National Weather Service United States Department of Commerce

Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Water Supply Forecasts and Information for Oregon and the Pacific Northwest

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)