Northwest River Forecast Center - Snow US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Northwest River Forecast Center (NWRFC) 5241 NE 122nd Avenue Portland, Oregon 97230-1089 Telephone: 503-326-7291 Email: nwrfc webmaster@noaa gov US Dept of Commerce | National Oceanic and Atmospheric Administration | NWS Organization (Offices and Centers)
NWRFC Climatological Forecasts Additional Assessments and Outlooks Climate Prediction Center - United States Hazards Outlook Climate Prediction Center - Seasonal Discussion Climate Prediction Center - Seasonal Forecasts Click on Image to Display Larger Plot
NWRFC General Office Information The NWRFC provides water managers water resource information throughout the year Forecasts of seasonal water supply are prepared monthly from January through June
Water Supply - Water Year Summary October 1, 2025 through December 9, 2025 Water Year Precipitation Table Percent normal comparisons based on 1991-2020 average