas. A giant leaf vacuum was on duty in downtown ...