National Weather Service United States Department of Commerce

Atmospheric River in the Pacific Northwest and Northern Rockies this Weekend

A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low elevations 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. Flood Watches are in effect. Read More >

October 26, 2010
Severe Weather & Tornadoes

Low pressure moved northeast through the Ohio Valley early on the morning of Monday, February 28. A cold front passed through the region, interacting with an airmass that was unseasonably warm and moist for late winter. This weather system produced widespread heavy rainfall and severe weather, as a squall line moved east through the forecast area.