Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >
Portland, OR
Weather Forecast Office
Latest Water Supply Outlook for Oregon (PDF)
(summary of precipitation, snowpack, reservoirs, water supply forecasts, and peak flow forecasts)
Latest Drought Information Statement for NW Oregon & SW Washington (PDF)
(summary of precipitation, temperatures, streamflow, reservoirs, and drought impacts)
Water Supply Forecasts:
Columbia Basin Water Supply (NOAA/NWS Northwest River Forecast Center)
Water Supply Products (USDA/NRCS Nat'l Water and Climate Center)
Precipitation:
Seasonal Precipitation Map for the PacNW (NOAA/NWS Northwest River Forecast Center)
SNOTEL Precipitation Reports (USDA/NRCS Nat'l Water and Climate Center)
Snowpack:
Interactive Maps of Snow Data (NOAA/NWS Remote Sensing Center)
Snow Conditions for the PacNW (NOAA/NWS Northwest River Forecast Center)
Western U.S. Snowpack Products (USDA/NRCS Nat'l Water and Climate Center)
Oregon SNOTEL Data (USDA/NRCS Nat'l Water and Climate Center)
Reservoirs:
Tea-Cup Diagram for Lower Columbia Dams
Tea-Cup Diagram for Willamette Valley USACE Reservoirs
Tea-Cup Diagram for SW Oregon USACE Reservoirs
Tea-Cup Diagram for PacNW Reservoirs (US Bureau of Reclamation)
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Portland, OR
5241 NE 122nd Avenue
Portland, OR 97230-1089
(503) 261-9246
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