National Weather Service United States Department of Commerce

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Rainfall Variations During ENSO


RMI Seasonal Rainfall Variations During ENSO
(Values are % of normal)

El Nino Year (0) Year (+1)
Winter Spring Summer Fall Winter Spring Summer Fall
87% 112% 102% 100% 99% 74% 95% 105%
La Nina Year (0) Year (+1)
Winter Spring Summer Fall Winter Spring Summer Fall
85% 100% 100% 97% 95% 133% 109% 97%