A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. 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
Water Story