Santa Barbara recorded 169.5 mm (6.67 inches) of rain over a three-day period ending November 17 2025, setting a new rainfall record for the county. The series of atmospheric rivers that brought the record rainfall caused at least 7 fatalities in California due to heavy rain, flooding, and rough seas.
A powerful atmospheric river is forecast to impact the western United States between October 25 and 31, 2025, bringing heavy rainfall, mountain snow, and high winds from Northern California to Washington.
An atmospheric river (AR) is expected to reach the Pacific Northwest (PNW) on Saturday, October 18, 2025, bringing heavy rain and elevated freezing levels above 2 400 m (8 000 feet) before lowering as the system moves east. 25–100 mm (1–4 inches) of rainfall is forecast over coastal Washington and Oregon, with orographic enhancement expected on the Olympic Peninsula and Northern Cascades.
A series of atmospheric rivers (AR) is forecast to hit the U.S. West Coast from late September through early October, beginning with a strong AR that made landfall over British Columbia on September 26, 2025. Forecasts show moderate AR conditions in Washington, Oregon, and northern California on September 28, followed by a stronger system making landfall on September 30 and potentially continuing into October 7.
A strong atmospheric river is forecast to shift southward along the British Columbia coast between September 26 and 29, 2025, bringing several low-pressure systems and periods of heavy rainfall to Vancouver Island and the South Coast. Forecasts suggest up to 100 mm (4 inches) of rain in west-facing coastal mountains, with persistent showers likely across the Lower Mainland.
An atmospheric river that made landfall over the U.S. West Coast on Saturday, February 22, 2025, brought heavy rain and widespread flooding, particularly in Washington and Oregon, where multiple roads have been closed.
A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low-elevation rain and heavy high-elevation snow in the mountains. By Sunday over the Interior Northwest, rain combined with snowmelt will increase the risk of flood hazards.
An atmospheric river triggered multiple debris flows and flash floods across California after it brought heavy rains and mountain snow to much of the state on Thursday, February 13, 2025. Multiple flood alerts and evacuation warnings were issued, with the local authorities reporting widespread damage and multiple rescues.
An atmospheric river is forecast to bring heavy precipitation to California today and in the coming days, with significant snowfall expected in the Sierra Nevada and flood risks across multiple regions.
At least two people have been reported dead in Sonoma County due to the storms triggered by atmospheric rivers that have been affecting the region since January 31, 2025, leading to landslides and house collapses across the region.
