Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, transporting much of the moisture from the tropics to ...

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

The North Bay is slated to bear the brunt of the atmospheric river headed for the Bay. Though it will rain all weekend, the National Weather Service says the heavy rains come Monday and Tuesday ...

Three atmospheric rivers delivered big rain and snow totals to Northern California. Here's a look at how much fell.

An atmospheric river is pounding Northern California with heavy rain and the threat of flooding before heading to Southern California.

But the atmospheric river will be limited to the West Coast, as much of Arizona will experience above-normal temperatures and ...

Colorado's northern mountains are forecast to receive light to moderate snow during the first full week of February.

Atmospheric river conditions could bring multiple feet of snow to the northern Sierra Nevada. Other areas face a risk of flooding as the ground becomes increasingly saturated.

The National Weather Service said there is a small chance a weather system coming to Southern California will cause sprinkles ...

The Army Corps of Engineers' decision to release water from dams in the San Joaquin Valley is causing concern among regional water managers.

Here's the latest forecast for an upcoming winter storm that forecasters hope could finally lift Los Angeles County from the ...

Coming from the tropics, these atmospheric river storms will be warmer, and the weather models are not unified on how much of the precipitation will fall as snow. We're seeing it right now ...