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
Almost all river observations used in river forecasts are provided by partner agencies such as the US Geological Survey and the US Army Corps of Engineers. Use the links below to view/retrieve archived river data from the source agency.
US Geological Survey archived data
Click the state of interest, followed by the river gauge location. Then change the "begin date" and "end date" to select the period of interest.
US Army Corps of Engineers archived data
Click the region of interest, then select the river system via the drop-down menu. Then, click on the gauge location of interest.
Water Story