A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >
Lower Mississippi RFC
River Forecast Center
Forecasts of future precipitation are derived from weather models and from forecaster judgment. Although accuracy of precipitation forecasts can vary from weather system to weather system, such forecasts are important for river forecasts.
More national forecast precipitation options
Static images. Updates every 6-12hrs.
Forecast precipitation interactive maps
Gridded forecasts for future rainfall. Interactive maps with reduced functionality intended for mobile devices and tablets.
Water Story