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 >

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Overview

Periods of moderate to heavy rainfall are expected through tomorrow evening. Flash flooding and debris flows will be possible, especially over burn scars, mountainous terrain, saturated soils, and narrow canyons. Prolonged periods of light to moderate rain are expected in the interim. An additional 0.5 to 2 inches of rain is expected. Additionally, strong to severe thunderstorms are possible, most likely across the Four Corners area, which could lead to even heavier rain rates, hail, and damaging winds.

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

Significant Rainfall Expected Through Thursday Night

Please see the map below for more information. If the map is not working, please go to detailed hazard viewer for the latest watches and warnings in effect.