National Weather Service United States Department of Commerce

Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

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Flooding Rain Threat Potential Impacts From Flooding Rains

EXTREME

Potential for extreme rainfall flooding

DEVASTATING TO CATASTROPHIC

To be safe, aggressively prepare for the potential of devastating to catastrophic flooding impacts where peak rainfall totals vastly exceed amounts conducive for flash flooding and/or rapid inundation.  

HIGH

Potential for major rainfall flooding

EXTENSIVE

To be safe, aggressively prepare for the potential of extensive flooding impacts where peak rainfall totals well exceed amounts conducive for flash flooding and/or rapid inundation.    

MODERATE

Potential for moderate flooding

SIGNIFICANT

To be safe, earnestly prepare for the potential of significant flooding impacts where peak rainfall totals notably exceed amounts conducive for flash flooding and/or rapid inundation.   

ELEVATED

Potential for some rainfall flooding

LIMITED

To be safe, prepare for the potential of limited flooding impacts where peak rainfall totals are near amounts conducive for flash flooding and/or rapid inundation.  

LITTLE TO NONE 

Little to no rainfall flooding anticipated

LITTLE TO NONE

No immediate preparations needed to guard against excessive tropical rainfall.