Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. 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