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The Weather Channel

Powerful atmospheric river to impact Northwest this week

The Weather Channel · New
The Weather Channel
The Weather Channel
New

A powerful atmospheric river will slam the Pacific Northwest this week, bringing rounds of heavy rain and mountain snow beginning Sunday. Flood watches are in effect for lower elevations and along the coast of the Pacific Northwest, where the highest totals could reach 12 inches. For the mountains, feet of snowfall is expected.

Breakdown
  • Atmospheric rivers are ranked from one to five in severity
  • Washington and Oregon to see category five conditions with hazardous wind and rain 6s
  • Up to a foot of rain possible in coastal and Cascade areas 38s
  • Significant snowfall expected, causing travel hazards in mountain passes 45s
  • Flooding risk highest along Interstate 5 corridor from Monday through Tuesday 1m 20s