An arctic air mass will continue over the Central and Southern U.S. producing widespread, record-breaking cold temperatures through Friday. An atmospheric river will impact the Pacific Northwest states over the weekend with heavy rain and high mountain snow. Read More >
Lower Mississippi RFC
River Forecast Center
Snow and ice accumulation does not impact river conditions right away but is instead stored at the soil's surface. During warmer periods, snow cover melts, which may cause river rises similar to that caused by rainfall. Snow cover is modeled to help improve river forecasts.
National Winter Weather Forecasts
Forecasts for snow and ice precipitation from the Weather Prediction Center
National Snow Analyses
Official snow cover analyses and forecasts for the U.S. from the National Operational Hydrologic Remote Sensing Center
Snow and Ice Climatology
Snow and ice information for the U.S. and the globe
