National Weather Service United States Department of Commerce

Multi-Day Winter Storm Across the Pacific Northwest

A multi-day winter storm will bring heavy snowfall through the weekend and heavy rain through early next week in the Pacific Northwest. The heaviest snow amounts are expected amongst the Cascades however, the heavy rainfall will impact areas along the coastal ranges of western Washington and Oregon. Winter storm warnings, advisories and flood watches are in effect. Read More >

NOTICE: Outside of our monsoon (thunderstorm) season, the threat of flash flooding across the area burn scars is minimal. If a significant flood threat is identified in our forecast, we will update the threat index.

Daily Flood Risk

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Burn Scar Daily Flood Risk Matrix

These risk levels are set in the morning, and will not be updated for ongoing weather. Remember, any thunderstorm over the area can cause flash flooding, even on low-risk days.

Daily Flood Risk Legend

None Minor Moderate Major Extreme


Potentially Impacted Areas

Flood Threat Area




Current Weather Hazards

Rainfall Chances

Standard Point and Click Forecast or Forecast Table (beta)

Day 1 Chances of Precipitation
Day 1 Chances of Rainfall
Day 2 Chances of Precipitation
Day 2 Chances of Rainfall
Day 3 Chances of Precipitation
Day 3 Chances of Rainfall