Latest Water Supply Outlook for Oregon (PDF document) (summary of precipitation, snowpack, reservoirs, water supply forecasts, and peak flow forecasts)
Water Supply Forecasts:
Western U.S. Water Supply (NOAA/National Weather Service) Columbia Basin Water Supply (NOAA/NWS Northwest River Forecast Center) Water Supply Products (USDA/NRCS Nat'l Water and Climate Center) State Basin Outlook Reports (USDA/NRCS)
Precipitation:
Maps for the current water year of Monthly Precipitation and Hydrologic Activity Northwest Oregon & Southwest Washington Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep Seasonal Precipitation Map for the PacNW (NOAA/NWS Northwest River Forecast Center) Weekly and Monthly Precipitation Summaries (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)
Webmaster US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Portland Weather Forecast Office 5241 NE 122nd Avenue Portland, OR 97230-1089 Tel: (503) 261-9246