The storm will usher in warm temperatures, which will contribute to the flooding risk from heavy rain as snow melts.

As a series of Pacific storms continues in the northwestern United States and in southwestern Canada, the biggest storm of the bunch will include an atmospheric river in portions of Washington and ...

An atmospheric river is expected to affect western portions of Washington and Oregon beginning Saturday and continuing into Tuesday. This will bring the potential for urban and river flooding impacts.

An atmospheric river is expected to arrive this weekend, which will help with the rain deficit in the lowlands but will ...

January was unusually dry in Washington and Oregon. An atmospheric river barreling toward the region looks to make February ...

An atmospheric river is targeting the Pacific Northwest this weekend. It will deliver heavy rain and relatively mild air, and probably will be followed by a powerful low-pressure system expected to ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean. Some get the nickname ...

An Arctic air mass kept its grip on much of the central and eastern U.S. on Friday, plunging temperatures to record lows as snow blanketed central Colorado and the Pacific Northwest braced for an ...

An atmospheric river is expected to bring torrential rain to California this week, threatening parts of the state with flash ...

Many atmospheric river events are weak ... The crash sparked […] WASHINGTON (AP) — President Donald Trump’s approach to ending Russia’s war against Ukraine has left European allies ...